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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 22:20:36 (GMT)
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 22:20:36 (GMT)
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /arch/ppc64/boot
downloadlinux-1da177e4c3f41524e886b7f1b8a0c1fc7321cac2.tar.xz
Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'arch/ppc64/boot')
-rw-r--r--arch/ppc64/boot/Makefile117
-rw-r--r--arch/ppc64/boot/README11
-rw-r--r--arch/ppc64/boot/addRamDisk.c300
-rw-r--r--arch/ppc64/boot/addnote.c165
-rw-r--r--arch/ppc64/boot/crt0.S48
-rw-r--r--arch/ppc64/boot/div64.S58
-rw-r--r--arch/ppc64/boot/install.sh42
-rw-r--r--arch/ppc64/boot/main.c331
-rw-r--r--arch/ppc64/boot/mknote.c43
-rw-r--r--arch/ppc64/boot/piggyback.c83
-rw-r--r--arch/ppc64/boot/ppc32-types.h36
-rw-r--r--arch/ppc64/boot/prom.c637
-rw-r--r--arch/ppc64/boot/start.c654
-rw-r--r--arch/ppc64/boot/string.S216
-rw-r--r--arch/ppc64/boot/zImage.lds90
-rw-r--r--arch/ppc64/boot/zlib.c2194
-rw-r--r--arch/ppc64/boot/zlib.h432
17 files changed, 5457 insertions, 0 deletions
diff --git a/arch/ppc64/boot/Makefile b/arch/ppc64/boot/Makefile
new file mode 100644
index 0000000..d3e1d6a
--- /dev/null
+++ b/arch/ppc64/boot/Makefile
@@ -0,0 +1,117 @@
+# Makefile for making ELF bootable images for booting on CHRP
+# using Open Firmware.
+#
+# Geert Uytterhoeven September 1997
+#
+# Based on coffboot by Paul Mackerras
+# Simplified for ppc64 by Todd Inglett
+#
+# NOTE: this code is built for 32 bit in ELF32 format even though
+# it packages a 64 bit kernel. We do this to simplify the
+# bootloader and increase compatibility with OpenFirmware.
+#
+# To this end we need to define BOOTCC, etc, as the tools
+# needed to build the 32 bit image. These are normally HOSTCC,
+# but may be a third compiler if, for example, you are cross
+# compiling from an intel box. Once the 64bit ppc gcc is
+# stable it will probably simply be a compiler switch to
+# compile for 32bit mode.
+# To make it easier to setup a cross compiler,
+# CROSS32_COMPILE is setup as a prefix just like CROSS_COMPILE
+# in the toplevel makefile.
+
+
+HOSTCC := gcc
+BOOTCFLAGS := $(HOSTCFLAGS) $(LINUXINCLUDE) -fno-builtin
+BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional
+BOOTLFLAGS := -Ttext 0x00400000 -e _start -T $(srctree)/$(src)/zImage.lds
+OBJCOPYFLAGS := contents,alloc,load,readonly,data
+
+src-boot := crt0.S string.S prom.c main.c zlib.c imagesize.c div64.S
+src-boot := $(addprefix $(obj)/, $(src-boot))
+obj-boot := $(addsuffix .o, $(basename $(src-boot)))
+
+quiet_cmd_bootcc = BOOTCC $@
+ cmd_bootcc = $(CROSS32CC) -Wp,-MD,$(depfile) $(BOOTCFLAGS) -c -o $@ $<
+
+quiet_cmd_bootas = BOOTAS $@
+ cmd_bootas = $(CROSS32CC) -Wp,-MD,$(depfile) $(BOOTAFLAGS) -c -o $@ $<
+
+$(patsubst %.c,%.o, $(filter %.c, $(src-boot))): %.o: %.c
+ $(call if_changed_dep,bootcc)
+$(patsubst %.S,%.o, $(filter %.S, $(src-boot))): %.o: %.S
+ $(call if_changed_dep,bootas)
+
+#-----------------------------------------------------------
+# ELF sections within the zImage bootloader/wrapper
+#-----------------------------------------------------------
+required := vmlinux.strip
+initrd := initrd
+
+obj-sec = $(foreach section, $(1), $(patsubst %,$(obj)/kernel-%.o, $(section)))
+src-sec = $(foreach section, $(1), $(patsubst %,$(obj)/kernel-%.c, $(section)))
+gz-sec = $(foreach section, $(1), $(patsubst %,$(obj)/kernel-%.gz, $(section)))
+
+hostprogs-y := piggy addnote addRamDisk
+targets += zImage zImage.initrd imagesize.c \
+ $(patsubst $(obj)/%,%, $(call obj-sec, $(required) $(initrd))) \
+ $(patsubst $(obj)/%,%, $(call src-sec, $(required) $(initrd))) \
+ $(patsubst $(obj)/%,%, $(call gz-sec, $(required) $(initrd))) \
+ vmlinux.initrd
+extra-y := initrd.o
+
+quiet_cmd_ramdisk = RAMDISK $@
+ cmd_ramdisk = $(obj)/addRamDisk $(obj)/ramdisk.image.gz $< $@
+
+quiet_cmd_stripvm = STRIP $@
+ cmd_stripvm = $(STRIP) -s $< -o $@
+
+vmlinux.strip: vmlinux FORCE
+ $(call if_changed,stripvm)
+$(obj)/vmlinux.initrd: vmlinux.strip $(obj)/addRamDisk $(obj)/ramdisk.image.gz FORCE
+ $(call if_changed,ramdisk)
+
+addsection = $(CROSS32OBJCOPY) $(1) \
+ --add-section=.kernel:$(strip $(patsubst $(obj)/kernel-%.o,%, $(1)))=$(patsubst %.o,%.gz, $(1)) \
+ --set-section-flags=.kernel:$(strip $(patsubst $(obj)/kernel-%.o,%, $(1)))=$(OBJCOPYFLAGS)
+
+quiet_cmd_addnote = ADDNOTE $@
+ cmd_addnote = $(CROSS32LD) $(BOOTLFLAGS) -o $@ $(obj-boot) && $(obj)/addnote $@
+
+quiet_cmd_piggy = PIGGY $@
+ cmd_piggy = $(obj)/piggyback $(@:.o=) < $< | $(CROSS32AS) -o $@
+
+$(call gz-sec, $(required)): $(obj)/kernel-%.gz: % FORCE
+ $(call if_changed,gzip)
+
+$(obj)/kernel-initrd.gz: $(obj)/ramdisk.image.gz
+ cp -f $(obj)/ramdisk.image.gz $@
+
+$(call src-sec, $(required) $(initrd)): $(obj)/kernel-%.c: $(obj)/kernel-%.gz FORCE
+ touch $@
+
+$(call obj-sec, $(required) $(initrd)): $(obj)/kernel-%.o: $(obj)/kernel-%.c FORCE
+ $(call if_changed_dep,bootcc)
+ $(call addsection, $@)
+
+$(obj)/zImage: obj-boot += $(call obj-sec, $(required))
+$(obj)/zImage: $(call obj-sec, $(required)) $(obj-boot) $(obj)/addnote FORCE
+ $(call if_changed,addnote)
+
+$(obj)/zImage.initrd: obj-boot += $(call obj-sec, $(required) $(initrd))
+$(obj)/zImage.initrd: $(call obj-sec, $(required) $(initrd)) $(obj-boot) $(obj)/addnote FORCE
+ $(call if_changed,addnote)
+
+$(obj)/imagesize.c: vmlinux.strip
+ @echo Generating $@
+ ls -l vmlinux.strip | \
+ awk '{printf "/* generated -- do not edit! */\n" \
+ "unsigned long vmlinux_filesize = %d;\n", $$5}' > $(obj)/imagesize.c
+ $(CROSS_COMPILE)nm -n vmlinux | tail -n 1 | \
+ awk '{printf "unsigned long vmlinux_memsize = 0x%s;\n", substr($$1,8)}' \
+ >> $(obj)/imagesize.c
+
+install: $(CONFIGURE) $(BOOTIMAGE)
+ sh -x $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" vmlinux System.map "$(INSTALL_PATH)" "$(BOOTIMAGE)"
+
+clean-files := $(addprefix $(objtree)/, $(obj-boot) vmlinux.strip)
diff --git a/arch/ppc64/boot/README b/arch/ppc64/boot/README
new file mode 100644
index 0000000..3e11058
--- /dev/null
+++ b/arch/ppc64/boot/README
@@ -0,0 +1,11 @@
+
+To extract the kernel vmlinux, System.map, .config or initrd from the zImage binary:
+
+objcopy -j .kernel:vmlinux -O binary zImage vmlinux.gz
+objcopy -j .kernel:System.map -O binary zImage System.map.gz
+objcopy -j .kernel:.config -O binary zImage config.gz
+objcopy -j .kernel:initrd -O binary zImage.initrd initrd.gz
+
+
+ Peter
+
diff --git a/arch/ppc64/boot/addRamDisk.c b/arch/ppc64/boot/addRamDisk.c
new file mode 100644
index 0000000..7f2c094
--- /dev/null
+++ b/arch/ppc64/boot/addRamDisk.c
@@ -0,0 +1,300 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <netinet/in.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <string.h>
+
+#define ElfHeaderSize (64 * 1024)
+#define ElfPages (ElfHeaderSize / 4096)
+#define KERNELBASE (0xc000000000000000)
+
+void get4k(FILE *file, char *buf )
+{
+ unsigned j;
+ unsigned num = fread(buf, 1, 4096, file);
+ for ( j=num; j<4096; ++j )
+ buf[j] = 0;
+}
+
+void put4k(FILE *file, char *buf )
+{
+ fwrite(buf, 1, 4096, file);
+}
+
+void death(const char *msg, FILE *fdesc, const char *fname)
+{
+ fprintf(stderr, msg);
+ fclose(fdesc);
+ unlink(fname);
+ exit(1);
+}
+
+int main(int argc, char **argv)
+{
+ char inbuf[4096];
+ FILE *ramDisk = NULL;
+ FILE *sysmap = NULL;
+ FILE *inputVmlinux = NULL;
+ FILE *outputVmlinux = NULL;
+
+ unsigned i = 0;
+ unsigned long ramFileLen = 0;
+ unsigned long ramLen = 0;
+ unsigned long roundR = 0;
+
+ unsigned long sysmapFileLen = 0;
+ unsigned long sysmapLen = 0;
+ unsigned long sysmapPages = 0;
+ char* ptr_end = NULL;
+ unsigned long offset_end = 0;
+
+ unsigned long kernelLen = 0;
+ unsigned long actualKernelLen = 0;
+ unsigned long round = 0;
+ unsigned long roundedKernelLen = 0;
+ unsigned long ramStartOffs = 0;
+ unsigned long ramPages = 0;
+ unsigned long roundedKernelPages = 0;
+ unsigned long hvReleaseData = 0;
+ u_int32_t eyeCatcher = 0xc8a5d9c4;
+ unsigned long naca = 0;
+ unsigned long xRamDisk = 0;
+ unsigned long xRamDiskSize = 0;
+ long padPages = 0;
+
+
+ if (argc < 2) {
+ fprintf(stderr, "Name of RAM disk file missing.\n");
+ exit(1);
+ }
+
+ if (argc < 3) {
+ fprintf(stderr, "Name of System Map input file is missing.\n");
+ exit(1);
+ }
+
+ if (argc < 4) {
+ fprintf(stderr, "Name of vmlinux file missing.\n");
+ exit(1);
+ }
+
+ if (argc < 5) {
+ fprintf(stderr, "Name of vmlinux output file missing.\n");
+ exit(1);
+ }
+
+
+ ramDisk = fopen(argv[1], "r");
+ if ( ! ramDisk ) {
+ fprintf(stderr, "RAM disk file \"%s\" failed to open.\n", argv[1]);
+ exit(1);
+ }
+
+ sysmap = fopen(argv[2], "r");
+ if ( ! sysmap ) {
+ fprintf(stderr, "System Map file \"%s\" failed to open.\n", argv[2]);
+ exit(1);
+ }
+
+ inputVmlinux = fopen(argv[3], "r");
+ if ( ! inputVmlinux ) {
+ fprintf(stderr, "vmlinux file \"%s\" failed to open.\n", argv[3]);
+ exit(1);
+ }
+
+ outputVmlinux = fopen(argv[4], "w+");
+ if ( ! outputVmlinux ) {
+ fprintf(stderr, "output vmlinux file \"%s\" failed to open.\n", argv[4]);
+ exit(1);
+ }
+
+
+
+ /* Input Vmlinux file */
+ fseek(inputVmlinux, 0, SEEK_END);
+ kernelLen = ftell(inputVmlinux);
+ fseek(inputVmlinux, 0, SEEK_SET);
+ printf("kernel file size = %d\n", kernelLen);
+ if ( kernelLen == 0 ) {
+ fprintf(stderr, "You must have a linux kernel specified as argv[3]\n");
+ exit(1);
+ }
+
+ actualKernelLen = kernelLen - ElfHeaderSize;
+
+ printf("actual kernel length (minus ELF header) = %d\n", actualKernelLen);
+
+ round = actualKernelLen % 4096;
+ roundedKernelLen = actualKernelLen;
+ if ( round )
+ roundedKernelLen += (4096 - round);
+ printf("Vmlinux length rounded up to a 4k multiple = %ld/0x%lx \n", roundedKernelLen, roundedKernelLen);
+ roundedKernelPages = roundedKernelLen / 4096;
+ printf("Vmlinux pages to copy = %ld/0x%lx \n", roundedKernelPages, roundedKernelPages);
+
+
+
+ /* Input System Map file */
+ /* (needs to be processed simply to determine if we need to add pad pages due to the static variables not being included in the vmlinux) */
+ fseek(sysmap, 0, SEEK_END);
+ sysmapFileLen = ftell(sysmap);
+ fseek(sysmap, 0, SEEK_SET);
+ printf("%s file size = %ld/0x%lx \n", argv[2], sysmapFileLen, sysmapFileLen);
+
+ sysmapLen = sysmapFileLen;
+
+ roundR = 4096 - (sysmapLen % 4096);
+ if (roundR) {
+ printf("Rounding System Map file up to a multiple of 4096, adding %ld/0x%lx \n", roundR, roundR);
+ sysmapLen += roundR;
+ }
+ printf("Rounded System Map size is %ld/0x%lx \n", sysmapLen, sysmapLen);
+
+ /* Process the Sysmap file to determine where _end is */
+ sysmapPages = sysmapLen / 4096;
+ /* read the whole file line by line, expect that it doesn't fail */
+ while ( fgets(inbuf, 4096, sysmap) ) ;
+ /* search for _end in the last page of the system map */
+ ptr_end = strstr(inbuf, " _end");
+ if (!ptr_end) {
+ fprintf(stderr, "Unable to find _end in the sysmap file \n");
+ fprintf(stderr, "inbuf: \n");
+ fprintf(stderr, "%s \n", inbuf);
+ exit(1);
+ }
+ printf("Found _end in the last page of the sysmap - backing up 10 characters it looks like %s", ptr_end-10);
+ /* convert address of _end in system map to hex offset. */
+ offset_end = (unsigned int)strtol(ptr_end-10, NULL, 16);
+ /* calc how many pages we need to insert between the vmlinux and the start of the ram disk */
+ padPages = offset_end/4096 - roundedKernelPages;
+
+ /* Check and see if the vmlinux is already larger than _end in System.map */
+ if (padPages < 0) {
+ /* vmlinux is larger than _end - adjust the offset to the start of the embedded ram disk */
+ offset_end = roundedKernelLen;
+ printf("vmlinux is larger than _end indicates it needs to be - offset_end = %lx \n", offset_end);
+ padPages = 0;
+ printf("will insert %lx pages between the vmlinux and the start of the ram disk \n", padPages);
+ }
+ else {
+ /* _end is larger than vmlinux - use the offset to _end that we calculated from the system map */
+ printf("vmlinux is smaller than _end indicates is needed - offset_end = %lx \n", offset_end);
+ printf("will insert %lx pages between the vmlinux and the start of the ram disk \n", padPages);
+ }
+
+
+
+ /* Input Ram Disk file */
+ // Set the offset that the ram disk will be started at.
+ ramStartOffs = offset_end; /* determined from the input vmlinux file and the system map */
+ printf("Ram Disk will start at offset = 0x%lx \n", ramStartOffs);
+
+ fseek(ramDisk, 0, SEEK_END);
+ ramFileLen = ftell(ramDisk);
+ fseek(ramDisk, 0, SEEK_SET);
+ printf("%s file size = %ld/0x%lx \n", argv[1], ramFileLen, ramFileLen);
+
+ ramLen = ramFileLen;
+
+ roundR = 4096 - (ramLen % 4096);
+ if ( roundR ) {
+ printf("Rounding RAM disk file up to a multiple of 4096, adding %ld/0x%lx \n", roundR, roundR);
+ ramLen += roundR;
+ }
+
+ printf("Rounded RAM disk size is %ld/0x%lx \n", ramLen, ramLen);
+ ramPages = ramLen / 4096;
+ printf("RAM disk pages to copy = %ld/0x%lx\n", ramPages, ramPages);
+
+
+
+ // Copy 64K ELF header
+ for (i=0; i<(ElfPages); ++i) {
+ get4k( inputVmlinux, inbuf );
+ put4k( outputVmlinux, inbuf );
+ }
+
+ /* Copy the vmlinux (as full pages). */
+ fseek(inputVmlinux, ElfHeaderSize, SEEK_SET);
+ for ( i=0; i<roundedKernelPages; ++i ) {
+ get4k( inputVmlinux, inbuf );
+ put4k( outputVmlinux, inbuf );
+ }
+
+ /* Insert pad pages (if appropriate) that are needed between */
+ /* | the end of the vmlinux and the ram disk. */
+ for (i=0; i<padPages; ++i) {
+ memset(inbuf, 0, 4096);
+ put4k(outputVmlinux, inbuf);
+ }
+
+ /* Copy the ram disk (as full pages). */
+ for ( i=0; i<ramPages; ++i ) {
+ get4k( ramDisk, inbuf );
+ put4k( outputVmlinux, inbuf );
+ }
+
+ /* Close the input files */
+ fclose(ramDisk);
+ fclose(inputVmlinux);
+ /* And flush the written output file */
+ fflush(outputVmlinux);
+
+
+
+ /* Fixup the new vmlinux to contain the ram disk starting offset (xRamDisk) and the ram disk size (xRamDiskSize) */
+ /* fseek to the hvReleaseData pointer */
+ fseek(outputVmlinux, ElfHeaderSize + 0x24, SEEK_SET);
+ if (fread(&hvReleaseData, 4, 1, outputVmlinux) != 1) {
+ death("Could not read hvReleaseData pointer\n", outputVmlinux, argv[4]);
+ }
+ hvReleaseData = ntohl(hvReleaseData); /* Convert to native int */
+ printf("hvReleaseData is at %08x\n", hvReleaseData);
+
+ /* fseek to the hvReleaseData */
+ fseek(outputVmlinux, ElfHeaderSize + hvReleaseData, SEEK_SET);
+ if (fread(inbuf, 0x40, 1, outputVmlinux) != 1) {
+ death("Could not read hvReleaseData\n", outputVmlinux, argv[4]);
+ }
+ /* Check hvReleaseData sanity */
+ if (memcmp(inbuf, &eyeCatcher, 4) != 0) {
+ death("hvReleaseData is invalid\n", outputVmlinux, argv[4]);
+ }
+ /* Get the naca pointer */
+ naca = ntohl(*((u_int32_t*) &inbuf[0x0C])) - KERNELBASE;
+ printf("Naca is at offset 0x%lx \n", naca);
+
+ /* fseek to the naca */
+ fseek(outputVmlinux, ElfHeaderSize + naca, SEEK_SET);
+ if (fread(inbuf, 0x18, 1, outputVmlinux) != 1) {
+ death("Could not read naca\n", outputVmlinux, argv[4]);
+ }
+ xRamDisk = ntohl(*((u_int32_t *) &inbuf[0x0c]));
+ xRamDiskSize = ntohl(*((u_int32_t *) &inbuf[0x14]));
+ /* Make sure a RAM disk isn't already present */
+ if ((xRamDisk != 0) || (xRamDiskSize != 0)) {
+ death("RAM disk is already attached to this kernel\n", outputVmlinux, argv[4]);
+ }
+ /* Fill in the values */
+ *((u_int32_t *) &inbuf[0x0c]) = htonl(ramStartOffs);
+ *((u_int32_t *) &inbuf[0x14]) = htonl(ramPages);
+
+ /* Write out the new naca */
+ fflush(outputVmlinux);
+ fseek(outputVmlinux, ElfHeaderSize + naca, SEEK_SET);
+ if (fwrite(inbuf, 0x18, 1, outputVmlinux) != 1) {
+ death("Could not write naca\n", outputVmlinux, argv[4]);
+ }
+ printf("Ram Disk of 0x%lx pages is attached to the kernel at offset 0x%08x\n",
+ ramPages, ramStartOffs);
+
+ /* Done */
+ fclose(outputVmlinux);
+ /* Set permission to executable */
+ chmod(argv[4], S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH);
+
+ return 0;
+}
+
diff --git a/arch/ppc64/boot/addnote.c b/arch/ppc64/boot/addnote.c
new file mode 100644
index 0000000..66ff810
--- /dev/null
+++ b/arch/ppc64/boot/addnote.c
@@ -0,0 +1,165 @@
+/*
+ * Program to hack in a PT_NOTE program header entry in an ELF file.
+ * This is needed for OF on RS/6000s to load an image correctly.
+ * Note that OF needs a program header entry for the note, not an
+ * ELF section.
+ *
+ * Copyright 2000 Paul Mackerras.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * Usage: addnote zImage
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+
+char arch[] = "PowerPC";
+
+#define N_DESCR 6
+unsigned int descr[N_DESCR] = {
+ 0xffffffff, /* real-mode = true */
+ 0x00c00000, /* real-base, i.e. where we expect OF to be */
+ 0xffffffff, /* real-size */
+ 0xffffffff, /* virt-base */
+ 0xffffffff, /* virt-size */
+ 0x4000, /* load-base */
+};
+
+unsigned char buf[512];
+
+#define GET_16BE(off) ((buf[off] << 8) + (buf[(off)+1]))
+#define GET_32BE(off) ((GET_16BE(off) << 16) + GET_16BE((off)+2))
+
+#define PUT_16BE(off, v) (buf[off] = ((v) >> 8) & 0xff, \
+ buf[(off) + 1] = (v) & 0xff)
+#define PUT_32BE(off, v) (PUT_16BE((off), (v) >> 16), \
+ PUT_16BE((off) + 2, (v)))
+
+/* Structure of an ELF file */
+#define E_IDENT 0 /* ELF header */
+#define E_PHOFF 28
+#define E_PHENTSIZE 42
+#define E_PHNUM 44
+#define E_HSIZE 52 /* size of ELF header */
+
+#define EI_MAGIC 0 /* offsets in E_IDENT area */
+#define EI_CLASS 4
+#define EI_DATA 5
+
+#define PH_TYPE 0 /* ELF program header */
+#define PH_OFFSET 4
+#define PH_FILESZ 16
+#define PH_HSIZE 32 /* size of program header */
+
+#define PT_NOTE 4 /* Program header type = note */
+
+#define ELFCLASS32 1
+#define ELFDATA2MSB 2
+
+unsigned char elf_magic[4] = { 0x7f, 'E', 'L', 'F' };
+
+int
+main(int ac, char **av)
+{
+ int fd, n, i;
+ int ph, ps, np;
+ int nnote, ns;
+
+ if (ac != 2) {
+ fprintf(stderr, "Usage: %s elf-file\n", av[0]);
+ exit(1);
+ }
+ fd = open(av[1], O_RDWR);
+ if (fd < 0) {
+ perror(av[1]);
+ exit(1);
+ }
+
+ nnote = strlen(arch) + 1 + (N_DESCR + 3) * 4;
+
+ n = read(fd, buf, sizeof(buf));
+ if (n < 0) {
+ perror("read");
+ exit(1);
+ }
+
+ if (n < E_HSIZE || memcmp(&buf[E_IDENT+EI_MAGIC], elf_magic, 4) != 0)
+ goto notelf;
+
+ if (buf[E_IDENT+EI_CLASS] != ELFCLASS32
+ || buf[E_IDENT+EI_DATA] != ELFDATA2MSB) {
+ fprintf(stderr, "%s is not a big-endian 32-bit ELF image\n",
+ av[1]);
+ exit(1);
+ }
+
+ ph = GET_32BE(E_PHOFF);
+ ps = GET_16BE(E_PHENTSIZE);
+ np = GET_16BE(E_PHNUM);
+ if (ph < E_HSIZE || ps < PH_HSIZE || np < 1)
+ goto notelf;
+ if (ph + (np + 1) * ps + nnote > n)
+ goto nospace;
+
+ for (i = 0; i < np; ++i) {
+ if (GET_32BE(ph + PH_TYPE) == PT_NOTE) {
+ fprintf(stderr, "%s already has a note entry\n",
+ av[1]);
+ exit(0);
+ }
+ ph += ps;
+ }
+
+ /* XXX check that the area we want to use is all zeroes */
+ for (i = 0; i < ps + nnote; ++i)
+ if (buf[ph + i] != 0)
+ goto nospace;
+
+ /* fill in the program header entry */
+ ns = ph + ps;
+ PUT_32BE(ph + PH_TYPE, PT_NOTE);
+ PUT_32BE(ph + PH_OFFSET, ns);
+ PUT_32BE(ph + PH_FILESZ, nnote);
+
+ /* fill in the note area we point to */
+ /* XXX we should probably make this a proper section */
+ PUT_32BE(ns, strlen(arch) + 1);
+ PUT_32BE(ns + 4, N_DESCR * 4);
+ PUT_32BE(ns + 8, 0x1275);
+ strcpy(&buf[ns + 12], arch);
+ ns += 12 + strlen(arch) + 1;
+ for (i = 0; i < N_DESCR; ++i)
+ PUT_32BE(ns + i * 4, descr[i]);
+
+ /* Update the number of program headers */
+ PUT_16BE(E_PHNUM, np + 1);
+
+ /* write back */
+ lseek(fd, (long) 0, SEEK_SET);
+ i = write(fd, buf, n);
+ if (i < 0) {
+ perror("write");
+ exit(1);
+ }
+ if (i < n) {
+ fprintf(stderr, "%s: write truncated\n", av[1]);
+ exit(1);
+ }
+
+ exit(0);
+
+ notelf:
+ fprintf(stderr, "%s does not appear to be an ELF file\n", av[0]);
+ exit(1);
+
+ nospace:
+ fprintf(stderr, "sorry, I can't find space in %s to put the note\n",
+ av[0]);
+ exit(1);
+}
diff --git a/arch/ppc64/boot/crt0.S b/arch/ppc64/boot/crt0.S
new file mode 100644
index 0000000..04d3e74
--- /dev/null
+++ b/arch/ppc64/boot/crt0.S
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) Paul Mackerras 1997.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * NOTE: this code runs in 32 bit mode and is packaged as ELF32.
+ */
+
+#include <asm/ppc_asm.h>
+
+ .text
+ .globl _start
+_start:
+ lis r9,_start@h
+ lis r8,_etext@ha
+ addi r8,r8,_etext@l
+1: dcbf r0,r9
+ icbi r0,r9
+ addi r9,r9,0x20
+ cmplwi 0,r9,8
+ blt 1b
+ sync
+ isync
+
+ ## Clear out the BSS as per ANSI C requirements
+
+ lis r7,_end@ha
+ addi r7,r7,_end@l # r7 = &_end
+ lis r8,__bss_start@ha #
+ addi r8,r8,__bss_start@l # r8 = &_bss_start
+
+ ## Determine how large an area, in number of words, to clear
+
+ subf r7,r8,r7 # r7 = &_end - &_bss_start + 1
+ addi r7,r7,3 # r7 += 3
+ srwi. r7,r7,2 # r7 = size in words.
+ beq 3f # If the size is zero, don't bother
+ addi r8,r8,-4 # r8 -= 4
+ mtctr r7 # SPRN_CTR = number of words to clear
+ li r0,0 # r0 = 0
+2: stwu r0,4(r8) # Clear out a word
+ bdnz 2b # Keep clearing until done
+3:
+ b start
+
diff --git a/arch/ppc64/boot/div64.S b/arch/ppc64/boot/div64.S
new file mode 100644
index 0000000..38f7e46
--- /dev/null
+++ b/arch/ppc64/boot/div64.S
@@ -0,0 +1,58 @@
+/*
+ * Divide a 64-bit unsigned number by a 32-bit unsigned number.
+ * This routine assumes that the top 32 bits of the dividend are
+ * non-zero to start with.
+ * On entry, r3 points to the dividend, which get overwritten with
+ * the 64-bit quotient, and r4 contains the divisor.
+ * On exit, r3 contains the remainder.
+ *
+ * Copyright (C) 2002 Paul Mackerras, IBM Corp.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#include <asm/ppc_asm.h>
+
+ .globl __div64_32
+__div64_32:
+ lwz r5,0(r3) # get the dividend into r5/r6
+ lwz r6,4(r3)
+ cmplw r5,r4
+ li r7,0
+ li r8,0
+ blt 1f
+ divwu r7,r5,r4 # if dividend.hi >= divisor,
+ mullw r0,r7,r4 # quotient.hi = dividend.hi / divisor
+ subf. r5,r0,r5 # dividend.hi %= divisor
+ beq 3f
+1: mr r11,r5 # here dividend.hi != 0
+ andis. r0,r5,0xc000
+ bne 2f
+ cntlzw r0,r5 # we are shifting the dividend right
+ li r10,-1 # to make it < 2^32, and shifting
+ srw r10,r10,r0 # the divisor right the same amount,
+ add r9,r4,r10 # rounding up (so the estimate cannot
+ andc r11,r6,r10 # ever be too large, only too small)
+ andc r9,r9,r10
+ or r11,r5,r11
+ rotlw r9,r9,r0
+ rotlw r11,r11,r0
+ divwu r11,r11,r9 # then we divide the shifted quantities
+2: mullw r10,r11,r4 # to get an estimate of the quotient,
+ mulhwu r9,r11,r4 # multiply the estimate by the divisor,
+ subfc r6,r10,r6 # take the product from the divisor,
+ add r8,r8,r11 # and add the estimate to the accumulated
+ subfe. r5,r9,r5 # quotient
+ bne 1b
+3: cmplw r6,r4
+ blt 4f
+ divwu r0,r6,r4 # perform the remaining 32-bit division
+ mullw r10,r0,r4 # and get the remainder
+ add r8,r8,r0
+ subf r6,r10,r6
+4: stw r7,0(r3) # return the quotient in *r3
+ stw r8,4(r3)
+ mr r3,r6 # return the remainder in r3
+ blr
diff --git a/arch/ppc64/boot/install.sh b/arch/ppc64/boot/install.sh
new file mode 100644
index 0000000..955c568
--- /dev/null
+++ b/arch/ppc64/boot/install.sh
@@ -0,0 +1,42 @@
+#!/bin/sh
+#
+# arch/ppc64/boot/install.sh
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License. See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+# Copyright (C) 1995 by Linus Torvalds
+#
+# Blatantly stolen from in arch/i386/boot/install.sh by Dave Hansen
+#
+# "make install" script for ppc64 architecture
+#
+# Arguments:
+# $1 - kernel version
+# $2 - kernel image file
+# $3 - kernel map file
+# $4 - default install path (blank if root directory)
+# $5 - kernel boot file, the zImage
+#
+
+# User may have a custom install script
+
+if [ -x ~/bin/installkernel ]; then exec ~/bin/installkernel "$@"; fi
+if [ -x /sbin/installkernel ]; then exec /sbin/installkernel "$@"; fi
+
+# Default install
+
+# this should work for both the pSeries zImage and the iSeries vmlinux.sm
+image_name=`basename $5`
+
+if [ -f $4/$image_name ]; then
+ mv $4/$image_name $4/$image_name.old
+fi
+
+if [ -f $4/System.map ]; then
+ mv $4/System.map $4/System.old
+fi
+
+cat $2 > $4/$image_name
+cp $3 $4/System.map
diff --git a/arch/ppc64/boot/main.c b/arch/ppc64/boot/main.c
new file mode 100644
index 0000000..b0fa86a
--- /dev/null
+++ b/arch/ppc64/boot/main.c
@@ -0,0 +1,331 @@
+/*
+ * Copyright (C) Paul Mackerras 1997.
+ *
+ * Updates for PPC64 by Todd Inglett, Dave Engebretsen & Peter Bergner.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#include "ppc32-types.h"
+#include "zlib.h"
+#include <linux/elf.h>
+#include <linux/string.h>
+#include <asm/processor.h>
+#include <asm/page.h>
+#include <asm/bootinfo.h>
+
+extern void *finddevice(const char *);
+extern int getprop(void *, const char *, void *, int);
+extern void printk(char *fmt, ...);
+extern void printf(const char *fmt, ...);
+extern int sprintf(char *buf, const char *fmt, ...);
+void gunzip(void *, int, unsigned char *, int *);
+void *claim(unsigned int, unsigned int, unsigned int);
+void flush_cache(void *, unsigned long);
+void pause(void);
+extern void exit(void);
+
+unsigned long strlen(const char *s);
+void *memmove(void *dest, const void *src, unsigned long n);
+void *memcpy(void *dest, const void *src, unsigned long n);
+
+/* Value picked to match that used by yaboot */
+#define PROG_START 0x01400000
+#define RAM_END (256<<20) // Fixme: use OF */
+
+char *avail_ram;
+char *begin_avail, *end_avail;
+char *avail_high;
+unsigned int heap_use;
+unsigned int heap_max;
+
+extern char _start[];
+extern char _vmlinux_start[];
+extern char _vmlinux_end[];
+extern char _initrd_start[];
+extern char _initrd_end[];
+extern unsigned long vmlinux_filesize;
+extern unsigned long vmlinux_memsize;
+
+struct addr_range {
+ unsigned long addr;
+ unsigned long size;
+ unsigned long memsize;
+};
+struct addr_range vmlinux = {0, 0, 0};
+struct addr_range vmlinuz = {0, 0, 0};
+struct addr_range initrd = {0, 0, 0};
+
+static char scratch[128<<10]; /* 128kB of scratch space for gunzip */
+
+typedef void (*kernel_entry_t)( unsigned long,
+ unsigned long,
+ void *,
+ void *);
+
+
+int (*prom)(void *);
+
+void *chosen_handle;
+void *stdin;
+void *stdout;
+void *stderr;
+
+#undef DEBUG
+
+static unsigned long claim_base = PROG_START;
+
+static unsigned long try_claim(unsigned long size)
+{
+ unsigned long addr = 0;
+
+ for(; claim_base < RAM_END; claim_base += 0x100000) {
+#ifdef DEBUG
+ printf(" trying: 0x%08lx\n\r", claim_base);
+#endif
+ addr = (unsigned long)claim(claim_base, size, 0);
+ if ((void *)addr != (void *)-1)
+ break;
+ }
+ if (addr == 0)
+ return 0;
+ claim_base = PAGE_ALIGN(claim_base + size);
+ return addr;
+}
+
+void start(unsigned long a1, unsigned long a2, void *promptr)
+{
+ unsigned long i;
+ kernel_entry_t kernel_entry;
+ Elf64_Ehdr *elf64;
+ Elf64_Phdr *elf64ph;
+
+ prom = (int (*)(void *)) promptr;
+ chosen_handle = finddevice("/chosen");
+ if (chosen_handle == (void *) -1)
+ exit();
+ if (getprop(chosen_handle, "stdout", &stdout, sizeof(stdout)) != 4)
+ exit();
+ stderr = stdout;
+ if (getprop(chosen_handle, "stdin", &stdin, sizeof(stdin)) != 4)
+ exit();
+
+ printf("\n\rzImage starting: loaded at 0x%x\n\r", (unsigned)_start);
+
+ /*
+ * Now we try to claim some memory for the kernel itself
+ * our "vmlinux_memsize" is the memory footprint in RAM, _HOWEVER_, what
+ * our Makefile stuffs in is an image containing all sort of junk including
+ * an ELF header. We need to do some calculations here to find the right
+ * size... In practice we add 1Mb, that is enough, but we should really
+ * consider fixing the Makefile to put a _raw_ kernel in there !
+ */
+ vmlinux_memsize += 0x100000;
+ printf("Allocating 0x%lx bytes for kernel ...\n\r", vmlinux_memsize);
+ vmlinux.addr = try_claim(vmlinux_memsize);
+ if (vmlinux.addr == 0) {
+ printf("Can't allocate memory for kernel image !\n\r");
+ exit();
+ }
+ vmlinuz.addr = (unsigned long)_vmlinux_start;
+ vmlinuz.size = (unsigned long)(_vmlinux_end - _vmlinux_start);
+ vmlinux.size = PAGE_ALIGN(vmlinux_filesize);
+ vmlinux.memsize = vmlinux_memsize;
+
+ /*
+ * Now we try to claim memory for the initrd (and copy it there)
+ */
+ initrd.size = (unsigned long)(_initrd_end - _initrd_start);
+ initrd.memsize = initrd.size;
+ if ( initrd.size > 0 ) {
+ printf("Allocating 0x%lx bytes for initrd ...\n\r", initrd.size);
+ initrd.addr = try_claim(initrd.size);
+ if (initrd.addr == 0) {
+ printf("Can't allocate memory for initial ramdisk !\n\r");
+ exit();
+ }
+ a1 = initrd.addr;
+ a2 = initrd.size;
+ printf("initial ramdisk moving 0x%lx <- 0x%lx (%lx bytes)\n\r",
+ initrd.addr, (unsigned long)_initrd_start, initrd.size);
+ memmove((void *)initrd.addr, (void *)_initrd_start, initrd.size);
+ printf("initrd head: 0x%lx\n\r", *((u32 *)initrd.addr));
+ }
+
+ /* Eventually gunzip the kernel */
+ if (*(unsigned short *)vmlinuz.addr == 0x1f8b) {
+ int len;
+ avail_ram = scratch;
+ begin_avail = avail_high = avail_ram;
+ end_avail = scratch + sizeof(scratch);
+ printf("gunzipping (0x%lx <- 0x%lx:0x%0lx)...",
+ vmlinux.addr, vmlinuz.addr, vmlinuz.addr+vmlinuz.size);
+ len = vmlinuz.size;
+ gunzip((void *)vmlinux.addr, vmlinux.size,
+ (unsigned char *)vmlinuz.addr, &len);
+ printf("done 0x%lx bytes\n\r", len);
+ printf("0x%x bytes of heap consumed, max in use 0x%x\n\r",
+ (unsigned)(avail_high - begin_avail), heap_max);
+ } else {
+ memmove((void *)vmlinux.addr,(void *)vmlinuz.addr,vmlinuz.size);
+ }
+
+ /* Skip over the ELF header */
+ elf64 = (Elf64_Ehdr *)vmlinux.addr;
+ if ( elf64->e_ident[EI_MAG0] != ELFMAG0 ||
+ elf64->e_ident[EI_MAG1] != ELFMAG1 ||
+ elf64->e_ident[EI_MAG2] != ELFMAG2 ||
+ elf64->e_ident[EI_MAG3] != ELFMAG3 ||
+ elf64->e_ident[EI_CLASS] != ELFCLASS64 ||
+ elf64->e_ident[EI_DATA] != ELFDATA2MSB ||
+ elf64->e_type != ET_EXEC ||
+ elf64->e_machine != EM_PPC64 )
+ {
+ printf("Error: not a valid PPC64 ELF file!\n\r");
+ exit();
+ }
+
+ elf64ph = (Elf64_Phdr *)((unsigned long)elf64 +
+ (unsigned long)elf64->e_phoff);
+ for(i=0; i < (unsigned int)elf64->e_phnum ;i++,elf64ph++) {
+ if (elf64ph->p_type == PT_LOAD && elf64ph->p_offset != 0)
+ break;
+ }
+#ifdef DEBUG
+ printf("... skipping 0x%lx bytes of ELF header\n\r",
+ (unsigned long)elf64ph->p_offset);
+#endif
+ vmlinux.addr += (unsigned long)elf64ph->p_offset;
+ vmlinux.size -= (unsigned long)elf64ph->p_offset;
+
+ flush_cache((void *)vmlinux.addr, vmlinux.size);
+
+ if (a1)
+ printf("initrd head: 0x%lx\n\r", *((u32 *)initrd.addr));
+
+ kernel_entry = (kernel_entry_t)vmlinux.addr;
+#ifdef DEBUG
+ printf( "kernel:\n\r"
+ " entry addr = 0x%lx\n\r"
+ " a1 = 0x%lx,\n\r"
+ " a2 = 0x%lx,\n\r"
+ " prom = 0x%lx,\n\r"
+ " bi_recs = 0x%lx,\n\r",
+ (unsigned long)kernel_entry, a1, a2,
+ (unsigned long)prom, NULL);
+#endif
+
+ kernel_entry( a1, a2, prom, NULL );
+
+ printf("Error: Linux kernel returned to zImage bootloader!\n\r");
+
+ exit();
+}
+
+struct memchunk {
+ unsigned int size;
+ unsigned int pad;
+ struct memchunk *next;
+};
+
+static struct memchunk *freechunks;
+
+void *zalloc(void *x, unsigned items, unsigned size)
+{
+ void *p;
+ struct memchunk **mpp, *mp;
+
+ size *= items;
+ size = _ALIGN(size, sizeof(struct memchunk));
+ heap_use += size;
+ if (heap_use > heap_max)
+ heap_max = heap_use;
+ for (mpp = &freechunks; (mp = *mpp) != 0; mpp = &mp->next) {
+ if (mp->size == size) {
+ *mpp = mp->next;
+ return mp;
+ }
+ }
+ p = avail_ram;
+ avail_ram += size;
+ if (avail_ram > avail_high)
+ avail_high = avail_ram;
+ if (avail_ram > end_avail) {
+ printf("oops... out of memory\n\r");
+ pause();
+ }
+ return p;
+}
+
+void zfree(void *x, void *addr, unsigned nb)
+{
+ struct memchunk *mp = addr;
+
+ nb = _ALIGN(nb, sizeof(struct memchunk));
+ heap_use -= nb;
+ if (avail_ram == addr + nb) {
+ avail_ram = addr;
+ return;
+ }
+ mp->size = nb;
+ mp->next = freechunks;
+ freechunks = mp;
+}
+
+#define HEAD_CRC 2
+#define EXTRA_FIELD 4
+#define ORIG_NAME 8
+#define COMMENT 0x10
+#define RESERVED 0xe0
+
+#define DEFLATED 8
+
+void gunzip(void *dst, int dstlen, unsigned char *src, int *lenp)
+{
+ z_stream s;
+ int r, i, flags;
+
+ /* skip header */
+ i = 10;
+ flags = src[3];
+ if (src[2] != DEFLATED || (flags & RESERVED) != 0) {
+ printf("bad gzipped data\n\r");
+ exit();
+ }
+ if ((flags & EXTRA_FIELD) != 0)
+ i = 12 + src[10] + (src[11] << 8);
+ if ((flags & ORIG_NAME) != 0)
+ while (src[i++] != 0)
+ ;
+ if ((flags & COMMENT) != 0)
+ while (src[i++] != 0)
+ ;
+ if ((flags & HEAD_CRC) != 0)
+ i += 2;
+ if (i >= *lenp) {
+ printf("gunzip: ran out of data in header\n\r");
+ exit();
+ }
+
+ s.zalloc = zalloc;
+ s.zfree = zfree;
+ r = inflateInit2(&s, -MAX_WBITS);
+ if (r != Z_OK) {
+ printf("inflateInit2 returned %d\n\r", r);
+ exit();
+ }
+ s.next_in = src + i;
+ s.avail_in = *lenp - i;
+ s.next_out = dst;
+ s.avail_out = dstlen;
+ r = inflate(&s, Z_FINISH);
+ if (r != Z_OK && r != Z_STREAM_END) {
+ printf("inflate returned %d msg: %s\n\r", r, s.msg);
+ exit();
+ }
+ *lenp = s.next_out - (unsigned char *) dst;
+ inflateEnd(&s);
+}
+
diff --git a/arch/ppc64/boot/mknote.c b/arch/ppc64/boot/mknote.c
new file mode 100644
index 0000000..120cc1d
--- /dev/null
+++ b/arch/ppc64/boot/mknote.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) Cort Dougan 1999.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * Generate a note section as per the CHRP specification.
+ *
+ */
+
+#include <stdio.h>
+
+#define PL(x) printf("%c%c%c%c", ((x)>>24)&0xff, ((x)>>16)&0xff, ((x)>>8)&0xff, (x)&0xff );
+
+int main(void)
+{
+/* header */
+ /* namesz */
+ PL(strlen("PowerPC")+1);
+ /* descrsz */
+ PL(6*4);
+ /* type */
+ PL(0x1275);
+ /* name */
+ printf("PowerPC"); printf("%c", 0);
+
+/* descriptor */
+ /* real-mode */
+ PL(0xffffffff);
+ /* real-base */
+ PL(0x00c00000);
+ /* real-size */
+ PL(0xffffffff);
+ /* virt-base */
+ PL(0xffffffff);
+ /* virt-size */
+ PL(0xffffffff);
+ /* load-base */
+ PL(0x4000);
+ return 0;
+}
diff --git a/arch/ppc64/boot/piggyback.c b/arch/ppc64/boot/piggyback.c
new file mode 100644
index 0000000..235c7a8
--- /dev/null
+++ b/arch/ppc64/boot/piggyback.c
@@ -0,0 +1,83 @@
+/*
+ * Copyright 2001 IBM Corp
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+
+extern long ce_exec_config[];
+
+int main(int argc, char *argv[])
+{
+ int i, cnt, pos, len;
+ unsigned int cksum, val;
+ unsigned char *lp;
+ unsigned char buf[8192];
+ char *varname;
+ if (argc != 2)
+ {
+ fprintf(stderr, "usage: %s name <in-file >out-file\n",
+ argv[0]);
+ exit(1);
+ }
+
+ varname = strrchr(argv[1], '/');
+ if (varname)
+ varname++;
+ else
+ varname = argv[1];
+
+ fprintf(stdout, "#\n");
+ fprintf(stdout, "# Miscellaneous data structures:\n");
+ fprintf(stdout, "# WARNING - this file is automatically generated!\n");
+ fprintf(stdout, "#\n");
+ fprintf(stdout, "\n");
+ fprintf(stdout, "\t.data\n");
+ fprintf(stdout, "\t.globl %s_data\n", varname);
+ fprintf(stdout, "%s_data:\n", varname);
+ pos = 0;
+ cksum = 0;
+ while ((len = read(0, buf, sizeof(buf))) > 0)
+ {
+ cnt = 0;
+ lp = (unsigned char *)buf;
+ len = (len + 3) & ~3; /* Round up to longwords */
+ for (i = 0; i < len; i += 4)
+ {
+ if (cnt == 0)
+ {
+ fprintf(stdout, "\t.long\t");
+ }
+ fprintf(stdout, "0x%02X%02X%02X%02X", lp[0], lp[1], lp[2], lp[3]);
+ val = *(unsigned long *)lp;
+ cksum ^= val;
+ lp += 4;
+ if (++cnt == 4)
+ {
+ cnt = 0;
+ fprintf(stdout, " # %x \n", pos+i-12);
+ fflush(stdout);
+ } else
+ {
+ fprintf(stdout, ",");
+ }
+ }
+ if (cnt)
+ {
+ fprintf(stdout, "0\n");
+ }
+ pos += len;
+ }
+ fprintf(stdout, "\t.globl %s_len\n", varname);
+ fprintf(stdout, "%s_len:\t.long\t0x%x\n", varname, pos);
+ fflush(stdout);
+ fclose(stdout);
+ fprintf(stderr, "cksum = %x\n", cksum);
+ exit(0);
+}
+
diff --git a/arch/ppc64/boot/ppc32-types.h b/arch/ppc64/boot/ppc32-types.h
new file mode 100644
index 0000000..f7b8884
--- /dev/null
+++ b/arch/ppc64/boot/ppc32-types.h
@@ -0,0 +1,36 @@
+#ifndef _PPC64_TYPES_H
+#define _PPC64_TYPES_H
+
+typedef __signed__ char __s8;
+typedef unsigned char __u8;
+
+typedef __signed__ short __s16;
+typedef unsigned short __u16;
+
+typedef __signed__ int __s32;
+typedef unsigned int __u32;
+
+typedef __signed__ long long __s64;
+typedef unsigned long long __u64;
+
+typedef signed char s8;
+typedef unsigned char u8;
+
+typedef signed short s16;
+typedef unsigned short u16;
+
+typedef signed int s32;
+typedef unsigned int u32;
+
+typedef signed long long s64;
+typedef unsigned long long u64;
+
+typedef struct {
+ __u32 u[4];
+} __attribute((aligned(16))) __vector128;
+
+#define BITS_PER_LONG 32
+
+typedef __vector128 vector128;
+
+#endif /* _PPC64_TYPES_H */
diff --git a/arch/ppc64/boot/prom.c b/arch/ppc64/boot/prom.c
new file mode 100644
index 0000000..7b607d1
--- /dev/null
+++ b/arch/ppc64/boot/prom.c
@@ -0,0 +1,637 @@
+/*
+ * Copyright (C) Paul Mackerras 1997.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#include <stdarg.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/ctype.h>
+
+int (*prom)(void *);
+
+void *chosen_handle;
+void *stdin;
+void *stdout;
+void *stderr;
+
+void exit(void);
+void *finddevice(const char *name);
+int getprop(void *phandle, const char *name, void *buf, int buflen);
+void chrpboot(int a1, int a2, void *prom); /* in main.c */
+
+void printk(char *fmt, ...);
+
+/* there is no convenient header to get this from... -- paulus */
+extern unsigned long strlen(const char *);
+
+int
+write(void *handle, void *ptr, int nb)
+{
+ struct prom_args {
+ char *service;
+ int nargs;
+ int nret;
+ void *ihandle;
+ void *addr;
+ int len;
+ int actual;
+ } args;
+
+ args.service = "write";
+ args.nargs = 3;
+ args.nret = 1;
+ args.ihandle = handle;
+ args.addr = ptr;
+ args.len = nb;
+ args.actual = -1;
+ (*prom)(&args);
+ return args.actual;
+}
+
+int
+read(void *handle, void *ptr, int nb)
+{
+ struct prom_args {
+ char *service;
+ int nargs;
+ int nret;
+ void *ihandle;
+ void *addr;
+ int len;
+ int actual;
+ } args;
+
+ args.service = "read";
+ args.nargs = 3;
+ args.nret = 1;
+ args.ihandle = handle;
+ args.addr = ptr;
+ args.len = nb;
+ args.actual = -1;
+ (*prom)(&args);
+ return args.actual;
+}
+
+void
+exit()
+{
+ struct prom_args {
+ char *service;
+ } args;
+
+ for (;;) {
+ args.service = "exit";
+ (*prom)(&args);
+ }
+}
+
+void
+pause(void)
+{
+ struct prom_args {
+ char *service;
+ } args;
+
+ args.service = "enter";
+ (*prom)(&args);
+}
+
+void *
+finddevice(const char *name)
+{
+ struct prom_args {
+ char *service;
+ int nargs;
+ int nret;
+ const char *devspec;
+ void *phandle;
+ } args;
+
+ args.service = "finddevice";
+ args.nargs = 1;
+ args.nret = 1;
+ args.devspec = name;
+ args.phandle = (void *) -1;
+ (*prom)(&args);
+ return args.phandle;
+}
+
+void *
+claim(unsigned long virt, unsigned long size, unsigned long align)
+{
+ struct prom_args {
+ char *service;
+ int nargs;
+ int nret;
+ unsigned int virt;
+ unsigned int size;
+ unsigned int align;
+ void *ret;
+ } args;
+
+ args.service = "claim";
+ args.nargs = 3;
+ args.nret = 1;
+ args.virt = virt;
+ args.size = size;
+ args.align = align;
+ (*prom)(&args);
+ return args.ret;
+}
+
+int
+getprop(void *phandle, const char *name, void *buf, int buflen)
+{
+ struct prom_args {
+ char *service;
+ int nargs;
+ int nret;
+ void *phandle;
+ const char *name;
+ void *buf;
+ int buflen;
+ int size;
+ } args;
+
+ args.service = "getprop";
+ args.nargs = 4;
+ args.nret = 1;
+ args.phandle = phandle;
+ args.name = name;
+ args.buf = buf;
+ args.buflen = buflen;
+ args.size = -1;
+ (*prom)(&args);
+ return args.size;
+}
+
+int
+putc(int c, void *f)
+{
+ char ch = c;
+
+ if (c == '\n')
+ putc('\r', f);
+ return write(f, &ch, 1) == 1? c: -1;
+}
+
+int
+putchar(int c)
+{
+ return putc(c, stdout);
+}
+
+int
+fputs(char *str, void *f)
+{
+ int n = strlen(str);
+
+ return write(f, str, n) == n? 0: -1;
+}
+
+int
+readchar(void)
+{
+ char ch;
+
+ for (;;) {
+ switch (read(stdin, &ch, 1)) {
+ case 1:
+ return ch;
+ case -1:
+ printk("read(stdin) returned -1\r\n");
+ return -1;
+ }
+ }
+}
+
+static char line[256];
+static char *lineptr;
+static int lineleft;
+
+int
+getchar(void)
+{
+ int c;
+
+ if (lineleft == 0) {
+ lineptr = line;
+ for (;;) {
+ c = readchar();
+ if (c == -1 || c == 4)
+ break;
+ if (c == '\r' || c == '\n') {
+ *lineptr++ = '\n';
+ putchar('\n');
+ break;
+ }
+ switch (c) {
+ case 0177:
+ case '\b':
+ if (lineptr > line) {
+ putchar('\b');
+ putchar(' ');
+ putchar('\b');
+ --lineptr;
+ }
+ break;
+ case 'U' & 0x1F:
+ while (lineptr > line) {
+ putchar('\b');
+ putchar(' ');
+ putchar('\b');
+ --lineptr;
+ }
+ break;
+ default:
+ if (lineptr >= &line[sizeof(line) - 1])
+ putchar('\a');
+ else {
+ putchar(c);
+ *lineptr++ = c;
+ }
+ }
+ }
+ lineleft = lineptr - line;
+ lineptr = line;
+ }
+ if (lineleft == 0)
+ return -1;
+ --lineleft;
+ return *lineptr++;
+}
+
+
+
+/* String functions lifted from lib/vsprintf.c and lib/ctype.c */
+unsigned char _ctype[] = {
+_C,_C,_C,_C,_C,_C,_C,_C, /* 0-7 */
+_C,_C|_S,_C|_S,_C|_S,_C|_S,_C|_S,_C,_C, /* 8-15 */
+_C,_C,_C,_C,_C,_C,_C,_C, /* 16-23 */
+_C,_C,_C,_C,_C,_C,_C,_C, /* 24-31 */
+_S|_SP,_P,_P,_P,_P,_P,_P,_P, /* 32-39 */
+_P,_P,_P,_P,_P,_P,_P,_P, /* 40-47 */
+_D,_D,_D,_D,_D,_D,_D,_D, /* 48-55 */
+_D,_D,_P,_P,_P,_P,_P,_P, /* 56-63 */
+_P,_U|_X,_U|_X,_U|_X,_U|_X,_U|_X,_U|_X,_U, /* 64-71 */
+_U,_U,_U,_U,_U,_U,_U,_U, /* 72-79 */
+_U,_U,_U,_U,_U,_U,_U,_U, /* 80-87 */
+_U,_U,_U,_P,_P,_P,_P,_P, /* 88-95 */
+_P,_L|_X,_L|_X,_L|_X,_L|_X,_L|_X,_L|_X,_L, /* 96-103 */
+_L,_L,_L,_L,_L,_L,_L,_L, /* 104-111 */
+_L,_L,_L,_L,_L,_L,_L,_L, /* 112-119 */
+_L,_L,_L,_P,_P,_P,_P,_C, /* 120-127 */
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 128-143 */
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 144-159 */
+_S|_SP,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P, /* 160-175 */
+_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P, /* 176-191 */
+_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U, /* 192-207 */
+_U,_U,_U,_U,_U,_U,_U,_P,_U,_U,_U,_U,_U,_U,_U,_L, /* 208-223 */
+_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L, /* 224-239 */
+_L,_L,_L,_L,_L,_L,_L,_P,_L,_L,_L,_L,_L,_L,_L,_L}; /* 240-255 */
+
+size_t strnlen(const char * s, size_t count)
+{
+ const char *sc;
+
+ for (sc = s; count-- && *sc != '\0'; ++sc)
+ /* nothing */;
+ return sc - s;
+}
+
+unsigned long simple_strtoul(const char *cp,char **endp,unsigned int base)
+{
+ unsigned long result = 0,value;
+
+ if (!base) {
+ base = 10;
+ if (*cp == '0') {
+ base = 8;
+ cp++;
+ if ((*cp == 'x') && isxdigit(cp[1])) {
+ cp++;
+ base = 16;
+ }
+ }
+ }
+ while (isxdigit(*cp) &&
+ (value = isdigit(*cp) ? *cp-'0' : toupper(*cp)-'A'+10) < base) {
+ result = result*base + value;
+ cp++;
+ }
+ if (endp)
+ *endp = (char *)cp;
+ return result;
+}
+
+long simple_strtol(const char *cp,char **endp,unsigned int base)
+{
+ if(*cp=='-')
+ return -simple_strtoul(cp+1,endp,base);
+ return simple_strtoul(cp,endp,base);
+}
+
+static int skip_atoi(const char **s)
+{
+ int i=0;
+
+ while (isdigit(**s))
+ i = i*10 + *((*s)++) - '0';
+ return i;
+}
+
+#define ZEROPAD 1 /* pad with zero */
+#define SIGN 2 /* unsigned/signed long */
+#define PLUS 4 /* show plus */
+#define SPACE 8 /* space if plus */
+#define LEFT 16 /* left justified */
+#define SPECIAL 32 /* 0x */
+#define LARGE 64 /* use 'ABCDEF' instead of 'abcdef' */
+
+static char * number(char * str, long num, int base, int size, int precision, int type)
+{
+ char c,sign,tmp[66];
+ const char *digits="0123456789abcdefghijklmnopqrstuvwxyz";
+ int i;
+
+ if (type & LARGE)
+ digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+ if (type & LEFT)
+ type &= ~ZEROPAD;
+ if (base < 2 || base > 36)
+ return 0;
+ c = (type & ZEROPAD) ? '0' : ' ';
+ sign = 0;
+ if (type & SIGN) {
+ if (num < 0) {
+ sign = '-';
+ num = -num;
+ size--;
+ } else if (type & PLUS) {
+ sign = '+';
+ size--;
+ } else if (type & SPACE) {
+ sign = ' ';
+ size--;
+ }
+ }
+ if (type & SPECIAL) {
+ if (base == 16)
+ size -= 2;
+ else if (base == 8)
+ size--;
+ }
+ i = 0;
+ if (num == 0)
+ tmp[i++]='0';
+ else while (num != 0) {
+ tmp[i++] = digits[num % base];
+ num /= base;
+ }
+ if (i > precision)
+ precision = i;
+ size -= precision;
+ if (!(type&(ZEROPAD+LEFT)))
+ while(size-->0)
+ *str++ = ' ';
+ if (sign)
+ *str++ = sign;
+ if (type & SPECIAL) {
+ if (base==8)
+ *str++ = '0';
+ else if (base==16) {
+ *str++ = '0';
+ *str++ = digits[33];
+ }
+ }
+ if (!(type & LEFT))
+ while (size-- > 0)
+ *str++ = c;
+ while (i < precision--)
+ *str++ = '0';
+ while (i-- > 0)
+ *str++ = tmp[i];
+ while (size-- > 0)
+ *str++ = ' ';
+ return str;
+}
+
+/* Forward decl. needed for IP address printing stuff... */
+int sprintf(char * buf, const char *fmt, ...);
+
+int vsprintf(char *buf, const char *fmt, va_list args)
+{
+ int len;
+ unsigned long num;
+ int i, base;
+ char * str;
+ const char *s;
+
+ int flags; /* flags to number() */
+
+ int field_width; /* width of output field */
+ int precision; /* min. # of digits for integers; max
+ number of chars for from string */
+ int qualifier; /* 'h', 'l', or 'L' for integer fields */
+ /* 'z' support added 23/7/1999 S.H. */
+ /* 'z' changed to 'Z' --davidm 1/25/99 */
+
+
+ for (str=buf ; *fmt ; ++fmt) {
+ if (*fmt != '%') {
+ *str++ = *fmt;
+ continue;
+ }
+
+ /* process flags */
+ flags = 0;
+ repeat:
+ ++fmt; /* this also skips first '%' */
+ switch (*fmt) {
+ case '-': flags |= LEFT; goto repeat;
+ case '+': flags |= PLUS; goto repeat;
+ case ' ': flags |= SPACE; goto repeat;
+ case '#': flags |= SPECIAL; goto repeat;
+ case '0': flags |= ZEROPAD; goto repeat;
+ }
+
+ /* get field width */
+ field_width = -1;
+ if (isdigit(*fmt))
+ field_width = skip_atoi(&fmt);
+ else if (*fmt == '*') {
+ ++fmt;
+ /* it's the next argument */
+ field_width = va_arg(args, int);
+ if (field_width < 0) {
+ field_width = -field_width;
+ flags |= LEFT;
+ }
+ }
+
+ /* get the precision */
+ precision = -1;
+ if (*fmt == '.') {
+ ++fmt;
+ if (isdigit(*fmt))
+ precision = skip_atoi(&fmt);
+ else if (*fmt == '*') {
+ ++fmt;
+ /* it's the next argument */
+ precision = va_arg(args, int);
+ }
+ if (precision < 0)
+ precision = 0;
+ }
+
+ /* get the conversion qualifier */
+ qualifier = -1;
+ if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L' || *fmt =='Z') {
+ qualifier = *fmt;
+ ++fmt;
+ }
+
+ /* default base */
+ base = 10;
+
+ switch (*fmt) {
+ case 'c':
+ if (!(flags & LEFT))
+ while (--field_width > 0)
+ *str++ = ' ';
+ *str++ = (unsigned char) va_arg(args, int);
+ while (--field_width > 0)
+ *str++ = ' ';
+ continue;
+
+ case 's':
+ s = va_arg(args, char *);
+ if (!s)
+ s = "<NULL>";
+
+ len = strnlen(s, precision);
+
+ if (!(flags & LEFT))
+ while (len < field_width--)
+ *str++ = ' ';
+ for (i = 0; i < len; ++i)
+ *str++ = *s++;
+ while (len < field_width--)
+ *str++ = ' ';
+ continue;
+
+ case 'p':
+ if (field_width == -1) {
+ field_width = 2*sizeof(void *);
+ flags |= ZEROPAD;
+ }
+ str = number(str,
+ (unsigned long) va_arg(args, void *), 16,
+ field_width, precision, flags);
+ continue;
+
+
+ case 'n':
+ if (qualifier == 'l') {
+ long * ip = va_arg(args, long *);
+ *ip = (str - buf);
+ } else if (qualifier == 'Z') {
+ size_t * ip = va_arg(args, size_t *);
+ *ip = (str - buf);
+ } else {
+ int * ip = va_arg(args, int *);
+ *ip = (str - buf);
+ }
+ continue;
+
+ case '%':
+ *str++ = '%';
+ continue;
+
+ /* integer number formats - set up the flags and "break" */
+ case 'o':
+ base = 8;
+ break;
+
+ case 'X':
+ flags |= LARGE;
+ case 'x':
+ base = 16;
+ break;
+
+ case 'd':
+ case 'i':
+ flags |= SIGN;
+ case 'u':
+ break;
+
+ default:
+ *str++ = '%';
+ if (*fmt)
+ *str++ = *fmt;
+ else
+ --fmt;
+ continue;
+ }
+ if (qualifier == 'l') {
+ num = va_arg(args, unsigned long);
+ if (flags & SIGN)
+ num = (signed long) num;
+ } else if (qualifier == 'Z') {
+ num = va_arg(args, size_t);
+ } else if (qualifier == 'h') {
+ num = (unsigned short) va_arg(args, int);
+ if (flags & SIGN)
+ num = (signed short) num;
+ } else {
+ num = va_arg(args, unsigned int);
+ if (flags & SIGN)
+ num = (signed int) num;
+ }
+ str = number(str, num, base, field_width, precision, flags);
+ }
+ *str = '\0';
+ return str-buf;
+}
+
+int sprintf(char * buf, const char *fmt, ...)
+{
+ va_list args;
+ int i;
+
+ va_start(args, fmt);
+ i=vsprintf(buf,fmt,args);
+ va_end(args);
+ return i;
+}
+
+static char sprint_buf[1024];
+
+void
+printk(char *fmt, ...)
+{
+ va_list args;
+ int n;
+
+ va_start(args, fmt);
+ n = vsprintf(sprint_buf, fmt, args);
+ va_end(args);
+ write(stdout, sprint_buf, n);
+}
+
+int
+printf(char *fmt, ...)
+{
+ va_list args;
+ int n;
+
+ va_start(args, fmt);
+ n = vsprintf(sprint_buf, fmt, args);
+ va_end(args);
+ write(stdout, sprint_buf, n);
+ return n;
+}
diff --git a/arch/ppc64/boot/start.c b/arch/ppc64/boot/start.c
new file mode 100644
index 0000000..ea247e7
--- /dev/null
+++ b/arch/ppc64/boot/start.c
@@ -0,0 +1,654 @@
+/*
+ * Copyright (C) Paul Mackerras 1997.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#include <stdarg.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/ctype.h>
+
+#include <asm/div64.h>
+
+int (*prom)(void *);
+
+void *chosen_handle;
+void *stdin;
+void *stdout;
+void *stderr;
+
+void exit(void);
+void *finddevice(const char *name);
+int getprop(void *phandle, const char *name, void *buf, int buflen);
+void chrpboot(int a1, int a2, void *prom); /* in main.c */
+
+void printk(char *fmt, ...);
+
+void
+start(int a1, int a2, void *promptr)
+{
+ prom = (int (*)(void *)) promptr;
+ chosen_handle = finddevice("/chosen");
+ if (chosen_handle == (void *) -1)
+ exit();
+ if (getprop(chosen_handle, "stdout", &stdout, sizeof(stdout)) != 4)
+ exit();
+ stderr = stdout;
+ if (getprop(chosen_handle, "stdin", &stdin, sizeof(stdin)) != 4)
+ exit();
+
+ chrpboot(a1, a2, promptr);
+ for (;;)
+ exit();
+}
+
+int
+write(void *handle, void *ptr, int nb)
+{
+ struct prom_args {
+ char *service;
+ int nargs;
+ int nret;
+ void *ihandle;
+ void *addr;
+ int len;
+ int actual;
+ } args;
+
+ args.service = "write";
+ args.nargs = 3;
+ args.nret = 1;
+ args.ihandle = handle;
+ args.addr = ptr;
+ args.len = nb;
+ args.actual = -1;
+ (*prom)(&args);
+ return args.actual;
+}
+
+int
+read(void *handle, void *ptr, int nb)
+{
+ struct prom_args {
+ char *service;
+ int nargs;
+ int nret;
+ void *ihandle;
+ void *addr;
+ int len;
+ int actual;
+ } args;
+
+ args.service = "read";
+ args.nargs = 3;
+ args.nret = 1;
+ args.ihandle = handle;
+ args.addr = ptr;
+ args.len = nb;
+ args.actual = -1;
+ (*prom)(&args);
+ return args.actual;
+}
+
+void
+exit()
+{
+ struct prom_args {
+ char *service;
+ } args;
+
+ for (;;) {
+ args.service = "exit";
+ (*prom)(&args);
+ }
+}
+
+void
+pause(void)
+{
+ struct prom_args {
+ char *service;
+ } args;
+
+ args.service = "enter";
+ (*prom)(&args);
+}
+
+void *
+finddevice(const char *name)
+{
+ struct prom_args {
+ char *service;
+ int nargs;
+ int nret;
+ const char *devspec;
+ void *phandle;
+ } args;
+
+ args.service = "finddevice";
+ args.nargs = 1;
+ args.nret = 1;
+ args.devspec = name;
+ args.phandle = (void *) -1;
+ (*prom)(&args);
+ return args.phandle;
+}
+
+void *
+claim(unsigned long virt, unsigned long size, unsigned long align)
+{
+ struct prom_args {
+ char *service;
+ int nargs;
+ int nret;
+ unsigned int virt;
+ unsigned int size;
+ unsigned int align;
+ void *ret;
+ } args;
+
+ args.service = "claim";
+ args.nargs = 3;
+ args.nret = 1;
+ args.virt = virt;
+ args.size = size;
+ args.align = align;
+ (*prom)(&args);
+ return args.ret;
+}
+
+int
+getprop(void *phandle, const char *name, void *buf, int buflen)
+{
+ struct prom_args {
+ char *service;
+ int nargs;
+ int nret;
+ void *phandle;
+ const char *name;
+ void *buf;
+ int buflen;
+ int size;
+ } args;
+
+ args.service = "getprop";
+ args.nargs = 4;
+ args.nret = 1;
+ args.phandle = phandle;
+ args.name = name;
+ args.buf = buf;
+ args.buflen = buflen;
+ args.size = -1;
+ (*prom)(&args);
+ return args.size;
+}
+
+int
+putc(int c, void *f)
+{
+ char ch = c;
+
+ if (c == '\n')
+ putc('\r', f);
+ return write(f, &ch, 1) == 1? c: -1;
+}
+
+int
+putchar(int c)
+{
+ return putc(c, stdout);
+}
+
+int
+fputs(char *str, void *f)
+{
+ int n = strlen(str);
+
+ return write(f, str, n) == n? 0: -1;
+}
+
+int
+readchar(void)
+{
+ char ch;
+
+ for (;;) {
+ switch (read(stdin, &ch, 1)) {
+ case 1:
+ return ch;
+ case -1:
+ printk("read(stdin) returned -1\r\n");
+ return -1;
+ }
+ }
+}
+
+static char line[256];
+static char *lineptr;
+static int lineleft;
+
+int
+getchar(void)
+{
+ int c;
+
+ if (lineleft == 0) {
+ lineptr = line;
+ for (;;) {
+ c = readchar();
+ if (c == -1 || c == 4)
+ break;
+ if (c == '\r' || c == '\n') {
+ *lineptr++ = '\n';
+ putchar('\n');
+ break;
+ }
+ switch (c) {
+ case 0177:
+ case '\b':
+ if (lineptr > line) {
+ putchar('\b');
+ putchar(' ');
+ putchar('\b');
+ --lineptr;
+ }
+ break;
+ case 'U' & 0x1F:
+ while (lineptr > line) {
+ putchar('\b');
+ putchar(' ');
+ putchar('\b');
+ --lineptr;
+ }
+ break;
+ default:
+ if (lineptr >= &line[sizeof(line) - 1])
+ putchar('\a');
+ else {
+ putchar(c);
+ *lineptr++ = c;
+ }
+ }
+ }
+ lineleft = lineptr - line;
+ lineptr = line;
+ }
+ if (lineleft == 0)
+ return -1;
+ --lineleft;
+ return *lineptr++;
+}
+
+
+
+/* String functions lifted from lib/vsprintf.c and lib/ctype.c */
+unsigned char _ctype[] = {
+_C,_C,_C,_C,_C,_C,_C,_C, /* 0-7 */
+_C,_C|_S,_C|_S,_C|_S,_C|_S,_C|_S,_C,_C, /* 8-15 */
+_C,_C,_C,_C,_C,_C,_C,_C, /* 16-23 */
+_C,_C,_C,_C,_C,_C,_C,_C, /* 24-31 */
+_S|_SP,_P,_P,_P,_P,_P,_P,_P, /* 32-39 */
+_P,_P,_P,_P,_P,_P,_P,_P, /* 40-47 */
+_D,_D,_D,_D,_D,_D,_D,_D, /* 48-55 */
+_D,_D,_P,_P,_P,_P,_P,_P, /* 56-63 */
+_P,_U|_X,_U|_X,_U|_X,_U|_X,_U|_X,_U|_X,_U, /* 64-71 */
+_U,_U,_U,_U,_U,_U,_U,_U, /* 72-79 */
+_U,_U,_U,_U,_U,_U,_U,_U, /* 80-87 */
+_U,_U,_U,_P,_P,_P,_P,_P, /* 88-95 */
+_P,_L|_X,_L|_X,_L|_X,_L|_X,_L|_X,_L|_X,_L, /* 96-103 */
+_L,_L,_L,_L,_L,_L,_L,_L, /* 104-111 */
+_L,_L,_L,_L,_L,_L,_L,_L, /* 112-119 */
+_L,_L,_L,_P,_P,_P,_P,_C, /* 120-127 */
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 128-143 */
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 144-159 */
+_S|_SP,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P, /* 160-175 */
+_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P,_P, /* 176-191 */
+_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U,_U, /* 192-207 */
+_U,_U,_U,_U,_U,_U,_U,_P,_U,_U,_U,_U,_U,_U,_U,_L, /* 208-223 */
+_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L,_L, /* 224-239 */
+_L,_L,_L,_L,_L,_L,_L,_P,_L,_L,_L,_L,_L,_L,_L,_L}; /* 240-255 */
+
+size_t strnlen(const char * s, size_t count)
+{
+ const char *sc;
+
+ for (sc = s; count-- && *sc != '\0'; ++sc)
+ /* nothing */;
+ return sc - s;
+}
+
+unsigned long simple_strtoul(const char *cp,char **endp,unsigned int base)
+{
+ unsigned long result = 0,value;
+
+ if (!base) {
+ base = 10;
+ if (*cp == '0') {
+ base = 8;
+ cp++;
+ if ((*cp == 'x') && isxdigit(cp[1])) {
+ cp++;
+ base = 16;
+ }
+ }
+ }
+ while (isxdigit(*cp) &&
+ (value = isdigit(*cp) ? *cp-'0' : toupper(*cp)-'A'+10) < base) {
+ result = result*base + value;
+ cp++;
+ }
+ if (endp)
+ *endp = (char *)cp;
+ return result;
+}
+
+long simple_strtol(const char *cp,char **endp,unsigned int base)
+{
+ if(*cp=='-')
+ return -simple_strtoul(cp+1,endp,base);
+ return simple_strtoul(cp,endp,base);
+}
+
+static int skip_atoi(const char **s)
+{
+ int i=0;
+
+ while (isdigit(**s))
+ i = i*10 + *((*s)++) - '0';
+ return i;
+}
+
+#define ZEROPAD 1 /* pad with zero */
+#define SIGN 2 /* unsigned/signed long */
+#define PLUS 4 /* show plus */
+#define SPACE 8 /* space if plus */
+#define LEFT 16 /* left justified */
+#define SPECIAL 32 /* 0x */
+#define LARGE 64 /* use 'ABCDEF' instead of 'abcdef' */
+
+static char * number(char * str, long long num, int base, int size, int precision, int type)
+{
+ char c,sign,tmp[66];
+ const char *digits="0123456789abcdefghijklmnopqrstuvwxyz";
+ int i;
+
+ if (type & LARGE)
+ digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+ if (type & LEFT)
+ type &= ~ZEROPAD;
+ if (base < 2 || base > 36)
+ return 0;
+ c = (type & ZEROPAD) ? '0' : ' ';
+ sign = 0;
+ if (type & SIGN) {
+ if (num < 0) {
+ sign = '-';
+ num = -num;
+ size--;
+ } else if (type & PLUS) {
+ sign = '+';
+ size--;
+ } else if (type & SPACE) {
+ sign = ' ';
+ size--;
+ }
+ }
+ if (type & SPECIAL) {
+ if (base == 16)
+ size -= 2;
+ else if (base == 8)
+ size--;
+ }
+ i = 0;
+ if (num == 0)
+ tmp[i++]='0';
+ else while (num != 0)
+ tmp[i++] = digits[do_div(num,base)];
+ if (i > precision)
+ precision = i;
+ size -= precision;
+ if (!(type&(ZEROPAD+LEFT)))
+ while(size-->0)
+ *str++ = ' ';
+ if (sign)
+ *str++ = sign;
+ if (type & SPECIAL) {
+ if (base==8)
+ *str++ = '0';
+ else if (base==16) {
+ *str++ = '0';
+ *str++ = digits[33];
+ }
+ }
+ if (!(type & LEFT))
+ while (size-- > 0)
+ *str++ = c;
+ while (i < precision--)
+ *str++ = '0';
+ while (i-- > 0)
+ *str++ = tmp[i];
+ while (size-- > 0)
+ *str++ = ' ';
+ return str;
+}
+
+/* Forward decl. needed for IP address printing stuff... */
+int sprintf(char * buf, const char *fmt, ...);
+
+int vsprintf(char *buf, const char *fmt, va_list args)
+{
+ int len;
+ unsigned long long num;
+ int i, base;
+ char * str;
+ const char *s;
+
+ int flags; /* flags to number() */
+
+ int field_width; /* width of output field */
+ int precision; /* min. # of digits for integers; max
+ number of chars for from string */
+ int qualifier; /* 'h', 'l', or 'L' for integer fields */
+ /* 'z' support added 23/7/1999 S.H. */
+ /* 'z' changed to 'Z' --davidm 1/25/99 */
+
+
+ for (str=buf ; *fmt ; ++fmt) {
+ if (*fmt != '%') {
+ *str++ = *fmt;
+ continue;
+ }
+
+ /* process flags */
+ flags = 0;
+ repeat:
+ ++fmt; /* this also skips first '%' */
+ switch (*fmt) {
+ case '-': flags |= LEFT; goto repeat;
+ case '+': flags |= PLUS; goto repeat;
+ case ' ': flags |= SPACE; goto repeat;
+ case '#': flags |= SPECIAL; goto repeat;
+ case '0': flags |= ZEROPAD; goto repeat;
+ }
+
+ /* get field width */
+ field_width = -1;
+ if (isdigit(*fmt))
+ field_width = skip_atoi(&fmt);
+ else if (*fmt == '*') {
+ ++fmt;
+ /* it's the next argument */
+ field_width = va_arg(args, int);
+ if (field_width < 0) {
+ field_width = -field_width;
+ flags |= LEFT;
+ }
+ }
+
+ /* get the precision */
+ precision = -1;
+ if (*fmt == '.') {
+ ++fmt;
+ if (isdigit(*fmt))
+ precision = skip_atoi(&fmt);
+ else if (*fmt == '*') {
+ ++fmt;
+ /* it's the next argument */
+ precision = va_arg(args, int);
+ }
+ if (precision < 0)
+ precision = 0;
+ }
+
+ /* get the conversion qualifier */
+ qualifier = -1;
+ if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L' || *fmt =='Z') {
+ qualifier = *fmt;
+ ++fmt;
+ }
+
+ /* default base */
+ base = 10;
+
+ switch (*fmt) {
+ case 'c':
+ if (!(flags & LEFT))
+ while (--field_width > 0)
+ *str++ = ' ';
+ *str++ = (unsigned char) va_arg(args, int);
+ while (--field_width > 0)
+ *str++ = ' ';
+ continue;
+
+ case 's':
+ s = va_arg(args, char *);
+ if (!s)
+ s = "<NULL>";
+
+ len = strnlen(s, precision);
+
+ if (!(flags & LEFT))
+ while (len < field_width--)
+ *str++ = ' ';
+ for (i = 0; i < len; ++i)
+ *str++ = *s++;
+ while (len < field_width--)
+ *str++ = ' ';
+ continue;
+
+ case 'p':
+ if (field_width == -1) {
+ field_width = 2*sizeof(void *);
+ flags |= ZEROPAD;
+ }
+ str = number(str,
+ (unsigned long) va_arg(args, void *), 16,
+ field_width, precision, flags);
+ continue;
+
+
+ case 'n':
+ if (qualifier == 'l') {
+ long * ip = va_arg(args, long *);
+ *ip = (str - buf);
+ } else if (qualifier == 'Z') {
+ size_t * ip = va_arg(args, size_t *);
+ *ip = (str - buf);
+ } else {
+ int * ip = va_arg(args, int *);
+ *ip = (str - buf);
+ }
+ continue;
+
+ case '%':
+ *str++ = '%';
+ continue;
+
+ /* integer number formats - set up the flags and "break" */
+ case 'o':
+ base = 8;
+ break;
+
+ case 'X':
+ flags |= LARGE;
+ case 'x':
+ base = 16;
+ break;
+
+ case 'd':
+ case 'i':
+ flags |= SIGN;
+ case 'u':
+ break;
+
+ default:
+ *str++ = '%';
+ if (*fmt)
+ *str++ = *fmt;
+ else
+ --fmt;
+ continue;
+ }
+ if (qualifier == 'L')
+ num = va_arg(args, long long);
+ else if (qualifier == 'l') {
+ num = va_arg(args, unsigned long);
+ if (flags & SIGN)
+ num = (signed long) num;
+ } else if (qualifier == 'Z') {
+ num = va_arg(args, size_t);
+ } else if (qualifier == 'h') {
+ num = (unsigned short) va_arg(args, int);
+ if (flags & SIGN)
+ num = (signed short) num;
+ } else {
+ num = va_arg(args, unsigned int);
+ if (flags & SIGN)
+ num = (signed int) num;
+ }
+ str = number(str, num, base, field_width, precision, flags);
+ }
+ *str = '\0';
+ return str-buf;
+}
+
+int sprintf(char * buf, const char *fmt, ...)
+{
+ va_list args;
+ int i;
+
+ va_start(args, fmt);
+ i=vsprintf(buf,fmt,args);
+ va_end(args);
+ return i;
+}
+
+static char sprint_buf[1024];
+
+void
+printk(char *fmt, ...)
+{
+ va_list args;
+ int n;
+
+ va_start(args, fmt);
+ n = vsprintf(sprint_buf, fmt, args);
+ va_end(args);
+ write(stdout, sprint_buf, n);
+}
+
+int
+printf(char *fmt, ...)
+{
+ va_list args;
+ int n;
+
+ va_start(args, fmt);
+ n = vsprintf(sprint_buf, fmt, args);
+ va_end(args);
+ write(stdout, sprint_buf, n);
+ return n;
+}
diff --git a/arch/ppc64/boot/string.S b/arch/ppc64/boot/string.S
new file mode 100644
index 0000000..ba5f2d2
--- /dev/null
+++ b/arch/ppc64/boot/string.S
@@ -0,0 +1,216 @@
+/*
+ * Copyright (C) Paul Mackerras 1997.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * NOTE: this code runs in 32 bit mode and is packaged as ELF32.
+ */
+
+#include <asm/ppc_asm.h>
+
+ .text
+ .globl strcpy
+strcpy:
+ addi r5,r3,-1
+ addi r4,r4,-1
+1: lbzu r0,1(r4)
+ cmpwi 0,r0,0
+ stbu r0,1(r5)
+ bne 1b
+ blr
+
+ .globl strncpy
+strncpy:
+ cmpwi 0,r5,0
+ beqlr
+ mtctr r5
+ addi r6,r3,-1
+ addi r4,r4,-1
+1: lbzu r0,1(r4)
+ cmpwi 0,r0,0
+ stbu r0,1(r6)
+ bdnzf 2,1b /* dec ctr, branch if ctr != 0 && !cr0.eq */
+ blr
+
+ .globl strcat
+strcat:
+ addi r5,r3,-1
+ addi r4,r4,-1
+1: lbzu r0,1(r5)
+ cmpwi 0,r0,0
+ bne 1b
+ addi r5,r5,-1
+1: lbzu r0,1(r4)
+ cmpwi 0,r0,0
+ stbu r0,1(r5)
+ bne 1b
+ blr
+
+ .globl strcmp
+strcmp:
+ addi r5,r3,-1
+ addi r4,r4,-1
+1: lbzu r3,1(r5)
+ cmpwi 1,r3,0
+ lbzu r0,1(r4)
+ subf. r3,r0,r3
+ beqlr 1
+ beq 1b
+ blr
+
+ .globl strlen
+strlen:
+ addi r4,r3,-1
+1: lbzu r0,1(r4)
+ cmpwi 0,r0,0
+ bne 1b
+ subf r3,r3,r4
+ blr
+
+ .globl memset
+memset:
+ rlwimi r4,r4,8,16,23
+ rlwimi r4,r4,16,0,15
+ addi r6,r3,-4
+ cmplwi 0,r5,4
+ blt 7f
+ stwu r4,4(r6)
+ beqlr
+ andi. r0,r6,3
+ add r5,r0,r5
+ subf r6,r0,r6
+ rlwinm r0,r5,32-2,2,31
+ mtctr r0
+ bdz 6f
+1: stwu r4,4(r6)
+ bdnz 1b
+6: andi. r5,r5,3
+7: cmpwi 0,r5,0
+ beqlr
+ mtctr r5
+ addi r6,r6,3
+8: stbu r4,1(r6)
+ bdnz 8b
+ blr
+
+ .globl memmove
+memmove:
+ cmplw 0,r3,r4
+ bgt backwards_memcpy
+ /* fall through */
+
+ .globl memcpy
+memcpy:
+ rlwinm. r7,r5,32-3,3,31 /* r0 = r5 >> 3 */
+ addi r6,r3,-4
+ addi r4,r4,-4
+ beq 2f /* if less than 8 bytes to do */
+ andi. r0,r6,3 /* get dest word aligned */
+ mtctr r7
+ bne 5f
+1: lwz r7,4(r4)
+ lwzu r8,8(r4)
+ stw r7,4(r6)
+ stwu r8,8(r6)
+ bdnz 1b
+ andi. r5,r5,7
+2: cmplwi 0,r5,4
+ blt 3f
+ lwzu r0,4(r4)
+ addi r5,r5,-4
+ stwu r0,4(r6)
+3: cmpwi 0,r5,0
+ beqlr
+ mtctr r5
+ addi r4,r4,3
+ addi r6,r6,3
+4: lbzu r0,1(r4)
+ stbu r0,1(r6)
+ bdnz 4b
+ blr
+5: subfic r0,r0,4
+ mtctr r0
+6: lbz r7,4(r4)
+ addi r4,r4,1
+ stb r7,4(r6)
+ addi r6,r6,1
+ bdnz 6b
+ subf r5,r0,r5
+ rlwinm. r7,r5,32-3,3,31
+ beq 2b
+ mtctr r7
+ b 1b
+
+ .globl backwards_memcpy
+backwards_memcpy:
+ rlwinm. r7,r5,32-3,3,31 /* r0 = r5 >> 3 */
+ add r6,r3,r5
+ add r4,r4,r5
+ beq 2f
+ andi. r0,r6,3
+ mtctr r7
+ bne 5f
+1: lwz r7,-4(r4)
+ lwzu r8,-8(r4)
+ stw r7,-4(r6)
+ stwu r8,-8(r6)
+ bdnz 1b
+ andi. r5,r5,7
+2: cmplwi 0,r5,4
+ blt 3f
+ lwzu r0,-4(r4)
+ subi r5,r5,4
+ stwu r0,-4(r6)
+3: cmpwi 0,r5,0
+ beqlr
+ mtctr r5
+4: lbzu r0,-1(r4)
+ stbu r0,-1(r6)
+ bdnz 4b
+ blr
+5: mtctr r0
+6: lbzu r7,-1(r4)
+ stbu r7,-1(r6)
+ bdnz 6b
+ subf r5,r0,r5
+ rlwinm. r7,r5,32-3,3,31
+ beq 2b
+ mtctr r7
+ b 1b
+
+ .globl memcmp
+memcmp:
+ cmpwi 0,r5,0
+ blelr
+ mtctr r5
+ addi r6,r3,-1
+ addi r4,r4,-1
+1: lbzu r3,1(r6)
+ lbzu r0,1(r4)
+ subf. r3,r0,r3
+ bdnzt 2,1b
+ blr
+
+
+/*
+ * Flush the dcache and invalidate the icache for a range of addresses.
+ *
+ * flush_cache(addr, len)
+ */
+ .global flush_cache
+flush_cache:
+ addi 4,4,0x1f /* len = (len + 0x1f) / 0x20 */
+ rlwinm. 4,4,27,5,31
+ mtctr 4
+ beqlr
+1: dcbf 0,3
+ icbi 0,3
+ addi 3,3,0x20
+ bdnz 1b
+ sync
+ isync
+ blr
+
diff --git a/arch/ppc64/boot/zImage.lds b/arch/ppc64/boot/zImage.lds
new file mode 100644
index 0000000..8fe5e70
--- /dev/null
+++ b/arch/ppc64/boot/zImage.lds
@@ -0,0 +1,90 @@
+OUTPUT_ARCH(powerpc:common)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+/* Do we need any of these for elf?
+ __DYNAMIC = 0; */
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .interp : { *(.interp) }
+ .hash : { *(.hash) }
+ .dynsym : { *(.dynsym) }
+ .dynstr : { *(.dynstr) }
+ .rel.text : { *(.rel.text) }
+ .rela.text : { *(.rela.text) }
+ .rel.data : { *(.rel.data) }
+ .rela.data : { *(.rela.data) }
+ .rel.rodata : { *(.rel.rodata) }
+ .rela.rodata : { *(.rela.rodata) }
+ .rel.got : { *(.rel.got) }
+ .rela.got : { *(.rela.got) }
+ .rel.ctors : { *(.rel.ctors) }
+ .rela.ctors : { *(.rela.ctors) }
+ .rel.dtors : { *(.rel.dtors) }
+ .rela.dtors : { *(.rela.dtors) }
+ .rel.bss : { *(.rel.bss) }
+ .rela.bss : { *(.rela.bss) }
+ .rel.plt : { *(.rel.plt) }
+ .rela.plt : { *(.rela.plt) }
+ .plt : { *(.plt) }
+ .text :
+ {
+ *(.text)
+ *(.fixup)
+ *(.got1)
+ }
+ . = ALIGN(4096);
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ }
+ .kstrtab : { *(.kstrtab) }
+ __vermagic : { *(__vermagic) }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+ /* Read-write section, merged into data segment: */
+ . = ALIGN(4096);
+ .data :
+ {
+ *(.data)
+ *(.data1)
+ *(.sdata)
+ *(.sdata2)
+ *(.got.plt) *(.got)
+ *(.dynamic)
+ CONSTRUCTORS
+ }
+
+ . = ALIGN(4096);
+ _vmlinux_start = .;
+ .kernel:vmlinux.strip : { *(.kernel:vmlinux.strip) }
+ _vmlinux_end = .;
+
+ . = ALIGN(4096);
+ _initrd_start = .;
+ .kernel:initrd : { *(.kernel:initrd) }
+ _initrd_end = .;
+
+ . = ALIGN(4096);
+ _edata = .;
+ PROVIDE (edata = .);
+
+ .fixup : { *(.fixup) }
+
+ . = ALIGN(4096);
+ __bss_start = .;
+ .bss :
+ {
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ }
+ . = ALIGN(4096);
+ _end = . ;
+ PROVIDE (end = .);
+}
diff --git a/arch/ppc64/boot/zlib.c b/arch/ppc64/boot/zlib.c
new file mode 100644
index 0000000..9d5e4e9
--- /dev/null
+++ b/arch/ppc64/boot/zlib.c
@@ -0,0 +1,2194 @@
+/*
+ * This file is derived from various .h and .c files from the zlib-0.95
+ * distribution by Jean-loup Gailly and Mark Adler, with some additions
+ * by Paul Mackerras to aid in implementing Deflate compression and
+ * decompression for PPP packets. See zlib.h for conditions of
+ * distribution and use.
+ *
+ * Changes that have been made include:
+ * - changed functions not used outside this file to "local"
+ * - added minCompression parameter to deflateInit2
+ * - added Z_PACKET_FLUSH (see zlib.h for details)
+ * - added inflateIncomp
+ *
+ Copyright (C) 1995 Jean-loup Gailly and Mark Adler
+
+ This software is provided 'as-is', without any express or implied
+ warranty. In no event will the authors be held liable for any damages
+ arising from the use of this software.
+
+ Permission is granted to anyone to use this software for any purpose,
+ including commercial applications, and to alter it and redistribute it
+ freely, subject to the following restrictions:
+
+ 1. The origin of this software must not be misrepresented; you must not
+ claim that you wrote the original software. If you use this software
+ in a product, an acknowledgment in the product documentation would be
+ appreciated but is not required.
+ 2. Altered source versions must be plainly marked as such, and must not be
+ misrepresented as being the original software.
+ 3. This notice may not be removed or altered from any source distribution.
+
+ Jean-loup Gailly Mark Adler
+ gzip@prep.ai.mit.edu madler@alumni.caltech.edu
+
+ *
+ *
+ */
+
+/*+++++*/
+/* zutil.h -- internal interface and configuration of the compression library
+ * Copyright (C) 1995 Jean-loup Gailly.
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+/* WARNING: this file should *not* be used by applications. It is
+ part of the implementation of the compression library and is
+ subject to change. Applications should only use zlib.h.
+ */
+
+/* From: zutil.h,v 1.9 1995/05/03 17:27:12 jloup Exp */
+
+#define _Z_UTIL_H
+
+#include "zlib.h"
+
+#ifndef local
+# define local static
+#endif
+/* compile with -Dlocal if your debugger can't find static symbols */
+
+#define FAR
+
+typedef unsigned char uch;
+typedef uch FAR uchf;
+typedef unsigned short ush;
+typedef ush FAR ushf;
+typedef unsigned long ulg;
+
+extern char *z_errmsg[]; /* indexed by 1-zlib_error */
+
+#define ERR_RETURN(strm,err) return (strm->msg=z_errmsg[1-err], err)
+/* To be used only when the state is known to be valid */
+
+#ifndef NULL
+#define NULL ((void *) 0)
+#endif
+
+ /* common constants */
+
+#define DEFLATED 8
+
+#ifndef DEF_WBITS
+# define DEF_WBITS MAX_WBITS
+#endif
+/* default windowBits for decompression. MAX_WBITS is for compression only */
+
+#if MAX_MEM_LEVEL >= 8
+# define DEF_MEM_LEVEL 8
+#else
+# define DEF_MEM_LEVEL MAX_MEM_LEVEL
+#endif
+/* default memLevel */
+
+#define STORED_BLOCK 0
+#define STATIC_TREES 1
+#define DYN_TREES 2
+/* The three kinds of block type */
+
+#define MIN_MATCH 3
+#define MAX_MATCH 258
+/* The minimum and maximum match lengths */
+
+ /* functions */
+
+extern void *memcpy(void *, const void *, unsigned long);
+#define zmemcpy memcpy
+
+/* Diagnostic functions */
+#ifdef DEBUG_ZLIB
+# include <stdio.h>
+# ifndef verbose
+# define verbose 0
+# endif
+# define Assert(cond,msg) {if(!(cond)) z_error(msg);}
+# define Trace(x) fprintf x
+# define Tracev(x) {if (verbose) fprintf x ;}
+# define Tracevv(x) {if (verbose>1) fprintf x ;}
+# define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
+# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
+#else
+# define Assert(cond,msg)
+# define Trace(x)
+# define Tracev(x)
+# define Tracevv(x)
+# define Tracec(c,x)
+# define Tracecv(c,x)
+#endif
+
+
+typedef uLong (*check_func) OF((uLong check, Bytef *buf, uInt len));
+
+/* voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size)); */
+/* void zcfree OF((voidpf opaque, voidpf ptr)); */
+
+#define ZALLOC(strm, items, size) \
+ (*((strm)->zalloc))((strm)->opaque, (items), (size))
+#define ZFREE(strm, addr, size) \
+ (*((strm)->zfree))((strm)->opaque, (voidpf)(addr), (size))
+#define TRY_FREE(s, p, n) {if (p) ZFREE(s, p, n);}
+
+/* deflate.h -- internal compression state
+ * Copyright (C) 1995 Jean-loup Gailly
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+/* WARNING: this file should *not* be used by applications. It is
+ part of the implementation of the compression library and is
+ subject to change. Applications should only use zlib.h.
+ */
+
+/*+++++*/
+/* infblock.h -- header to use infblock.c
+ * Copyright (C) 1995 Mark Adler
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+/* WARNING: this file should *not* be used by applications. It is
+ part of the implementation of the compression library and is
+ subject to change. Applications should only use zlib.h.
+ */
+
+struct inflate_blocks_state;
+typedef struct inflate_blocks_state FAR inflate_blocks_statef;
+
+local inflate_blocks_statef * inflate_blocks_new OF((
+ z_stream *z,
+ check_func c, /* check function */
+ uInt w)); /* window size */
+
+local int inflate_blocks OF((
+ inflate_blocks_statef *,
+ z_stream *,
+ int)); /* initial return code */
+
+local void inflate_blocks_reset OF((
+ inflate_blocks_statef *,
+ z_stream *,
+ uLongf *)); /* check value on output */
+
+local int inflate_blocks_free OF((
+ inflate_blocks_statef *,
+ z_stream *,
+ uLongf *)); /* check value on output */
+
+local int inflate_addhistory OF((
+ inflate_blocks_statef *,
+ z_stream *));
+
+local int inflate_packet_flush OF((
+ inflate_blocks_statef *));
+
+/*+++++*/
+/* inftrees.h -- header to use inftrees.c
+ * Copyright (C) 1995 Mark Adler
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+/* WARNING: this file should *not* be used by applications. It is
+ part of the implementation of the compression library and is
+ subject to change. Applications should only use zlib.h.
+ */
+
+/* Huffman code lookup table entry--this entry is four bytes for machines
+ that have 16-bit pointers (e.g. PC's in the small or medium model). */
+
+typedef struct inflate_huft_s FAR inflate_huft;
+
+struct inflate_huft_s {
+ union {
+ struct {
+ Byte Exop; /* number of extra bits or operation */
+ Byte Bits; /* number of bits in this code or subcode */
+ } what;
+ uInt Nalloc; /* number of these allocated here */
+ Bytef *pad; /* pad structure to a power of 2 (4 bytes for */
+ } word; /* 16-bit, 8 bytes for 32-bit machines) */
+ union {
+ uInt Base; /* literal, length base, or distance base */
+ inflate_huft *Next; /* pointer to next level of table */
+ } more;
+};
+
+#ifdef DEBUG_ZLIB
+ local uInt inflate_hufts;
+#endif
+
+local int inflate_trees_bits OF((
+ uIntf *, /* 19 code lengths */
+ uIntf *, /* bits tree desired/actual depth */
+ inflate_huft * FAR *, /* bits tree result */
+ z_stream *)); /* for zalloc, zfree functions */
+
+local int inflate_trees_dynamic OF((
+ uInt, /* number of literal/length codes */
+ uInt, /* number of distance codes */
+ uIntf *, /* that many (total) code lengths */
+ uIntf *, /* literal desired/actual bit depth */
+ uIntf *, /* distance desired/actual bit depth */
+ inflate_huft * FAR *, /* literal/length tree result */
+ inflate_huft * FAR *, /* distance tree result */
+ z_stream *)); /* for zalloc, zfree functions */
+
+local int inflate_trees_fixed OF((
+ uIntf *, /* literal desired/actual bit depth */
+ uIntf *, /* distance desired/actual bit depth */
+ inflate_huft * FAR *, /* literal/length tree result */
+ inflate_huft * FAR *)); /* distance tree result */
+
+local int inflate_trees_free OF((
+ inflate_huft *, /* tables to free */
+ z_stream *)); /* for zfree function */
+
+
+/*+++++*/
+/* infcodes.h -- header to use infcodes.c
+ * Copyright (C) 1995 Mark Adler
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+/* WARNING: this file should *not* be used by applications. It is
+ part of the implementation of the compression library and is
+ subject to change. Applications should only use zlib.h.
+ */
+
+struct inflate_codes_state;
+typedef struct inflate_codes_state FAR inflate_codes_statef;
+
+local inflate_codes_statef *inflate_codes_new OF((
+ uInt, uInt,
+ inflate_huft *, inflate_huft *,
+ z_stream *));
+
+local int inflate_codes OF((
+ inflate_blocks_statef *,
+ z_stream *,
+ int));
+
+local void inflate_codes_free OF((
+ inflate_codes_statef *,
+ z_stream *));
+
+
+/*+++++*/
+/* inflate.c -- zlib interface to inflate modules
+ * Copyright (C) 1995 Mark Adler
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+/* inflate private state */
+struct internal_state {
+
+ /* mode */
+ enum {
+ METHOD, /* waiting for method byte */
+ FLAG, /* waiting for flag byte */
+ BLOCKS, /* decompressing blocks */
+ CHECK4, /* four check bytes to go */
+ CHECK3, /* three check bytes to go */
+ CHECK2, /* two check bytes to go */
+ CHECK1, /* one check byte to go */
+ DONE, /* finished check, done */
+ BAD} /* got an error--stay here */
+ mode; /* current inflate mode */
+
+ /* mode dependent information */
+ union {
+ uInt method; /* if FLAGS, method byte */
+ struct {
+ uLong was; /* computed check value */
+ uLong need; /* stream check value */
+ } check; /* if CHECK, check values to compare */
+ uInt marker; /* if BAD, inflateSync's marker bytes count */
+ } sub; /* submode */
+
+ /* mode independent information */
+ int nowrap; /* flag for no wrapper */
+ uInt wbits; /* log2(window size) (8..15, defaults to 15) */
+ inflate_blocks_statef
+ *blocks; /* current inflate_blocks state */
+
+};
+
+
+int inflateReset(
+ z_stream *z
+)
+{
+ uLong c;
+
+ if (z == Z_NULL || z->state == Z_NULL)
+ return Z_STREAM_ERROR;
+ z->total_in = z->total_out = 0;
+ z->msg = Z_NULL;
+ z->state->mode = z->state->nowrap ? BLOCKS : METHOD;
+ inflate_blocks_reset(z->state->blocks, z, &c);
+ Trace((stderr, "inflate: reset\n"));
+ return Z_OK;
+}
+
+
+int inflateEnd(
+ z_stream *z
+)
+{
+ uLong c;
+
+ if (z == Z_NULL || z->state == Z_NULL || z->zfree == Z_NULL)
+ return Z_STREAM_ERROR;
+ if (z->state->blocks != Z_NULL)
+ inflate_blocks_free(z->state->blocks, z, &c);
+ ZFREE(z, z->state, sizeof(struct internal_state));
+ z->state = Z_NULL;
+ Trace((stderr, "inflate: end\n"));
+ return Z_OK;
+}
+
+
+int inflateInit2(
+ z_stream *z,
+ int w
+)
+{
+ /* initialize state */
+ if (z == Z_NULL)
+ return Z_STREAM_ERROR;
+/* if (z->zalloc == Z_NULL) z->zalloc = zcalloc; */
+/* if (z->zfree == Z_NULL) z->zfree = zcfree; */
+ if ((z->state = (struct internal_state FAR *)
+ ZALLOC(z,1,sizeof(struct internal_state))) == Z_NULL)
+ return Z_MEM_ERROR;
+ z->state->blocks = Z_NULL;
+
+ /* handle undocumented nowrap option (no zlib header or check) */
+ z->state->nowrap = 0;
+ if (w < 0)
+ {
+ w = - w;
+ z->state->nowrap = 1;
+ }
+
+ /* set window size */
+ if (w < 8 || w > 15)
+ {
+ inflateEnd(z);
+ return Z_STREAM_ERROR;
+ }
+ z->state->wbits = (uInt)w;
+
+ /* create inflate_blocks state */
+ if ((z->state->blocks =
+ inflate_blocks_new(z, z->state->nowrap ? Z_NULL : adler32, 1 << w))
+ == Z_NULL)
+ {
+ inflateEnd(z);
+ return Z_MEM_ERROR;
+ }
+ Trace((stderr, "inflate: allocated\n"));
+
+ /* reset state */
+ inflateReset(z);
+ return Z_OK;
+}
+
+
+int inflateInit(
+ z_stream *z
+)
+{
+ return inflateInit2(z, DEF_WBITS);
+}
+
+
+#define NEEDBYTE {if(z->avail_in==0)goto empty;r=Z_OK;}
+#define NEXTBYTE (z->avail_in--,z->total_in++,*z->next_in++)
+
+int inflate(
+ z_stream *z,
+ int f
+)
+{
+ int r;
+ uInt b;
+
+ if (z == Z_NULL || z->next_in == Z_NULL)
+ return Z_STREAM_ERROR;
+ r = Z_BUF_ERROR;
+ while (1) switch (z->state->mode)
+ {
+ case METHOD:
+ NEEDBYTE
+ if (((z->state->sub.method = NEXTBYTE) & 0xf) != DEFLATED)
+ {
+ z->state->mode = BAD;
+ z->msg = "unknown compression method";
+ z->state->sub.marker = 5; /* can't try inflateSync */
+ break;
+ }
+ if ((z->state->sub.method >> 4) + 8 > z->state->wbits)
+ {
+ z->state->mode = BAD;
+ z->msg = "invalid window size";
+ z->state->sub.marker = 5; /* can't try inflateSync */
+ break;
+ }
+ z->state->mode = FLAG;
+ case FLAG:
+ NEEDBYTE
+ if ((b = NEXTBYTE) & 0x20)
+ {
+ z->state->mode = BAD;
+ z->msg = "invalid reserved bit";
+ z->state->sub.marker = 5; /* can't try inflateSync */
+ break;
+ }
+ if (((z->state->sub.method << 8) + b) % 31)
+ {
+ z->state->mode = BAD;
+ z->msg = "incorrect header check";
+ z->state->sub.marker = 5; /* can't try inflateSync */
+ break;
+ }
+ Trace((stderr, "inflate: zlib header ok\n"));
+ z->state->mode = BLOCKS;
+ case BLOCKS:
+ r = inflate_blocks(z->state->blocks, z, r);
+ if (f == Z_PACKET_FLUSH && z->avail_in == 0 && z->avail_out != 0)
+ r = inflate_packet_flush(z->state->blocks);
+ if (r == Z_DATA_ERROR)
+ {
+ z->state->mode = BAD;
+ z->state->sub.marker = 0; /* can try inflateSync */
+ break;
+ }
+ if (r != Z_STREAM_END)
+ return r;
+ r = Z_OK;
+ inflate_blocks_reset(z->state->blocks, z, &z->state->sub.check.was);
+ if (z->state->nowrap)
+ {
+ z->state->mode = DONE;
+ break;
+ }
+ z->state->mode = CHECK4;
+ case CHECK4:
+ NEEDBYTE
+ z->state->sub.check.need = (uLong)NEXTBYTE << 24;
+ z->state->mode = CHECK3;
+ case CHECK3:
+ NEEDBYTE
+ z->state->sub.check.need += (uLong)NEXTBYTE << 16;
+ z->state->mode = CHECK2;
+ case CHECK2:
+ NEEDBYTE
+ z->state->sub.check.need += (uLong)NEXTBYTE << 8;
+ z->state->mode = CHECK1;
+ case CHECK1:
+ NEEDBYTE
+ z->state->sub.check.need += (uLong)NEXTBYTE;
+
+ if (z->state->sub.check.was != z->state->sub.check.need)
+ {
+ z->state->mode = BAD;
+ z->msg = "incorrect data check";
+ z->state->sub.marker = 5; /* can't try inflateSync */
+ break;
+ }
+ Trace((stderr, "inflate: zlib check ok\n"));
+ z->state->mode = DONE;
+ case DONE:
+ return Z_STREAM_END;
+ case BAD:
+ return Z_DATA_ERROR;
+ default:
+ return Z_STREAM_ERROR;
+ }
+
+ empty:
+ if (f != Z_PACKET_FLUSH)
+ return r;
+ z->state->mode = BAD;
+ z->state->sub.marker = 0; /* can try inflateSync */
+ return Z_DATA_ERROR;
+}
+
+/*
+ * This subroutine adds the data at next_in/avail_in to the output history
+ * without performing any output. The output buffer must be "caught up";
+ * i.e. no pending output (hence s->read equals s->write), and the state must
+ * be BLOCKS (i.e. we should be willing to see the start of a series of
+ * BLOCKS). On exit, the output will also be caught up, and the checksum
+ * will have been updated if need be.
+ */
+
+int inflateIncomp(
+ z_stream *z
+)
+{
+ if (z->state->mode != BLOCKS)
+ return Z_DATA_ERROR;
+ return inflate_addhistory(z->state->blocks, z);
+}
+
+
+int inflateSync(
+ z_stream *z
+)
+{
+ uInt n; /* number of bytes to look at */
+ Bytef *p; /* pointer to bytes */
+ uInt m; /* number of marker bytes found in a row */
+ uLong r, w; /* temporaries to save total_in and total_out */
+
+ /* set up */
+ if (z == Z_NULL || z->state == Z_NULL)
+ return Z_STREAM_ERROR;
+ if (z->state->mode != BAD)
+ {
+ z->state->mode = BAD;
+ z->state->sub.marker = 0;
+ }
+ if ((n = z->avail_in) == 0)
+ return Z_BUF_ERROR;
+ p = z->next_in;
+ m = z->state->sub.marker;
+
+ /* search */
+ while (n && m < 4)
+ {
+ if (*p == (Byte)(m < 2 ? 0 : 0xff))
+ m++;
+ else if (*p)
+ m = 0;
+ else
+ m = 4 - m;
+ p++, n--;
+ }
+
+ /* restore */
+ z->total_in += p - z->next_in;
+ z->next_in = p;
+ z->avail_in = n;
+ z->state->sub.marker = m;
+
+ /* return no joy or set up to restart on a new block */
+ if (m != 4)
+ return Z_DATA_ERROR;
+ r = z->total_in; w = z->total_out;
+ inflateReset(z);
+ z->total_in = r; z->total_out = w;
+ z->state->mode = BLOCKS;
+ return Z_OK;
+}
+
+#undef NEEDBYTE
+#undef NEXTBYTE
+
+/*+++++*/
+/* infutil.h -- types and macros common to blocks and codes
+ * Copyright (C) 1995 Mark Adler
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+/* WARNING: this file should *not* be used by applications. It is
+ part of the implementation of the compression library and is
+ subject to change. Applications should only use zlib.h.
+ */
+
+/* inflate blocks semi-private state */
+struct inflate_blocks_state {
+
+ /* mode */
+ enum {
+ TYPE, /* get type bits (3, including end bit) */
+ LENS, /* get lengths for stored */
+ STORED, /* processing stored block */
+ TABLE, /* get table lengths */
+ BTREE, /* get bit lengths tree for a dynamic block */
+ DTREE, /* get length, distance trees for a dynamic block */
+ CODES, /* processing fixed or dynamic block */
+ DRY, /* output remaining window bytes */
+ DONEB, /* finished last block, done */
+ BADB} /* got a data error--stuck here */
+ mode; /* current inflate_block mode */
+
+ /* mode dependent information */
+ union {
+ uInt left; /* if STORED, bytes left to copy */
+ struct {
+ uInt table; /* table lengths (14 bits) */
+ uInt index; /* index into blens (or border) */
+ uIntf *blens; /* bit lengths of codes */
+ uInt bb; /* bit length tree depth */
+ inflate_huft *tb; /* bit length decoding tree */
+ int nblens; /* # elements allocated at blens */
+ } trees; /* if DTREE, decoding info for trees */
+ struct {
+ inflate_huft *tl, *td; /* trees to free */
+ inflate_codes_statef
+ *codes;
+ } decode; /* if CODES, current state */
+ } sub; /* submode */
+ uInt last; /* true if this block is the last block */
+
+ /* mode independent information */
+ uInt bitk; /* bits in bit buffer */
+ uLong bitb; /* bit buffer */
+ Bytef *window; /* sliding window */
+ Bytef *end; /* one byte after sliding window */
+ Bytef *read; /* window read pointer */
+ Bytef *write; /* window write pointer */
+ check_func checkfn; /* check function */
+ uLong check; /* check on output */
+
+};
+
+
+/* defines for inflate input/output */
+/* update pointers and return */
+#define UPDBITS {s->bitb=b;s->bitk=k;}
+#define UPDIN {z->avail_in=n;z->total_in+=p-z->next_in;z->next_in=p;}
+#define UPDOUT {s->write=q;}
+#define UPDATE {UPDBITS UPDIN UPDOUT}
+#define LEAVE {UPDATE return inflate_flush(s,z,r);}
+/* get bytes and bits */
+#define LOADIN {p=z->next_in;n=z->avail_in;b=s->bitb;k=s->bitk;}
+#define NEEDBYTE {if(n)r=Z_OK;else LEAVE}
+#define NEXTBYTE (n--,*p++)
+#define NEEDBITS(j) {while(k<(j)){NEEDBYTE;b|=((uLong)NEXTBYTE)<<k;k+=8;}}
+#define DUMPBITS(j) {b>>=(j);k-=(j);}
+/* output bytes */
+#define WAVAIL (q<s->read?s->read-q-1:s->end-q)
+#define LOADOUT {q=s->write;m=WAVAIL;}
+#define WRAP {if(q==s->end&&s->read!=s->window){q=s->window;m=WAVAIL;}}
+#define FLUSH {UPDOUT r=inflate_flush(s,z,r); LOADOUT}
+#define NEEDOUT {if(m==0){WRAP if(m==0){FLUSH WRAP if(m==0) LEAVE}}r=Z_OK;}
+#define OUTBYTE(a) {*q++=(Byte)(a);m--;}
+/* load local pointers */
+#define LOAD {LOADIN LOADOUT}
+
+/* And'ing with mask[n] masks the lower n bits */
+local uInt inflate_mask[] = {
+ 0x0000,
+ 0x0001, 0x0003, 0x0007, 0x000f, 0x001f, 0x003f, 0x007f, 0x00ff,
+ 0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, 0xffff
+};
+
+/* copy as much as possible from the sliding window to the output area */
+local int inflate_flush OF((
+ inflate_blocks_statef *,
+ z_stream *,
+ int));
+
+/*+++++*/
+/* inffast.h -- header to use inffast.c
+ * Copyright (C) 1995 Mark Adler
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+/* WARNING: this file should *not* be used by applications. It is
+ part of the implementation of the compression library and is
+ subject to change. Applications should only use zlib.h.
+ */
+
+local int inflate_fast OF((
+ uInt,
+ uInt,
+ inflate_huft *,
+ inflate_huft *,
+ inflate_blocks_statef *,
+ z_stream *));
+
+
+/*+++++*/
+/* infblock.c -- interpret and process block types to last block
+ * Copyright (C) 1995 Mark Adler
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+/* Table for deflate from PKZIP's appnote.txt. */
+local uInt border[] = { /* Order of the bit length code lengths */
+ 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15};
+
+/*
+ Notes beyond the 1.93a appnote.txt:
+
+ 1. Distance pointers never point before the beginning of the output
+ stream.
+ 2. Distance pointers can point back across blocks, up to 32k away.
+ 3. There is an implied maximum of 7 bits for the bit length table and
+ 15 bits for the actual data.
+ 4. If only one code exists, then it is encoded using one bit. (Zero
+ would be more efficient, but perhaps a little confusing.) If two
+ codes exist, they are coded using one bit each (0 and 1).
+ 5. There is no way of sending zero distance codes--a dummy must be
+ sent if there are none. (History: a pre 2.0 version of PKZIP would
+ store blocks with no distance codes, but this was discovered to be
+ too harsh a criterion.) Valid only for 1.93a. 2.04c does allow
+ zero distance codes, which is sent as one code of zero bits in
+ length.
+ 6. There are up to 286 literal/length codes. Code 256 represents the
+ end-of-block. Note however that the static length tree defines
+ 288 codes just to fill out the Huffman codes. Codes 286 and 287
+ cannot be used though, since there is no length base or extra bits
+ defined for them. Similarily, there are up to 30 distance codes.
+ However, static trees define 32 codes (all 5 bits) to fill out the
+ Huffman codes, but the last two had better not show up in the data.
+ 7. Unzip can check dynamic Huffman blocks for complete code sets.
+ The exception is that a single code would not be complete (see #4).
+ 8. The five bits following the block type is really the number of
+ literal codes sent minus 257.
+ 9. Length codes 8,16,16 are interpreted as 13 length codes of 8 bits
+ (1+6+6). Therefore, to output three times the length, you output
+ three codes (1+1+1), whereas to output four times the same length,
+ you only need two codes (1+3). Hmm.
+ 10. In the tree reconstruction algorithm, Code = Code + Increment
+ only if BitLength(i) is not zero. (Pretty obvious.)
+ 11. Correction: 4 Bits: # of Bit Length codes - 4 (4 - 19)
+ 12. Note: length code 284 can represent 227-258, but length code 285
+ really is 258. The last length deserves its own, short code
+ since it gets used a lot in very redundant files. The length
+ 258 is special since 258 - 3 (the min match length) is 255.
+ 13. The literal/length and distance code bit lengths are read as a
+ single stream of lengths. It is possible (and advantageous) for
+ a repeat code (16, 17, or 18) to go across the boundary between
+ the two sets of lengths.
+ */
+
+
+local void inflate_blocks_reset(
+ inflate_blocks_statef *s,
+ z_stream *z,
+ uLongf *c
+)
+{
+ if (s->checkfn != Z_NULL)
+ *c = s->check;
+ if (s->mode == BTREE || s->mode == DTREE)
+ ZFREE(z, s->sub.trees.blens, s->sub.trees.nblens * sizeof(uInt));
+ if (s->mode == CODES)
+ {
+ inflate_codes_free(s->sub.decode.codes, z);
+ inflate_trees_free(s->sub.decode.td, z);
+ inflate_trees_free(s->sub.decode.tl, z);
+ }
+ s->mode = TYPE;
+ s->bitk = 0;
+ s->bitb = 0;
+ s->read = s->write = s->window;
+ if (s->checkfn != Z_NULL)
+ s->check = (*s->checkfn)(0L, Z_NULL, 0);
+ Trace((stderr, "inflate: blocks reset\n"));
+}
+
+
+local inflate_blocks_statef *inflate_blocks_new(
+ z_stream *z,
+ check_func c,
+ uInt w
+)
+{
+ inflate_blocks_statef *s;
+
+ if ((s = (inflate_blocks_statef *)ZALLOC
+ (z,1,sizeof(struct inflate_blocks_state))) == Z_NULL)
+ return s;
+ if ((s->window = (Bytef *)ZALLOC(z, 1, w)) == Z_NULL)
+ {
+ ZFREE(z, s, sizeof(struct inflate_blocks_state));
+ return Z_NULL;
+ }
+ s->end = s->window + w;
+ s->checkfn = c;
+ s->mode = TYPE;
+ Trace((stderr, "inflate: blocks allocated\n"));
+ inflate_blocks_reset(s, z, &s->check);
+ return s;
+}
+
+
+local int inflate_blocks(
+ inflate_blocks_statef *s,
+ z_stream *z,
+ int r
+)
+{
+ uInt t; /* temporary storage */
+ uLong b; /* bit buffer */
+ uInt k; /* bits in bit buffer */
+ Bytef *p; /* input data pointer */
+ uInt n; /* bytes available there */
+ Bytef *q; /* output window write pointer */
+ uInt m; /* bytes to end of window or read pointer */
+
+ /* copy input/output information to locals (UPDATE macro restores) */
+ LOAD
+
+ /* process input based on current state */
+ while (1) switch (s->mode)
+ {
+ case TYPE:
+ NEEDBITS(3)
+ t = (uInt)b & 7;
+ s->last = t & 1;
+ switch (t >> 1)
+ {
+ case 0: /* stored */
+ Trace((stderr, "inflate: stored block%s\n",
+ s->last ? " (last)" : ""));
+ DUMPBITS(3)
+ t = k & 7; /* go to byte boundary */
+ DUMPBITS(t)
+ s->mode = LENS; /* get length of stored block */
+ break;
+ case 1: /* fixed */
+ Trace((stderr, "inflate: fixed codes block%s\n",
+ s->last ? " (last)" : ""));
+ {
+ uInt bl, bd;
+ inflate_huft *tl, *td;
+
+ inflate_trees_fixed(&bl, &bd, &tl, &td);
+ s->sub.decode.codes = inflate_codes_new(bl, bd, tl, td, z);
+ if (s->sub.decode.codes == Z_NULL)
+ {
+ r = Z_MEM_ERROR;
+ LEAVE
+ }
+ s->sub.decode.tl = Z_NULL; /* don't try to free these */
+ s->sub.decode.td = Z_NULL;
+ }
+ DUMPBITS(3)
+ s->mode = CODES;
+ break;
+ case 2: /* dynamic */
+ Trace((stderr, "inflate: dynamic codes block%s\n",
+ s->last ? " (last)" : ""));
+ DUMPBITS(3)
+ s->mode = TABLE;
+ break;
+ case 3: /* illegal */
+ DUMPBITS(3)
+ s->mode = BADB;
+ z->msg = "invalid block type";
+ r = Z_DATA_ERROR;
+ LEAVE
+ }
+ break;
+ case LENS:
+ NEEDBITS(32)
+ if (((~b) >> 16) != (b & 0xffff))
+ {
+ s->mode = BADB;
+ z->msg = "invalid stored block lengths";
+ r = Z_DATA_ERROR;
+ LEAVE
+ }
+ s->sub.left = (uInt)b & 0xffff;
+ b = k = 0; /* dump bits */
+ Tracev((stderr, "inflate: stored length %u\n", s->sub.left));
+ s->mode = s->sub.left ? STORED : TYPE;
+ break;
+ case STORED:
+ if (n == 0)
+ LEAVE
+ NEEDOUT
+ t = s->sub.left;
+ if (t > n) t = n;
+ if (t > m) t = m;
+ zmemcpy(q, p, t);
+ p += t; n -= t;
+ q += t; m -= t;
+ if ((s->sub.left -= t) != 0)
+ break;
+ Tracev((stderr, "inflate: stored end, %lu total out\n",
+ z->total_out + (q >= s->read ? q - s->read :
+ (s->end - s->read) + (q - s->window))));
+ s->mode = s->last ? DRY : TYPE;
+ break;
+ case TABLE:
+ NEEDBITS(14)
+ s->sub.trees.table = t = (uInt)b & 0x3fff;
+#ifndef PKZIP_BUG_WORKAROUND
+ if ((t & 0x1f) > 29 || ((t >> 5) & 0x1f) > 29)
+ {
+ s->mode = BADB;
+ z->msg = "too many length or distance symbols";
+ r = Z_DATA_ERROR;
+ LEAVE
+ }
+#endif
+ t = 258 + (t & 0x1f) + ((t >> 5) & 0x1f);
+ if (t < 19)
+ t = 19;
+ if ((s->sub.trees.blens = (uIntf*)ZALLOC(z, t, sizeof(uInt))) == Z_NULL)
+ {
+ r = Z_MEM_ERROR;
+ LEAVE
+ }
+ s->sub.trees.nblens = t;
+ DUMPBITS(14)
+ s->sub.trees.index = 0;
+ Tracev((stderr, "inflate: table sizes ok\n"));
+ s->mode = BTREE;
+ case BTREE:
+ while (s->sub.trees.index < 4 + (s->sub.trees.table >> 10))
+ {
+ NEEDBITS(3)
+ s->sub.trees.blens[border[s->sub.trees.index++]] = (uInt)b & 7;
+ DUMPBITS(3)
+ }
+ while (s->sub.trees.index < 19)
+ s->sub.trees.blens[border[s->sub.trees.index++]] = 0;
+ s->sub.trees.bb = 7;
+ t = inflate_trees_bits(s->sub.trees.blens, &s->sub.trees.bb,
+ &s->sub.trees.tb, z);
+ if (t != Z_OK)
+ {
+ r = t;
+ if (r == Z_DATA_ERROR)
+ s->mode = BADB;
+ LEAVE
+ }
+ s->sub.trees.index = 0;
+ Tracev((stderr, "inflate: bits tree ok\n"));
+ s->mode = DTREE;
+ case DTREE:
+ while (t = s->sub.trees.table,
+ s->sub.trees.index < 258 + (t & 0x1f) + ((t >> 5) & 0x1f))
+ {
+ inflate_huft *h;
+ uInt i, j, c;
+
+ t = s->sub.trees.bb;
+ NEEDBITS(t)
+ h = s->sub.trees.tb + ((uInt)b & inflate_mask[t]);
+ t = h->word.what.Bits;
+ c = h->more.Base;
+ if (c < 16)
+ {
+ DUMPBITS(t)
+ s->sub.trees.blens[s->sub.trees.index++] = c;
+ }
+ else /* c == 16..18 */
+ {
+ i = c == 18 ? 7 : c - 14;
+ j = c == 18 ? 11 : 3;
+ NEEDBITS(t + i)
+ DUMPBITS(t)
+ j += (uInt)b & inflate_mask[i];
+ DUMPBITS(i)
+ i = s->sub.trees.index;
+ t = s->sub.trees.table;
+ if (i + j > 258 + (t & 0x1f) + ((t >> 5) & 0x1f) ||
+ (c == 16 && i < 1))
+ {
+ s->mode = BADB;
+ z->msg = "invalid bit length repeat";
+ r = Z_DATA_ERROR;
+ LEAVE
+ }
+ c = c == 16 ? s->sub.trees.blens[i - 1] : 0;
+ do {
+ s->sub.trees.blens[i++] = c;
+ } while (--j);
+ s->sub.trees.index = i;
+ }
+ }
+ inflate_trees_free(s->sub.trees.tb, z);
+ s->sub.trees.tb = Z_NULL;
+ {
+ uInt bl, bd;
+ inflate_huft *tl, *td;
+ inflate_codes_statef *c;
+
+ bl = 9; /* must be <= 9 for lookahead assumptions */
+ bd = 6; /* must be <= 9 for lookahead assumptions */
+ t = s->sub.trees.table;
+ t = inflate_trees_dynamic(257 + (t & 0x1f), 1 + ((t >> 5) & 0x1f),
+ s->sub.trees.blens, &bl, &bd, &tl, &td, z);
+ if (t != Z_OK)
+ {
+ if (t == (uInt)Z_DATA_ERROR)
+ s->mode = BADB;
+ r = t;
+ LEAVE
+ }
+ Tracev((stderr, "inflate: trees ok\n"));
+ if ((c = inflate_codes_new(bl, bd, tl, td, z)) == Z_NULL)
+ {
+ inflate_trees_free(td, z);
+ inflate_trees_free(tl, z);
+ r = Z_MEM_ERROR;
+ LEAVE
+ }
+ ZFREE(z, s->sub.trees.blens, s->sub.trees.nblens * sizeof(uInt));
+ s->sub.decode.codes = c;
+ s->sub.decode.tl = tl;
+ s->sub.decode.td = td;
+ }
+ s->mode = CODES;
+ case CODES:
+ UPDATE
+ if ((r = inflate_codes(s, z, r)) != Z_STREAM_END)
+ return inflate_flush(s, z, r);
+ r = Z_OK;
+ inflate_codes_free(s->sub.decode.codes, z);
+ inflate_trees_free(s->sub.decode.td, z);
+ inflate_trees_free(s->sub.decode.tl, z);
+ LOAD
+ Tracev((stderr, "inflate: codes end, %lu total out\n",
+ z->total_out + (q >= s->read ? q - s->read :
+ (s->end - s->read) + (q - s->window))));
+ if (!s->last)
+ {
+ s->mode = TYPE;
+ break;
+ }
+ if (k > 7) /* return unused byte, if any */
+ {
+ Assert(k < 16, "inflate_codes grabbed too many bytes")
+ k -= 8;
+ n++;
+ p--; /* can always return one */
+ }
+ s->mode = DRY;
+ case DRY:
+ FLUSH
+ if (s->read != s->write)
+ LEAVE
+ s->mode = DONEB;
+ case DONEB:
+ r = Z_STREAM_END;
+ LEAVE
+ case BADB:
+ r = Z_DATA_ERROR;
+ LEAVE
+ default:
+ r = Z_STREAM_ERROR;
+ LEAVE
+ }
+}
+
+
+local int inflate_blocks_free(
+ inflate_blocks_statef *s,
+ z_stream *z,
+ uLongf *c
+)
+{
+ inflate_blocks_reset(s, z, c);
+ ZFREE(z, s->window, s->end - s->window);
+ ZFREE(z, s, sizeof(struct inflate_blocks_state));
+ Trace((stderr, "inflate: blocks freed\n"));
+ return Z_OK;
+}
+
+/*
+ * This subroutine adds the data at next_in/avail_in to the output history
+ * without performing any output. The output buffer must be "caught up";
+ * i.e. no pending output (hence s->read equals s->write), and the state must
+ * be BLOCKS (i.e. we should be willing to see the start of a series of
+ * BLOCKS). On exit, the output will also be caught up, and the checksum
+ * will have been updated if need be.
+ */
+local int inflate_addhistory(
+ inflate_blocks_statef *s,
+ z_stream *z
+)
+{
+ uLong b; /* bit buffer */ /* NOT USED HERE */
+ uInt k; /* bits in bit buffer */ /* NOT USED HERE */
+ uInt t; /* temporary storage */
+ Bytef *p; /* input data pointer */
+ uInt n; /* bytes available there */
+ Bytef *q; /* output window write pointer */
+ uInt m; /* bytes to end of window or read pointer */
+
+ if (s->read != s->write)
+ return Z_STREAM_ERROR;
+ if (s->mode != TYPE)
+ return Z_DATA_ERROR;
+
+ /* we're ready to rock */
+ LOAD
+ /* while there is input ready, copy to output buffer, moving
+ * pointers as needed.
+ */
+ while (n) {
+ t = n; /* how many to do */
+ /* is there room until end of buffer? */
+ if (t > m) t = m;
+ /* update check information */
+ if (s->checkfn != Z_NULL)
+ s->check = (*s->checkfn)(s->check, q, t);
+ zmemcpy(q, p, t);
+ q += t;
+ p += t;
+ n -= t;
+ z->total_out += t;
+ s->read = q; /* drag read pointer forward */
+/* WRAP */ /* expand WRAP macro by hand to handle s->read */
+ if (q == s->end) {
+ s->read = q = s->window;
+ m = WAVAIL;
+ }
+ }
+ UPDATE
+ return Z_OK;
+}
+
+
+/*
+ * At the end of a Deflate-compressed PPP packet, we expect to have seen
+ * a `stored' block type value but not the (zero) length bytes.
+ */
+local int inflate_packet_flush(
+ inflate_blocks_statef *s
+)
+{
+ if (s->mode != LENS)
+ return Z_DATA_ERROR;
+ s->mode = TYPE;
+ return Z_OK;
+}
+
+
+/*+++++*/
+/* inftrees.c -- generate Huffman trees for efficient decoding
+ * Copyright (C) 1995 Mark Adler
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+/* simplify the use of the inflate_huft type with some defines */
+#define base more.Base
+#define next more.Next
+#define exop word.what.Exop
+#define bits word.what.Bits
+
+
+local int huft_build OF((
+ uIntf *, /* code lengths in bits */
+ uInt, /* number of codes */
+ uInt, /* number of "simple" codes */
+ uIntf *, /* list of base values for non-simple codes */
+ uIntf *, /* list of extra bits for non-simple codes */
+ inflate_huft * FAR*,/* result: starting table */
+ uIntf *, /* maximum lookup bits (returns actual) */
+ z_stream *)); /* for zalloc function */
+
+local voidpf falloc OF((
+ voidpf, /* opaque pointer (not used) */
+ uInt, /* number of items */
+ uInt)); /* size of item */
+
+local void ffree OF((
+ voidpf q, /* opaque pointer (not used) */
+ voidpf p, /* what to free (not used) */
+ uInt n)); /* number of bytes (not used) */
+
+/* Tables for deflate from PKZIP's appnote.txt. */
+local uInt cplens[] = { /* Copy lengths for literal codes 257..285 */
+ 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
+ 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0};
+ /* actually lengths - 2; also see note #13 above about 258 */
+local uInt cplext[] = { /* Extra bits for literal codes 257..285 */
+ 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2,
+ 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0, 192, 192}; /* 192==invalid */
+local uInt cpdist[] = { /* Copy offsets for distance codes 0..29 */
+ 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
+ 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
+ 8193, 12289, 16385, 24577};
+local uInt cpdext[] = { /* Extra bits for distance codes */
+ 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6,
+ 7, 7, 8, 8, 9, 9, 10, 10, 11, 11,
+ 12, 12, 13, 13};
+
+/*
+ Huffman code decoding is performed using a multi-level table lookup.
+ The fastest way to decode is to simply build a lookup table whose
+ size is determined by the longest code. However, the time it takes
+ to build this table can also be a factor if the data being decoded
+ is not very long. The most common codes are necessarily the
+ shortest codes, so those codes dominate the decoding time, and hence
+ the speed. The idea is you can have a shorter table that decodes the
+ shorter, more probable codes, and then point to subsidiary tables for
+ the longer codes. The time it costs to decode the longer codes is
+ then traded against the time it takes to make longer tables.
+
+ This results of this trade are in the variables lbits and dbits
+ below. lbits is the number of bits the first level table for literal/
+ length codes can decode in one step, and dbits is the same thing for
+ the distance codes. Subsequent tables are also less than or equal to
+ those sizes. These values may be adjusted either when all of the
+ codes are shorter than that, in which case the longest code length in
+ bits is used, or when the shortest code is *longer* than the requested
+ table size, in which case the length of the shortest code in bits is
+ used.
+
+ There are two different values for the two tables, since they code a
+ different number of possibilities each. The literal/length table
+ codes 286 possible values, or in a flat code, a little over eight
+ bits. The distance table codes 30 possible values, or a little less
+ than five bits, flat. The optimum values for speed end up being
+ about one bit more than those, so lbits is 8+1 and dbits is 5+1.
+ The optimum values may differ though from machine to machine, and
+ possibly even between compilers. Your mileage may vary.
+ */
+
+
+/* If BMAX needs to be larger than 16, then h and x[] should be uLong. */
+#define BMAX 15 /* maximum bit length of any code */
+#define N_MAX 288 /* maximum number of codes in any set */
+
+#ifdef DEBUG_ZLIB
+ uInt inflate_hufts;
+#endif
+
+local int huft_build(
+ uIntf *b, /* code lengths in bits (all assumed <= BMAX) */
+ uInt n, /* number of codes (assumed <= N_MAX) */
+ uInt s, /* number of simple-valued codes (0..s-1) */
+ uIntf *d, /* list of base values for non-simple codes */
+ uIntf *e, /* list of extra bits for non-simple codes */
+ inflate_huft * FAR *t, /* result: starting table */
+ uIntf *m, /* maximum lookup bits, returns actual */
+ z_stream *zs /* for zalloc function */
+)
+/* Given a list of code lengths and a maximum table size, make a set of
+ tables to decode that set of codes. Return Z_OK on success, Z_BUF_ERROR
+ if the given code set is incomplete (the tables are still built in this
+ case), Z_DATA_ERROR if the input is invalid (all zero length codes or an
+ over-subscribed set of lengths), or Z_MEM_ERROR if not enough memory. */
+{
+
+ uInt a; /* counter for codes of length k */
+ uInt c[BMAX+1]; /* bit length count table */
+ uInt f; /* i repeats in table every f entries */
+ int g; /* maximum code length */
+ int h; /* table level */
+ register uInt i; /* counter, current code */
+ register uInt j; /* counter */
+ register int k; /* number of bits in current code */
+ int l; /* bits per table (returned in m) */
+ register uIntf *p; /* pointer into c[], b[], or v[] */
+ inflate_huft *q; /* points to current table */
+ struct inflate_huft_s r; /* table entry for structure assignment */
+ inflate_huft *u[BMAX]; /* table stack */
+ uInt v[N_MAX]; /* values in order of bit length */
+ register int w; /* bits before this table == (l * h) */
+ uInt x[BMAX+1]; /* bit offsets, then code stack */
+ uIntf *xp; /* pointer into x */
+ int y; /* number of dummy codes added */
+ uInt z; /* number of entries in current table */
+
+
+ /* Generate counts for each bit length */
+ p = c;
+#define C0 *p++ = 0;
+#define C2 C0 C0 C0 C0
+#define C4 C2 C2 C2 C2
+ C4 /* clear c[]--assume BMAX+1 is 16 */
+ p = b; i = n;
+ do {
+ c[*p++]++; /* assume all entries <= BMAX */
+ } while (--i);
+ if (c[0] == n) /* null input--all zero length codes */
+ {
+ *t = (inflate_huft *)Z_NULL;
+ *m = 0;
+ return Z_OK;
+ }
+
+
+ /* Find minimum and maximum length, bound *m by those */
+ l = *m;
+ for (j = 1; j <= BMAX; j++)
+ if (c[j])
+ break;
+ k = j; /* minimum code length */
+ if ((uInt)l < j)
+ l = j;
+ for (i = BMAX; i; i--)
+ if (c[i])
+ break;
+ g = i; /* maximum code length */
+ if ((uInt)l > i)
+ l = i;
+ *m = l;
+
+
+ /* Adjust last length count to fill out codes, if needed */
+ for (y = 1 << j; j < i; j++, y <<= 1)
+ if ((y -= c[j]) < 0)
+ return Z_DATA_ERROR;
+ if ((y -= c[i]) < 0)
+ return Z_DATA_ERROR;
+ c[i] += y;
+
+
+ /* Generate starting offsets into the value table for each length */
+ x[1] = j = 0;
+ p = c + 1; xp = x + 2;
+ while (--i) { /* note that i == g from above */
+ *xp++ = (j += *p++);
+ }
+
+
+ /* Make a table of values in order of bit lengths */
+ p = b; i = 0;
+ do {
+ if ((j = *p++) != 0)
+ v[x[j]++] = i;
+ } while (++i < n);
+
+
+ /* Generate the Huffman codes and for each, make the table entries */
+ x[0] = i = 0; /* first Huffman code is zero */
+ p = v; /* grab values in bit order */
+ h = -1; /* no tables yet--level -1 */
+ w = -l; /* bits decoded == (l * h) */
+ u[0] = (inflate_huft *)Z_NULL; /* just to keep compilers happy */
+ q = (inflate_huft *)Z_NULL; /* ditto */
+ z = 0; /* ditto */
+
+ /* go through the bit lengths (k already is bits in shortest code) */
+ for (; k <= g; k++)
+ {
+ a = c[k];
+ while (a--)
+ {
+ /* here i is the Huffman code of length k bits for value *p */
+ /* make tables up to required level */
+ while (k > w + l)
+ {
+ h++;
+ w += l; /* previous table always l bits */
+
+ /* compute minimum size table less than or equal to l bits */
+ z = (z = g - w) > (uInt)l ? l : z; /* table size upper limit */
+ if ((f = 1 << (j = k - w)) > a + 1) /* try a k-w bit table */
+ { /* too few codes for k-w bit table */
+ f -= a + 1; /* deduct codes from patterns left */
+ xp = c + k;
+ if (j < z)
+ while (++j < z) /* try smaller tables up to z bits */
+ {
+ if ((f <<= 1) <= *++xp)
+ break; /* enough codes to use up j bits */
+ f -= *xp; /* else deduct codes from patterns */
+ }
+ }
+ z = 1 << j; /* table entries for j-bit table */
+
+ /* allocate and link in new table */
+ if ((q = (inflate_huft *)ZALLOC
+ (zs,z + 1,sizeof(inflate_huft))) == Z_NULL)
+ {
+ if (h)
+ inflate_trees_free(u[0], zs);
+ return Z_MEM_ERROR; /* not enough memory */
+ }
+ q->word.Nalloc = z + 1;
+#ifdef DEBUG_ZLIB
+ inflate_hufts += z + 1;
+#endif
+ *t = q + 1; /* link to list for huft_free() */
+ *(t = &(q->next)) = Z_NULL;
+ u[h] = ++q; /* table starts after link */
+
+ /* connect to last table, if there is one */
+ if (h)
+ {
+ x[h] = i; /* save pattern for backing up */
+ r.bits = (Byte)l; /* bits to dump before this table */
+ r.exop = (Byte)j; /* bits in this table */
+ r.next = q; /* pointer to this table */
+ j = i >> (w - l); /* (get around Turbo C bug) */
+ u[h-1][j] = r; /* connect to last table */
+ }
+ }
+
+ /* set up table entry in r */
+ r.bits = (Byte)(k - w);
+ if (p >= v + n)
+ r.exop = 128 + 64; /* out of values--invalid code */
+ else if (*p < s)
+ {
+ r.exop = (Byte)(*p < 256 ? 0 : 32 + 64); /* 256 is end-of-block */
+ r.base = *p++; /* simple code is just the value */
+ }
+ else
+ {
+ r.exop = (Byte)e[*p - s] + 16 + 64; /* non-simple--look up in lists */
+ r.base = d[*p++ - s];
+ }
+
+ /* fill code-like entries with r */
+ f = 1 << (k - w);
+ for (j = i >> w; j < z; j += f)
+ q[j] = r;
+
+ /* backwards increment the k-bit code i */
+ for (j = 1 << (k - 1); i & j; j >>= 1)
+ i ^= j;
+ i ^= j;
+
+ /* backup over finished tables */
+ while ((i & ((1 << w) - 1)) != x[h])
+ {
+ h--; /* don't need to update q */
+ w -= l;
+ }
+ }
+ }
+
+
+ /* Return Z_BUF_ERROR if we were given an incomplete table */
+ return y != 0 && g != 1 ? Z_BUF_ERROR : Z_OK;
+}
+
+
+local int inflate_trees_bits(
+ uIntf *c, /* 19 code lengths */
+ uIntf *bb, /* bits tree desired/actual depth */
+ inflate_huft * FAR *tb, /* bits tree result */
+ z_stream *z /* for zfree function */
+)
+{
+ int r;
+
+ r = huft_build(c, 19, 19, (uIntf*)Z_NULL, (uIntf*)Z_NULL, tb, bb, z);
+ if (r == Z_DATA_ERROR)
+ z->msg = "oversubscribed dynamic bit lengths tree";
+ else if (r == Z_BUF_ERROR)
+ {
+ inflate_trees_free(*tb, z);
+ z->msg = "incomplete dynamic bit lengths tree";
+ r = Z_DATA_ERROR;
+ }
+ return r;
+}
+
+
+local int inflate_trees_dynamic(
+ uInt nl, /* number of literal/length codes */
+ uInt nd, /* number of distance codes */
+ uIntf *c, /* that many (total) code lengths */
+ uIntf *bl, /* literal desired/actual bit depth */
+ uIntf *bd, /* distance desired/actual bit depth */
+ inflate_huft * FAR *tl, /* literal/length tree result */
+ inflate_huft * FAR *td, /* distance tree result */
+ z_stream *z /* for zfree function */
+)
+{
+ int r;
+
+ /* build literal/length tree */
+ if ((r = huft_build(c, nl, 257, cplens, cplext, tl, bl, z)) != Z_OK)
+ {
+ if (r == Z_DATA_ERROR)
+ z->msg = "oversubscribed literal/length tree";
+ else if (r == Z_BUF_ERROR)
+ {
+ inflate_trees_free(*tl, z);
+ z->msg = "incomplete literal/length tree";
+ r = Z_DATA_ERROR;
+ }
+ return r;
+ }
+
+ /* build distance tree */
+ if ((r = huft_build(c + nl, nd, 0, cpdist, cpdext, td, bd, z)) != Z_OK)
+ {
+ if (r == Z_DATA_ERROR)
+ z->msg = "oversubscribed literal/length tree";
+ else if (r == Z_BUF_ERROR) {
+#ifdef PKZIP_BUG_WORKAROUND
+ r = Z_OK;
+ }
+#else
+ inflate_trees_free(*td, z);
+ z->msg = "incomplete literal/length tree";
+ r = Z_DATA_ERROR;
+ }
+ inflate_trees_free(*tl, z);
+ return r;
+#endif
+ }
+
+ /* done */
+ return Z_OK;
+}
+
+
+/* build fixed tables only once--keep them here */
+local int fixed_lock = 0;
+local int fixed_built = 0;
+#define FIXEDH 530 /* number of hufts used by fixed tables */
+local uInt fixed_left = FIXEDH;
+local inflate_huft fixed_mem[FIXEDH];
+local uInt fixed_bl;
+local uInt fixed_bd;
+local inflate_huft *fixed_tl;
+local inflate_huft *fixed_td;
+
+
+local voidpf falloc(
+ voidpf q, /* opaque pointer (not used) */
+ uInt n, /* number of items */
+ uInt s /* size of item */
+)
+{
+ Assert(s == sizeof(inflate_huft) && n <= fixed_left,
+ "inflate_trees falloc overflow");
+ if (q) s++; /* to make some compilers happy */
+ fixed_left -= n;
+ return (voidpf)(fixed_mem + fixed_left);
+}
+
+
+local void ffree(
+ voidpf q,
+ voidpf p,
+ uInt n
+)
+{
+ Assert(0, "inflate_trees ffree called!");
+ if (q) q = p; /* to make some compilers happy */
+}
+
+
+local int inflate_trees_fixed(
+ uIntf *bl, /* literal desired/actual bit depth */
+ uIntf *bd, /* distance desired/actual bit depth */
+ inflate_huft * FAR *tl, /* literal/length tree result */
+ inflate_huft * FAR *td /* distance tree result */
+)
+{
+ /* build fixed tables if not built already--lock out other instances */
+ while (++fixed_lock > 1)
+ fixed_lock--;
+ if (!fixed_built)
+ {
+ int k; /* temporary variable */
+ unsigned c[288]; /* length list for huft_build */
+ z_stream z; /* for falloc function */
+
+ /* set up fake z_stream for memory routines */
+ z.zalloc = falloc;
+ z.zfree = ffree;
+ z.opaque = Z_NULL;
+
+ /* literal table */
+ for (k = 0; k < 144; k++)
+ c[k] = 8;
+ for (; k < 256; k++)
+ c[k] = 9;
+ for (; k < 280; k++)
+ c[k] = 7;
+ for (; k < 288; k++)
+ c[k] = 8;
+ fixed_bl = 7;
+ huft_build(c, 288, 257, cplens, cplext, &fixed_tl, &fixed_bl, &z);
+
+ /* distance table */
+ for (k = 0; k < 30; k++)
+ c[k] = 5;
+ fixed_bd = 5;
+ huft_build(c, 30, 0, cpdist, cpdext, &fixed_td, &fixed_bd, &z);
+
+ /* done */
+ fixed_built = 1;
+ }
+ fixed_lock--;
+ *bl = fixed_bl;
+ *bd = fixed_bd;
+ *tl = fixed_tl;
+ *td = fixed_td;
+ return Z_OK;
+}
+
+
+local int inflate_trees_free(
+ inflate_huft *t, /* table to free */
+ z_stream *z /* for zfree function */
+)
+/* Free the malloc'ed tables built by huft_build(), which makes a linked
+ list of the tables it made, with the links in a dummy first entry of
+ each table. */
+{
+ register inflate_huft *p, *q;
+
+ /* Go through linked list, freeing from the malloced (t[-1]) address. */
+ p = t;
+ while (p != Z_NULL)
+ {
+ q = (--p)->next;
+ ZFREE(z, p, p->word.Nalloc * sizeof(inflate_huft));
+ p = q;
+ }
+ return Z_OK;
+}
+
+/*+++++*/
+/* infcodes.c -- process literals and length/distance pairs
+ * Copyright (C) 1995 Mark Adler
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+/* simplify the use of the inflate_huft type with some defines */
+#define base more.Base
+#define next more.Next
+#define exop word.what.Exop
+#define bits word.what.Bits
+
+/* inflate codes private state */
+struct inflate_codes_state {
+
+ /* mode */
+ enum { /* waiting for "i:"=input, "o:"=output, "x:"=nothing */
+ START, /* x: set up for LEN */
+ LEN, /* i: get length/literal/eob next */
+ LENEXT, /* i: getting length extra (have base) */
+ DIST, /* i: get distance next */
+ DISTEXT, /* i: getting distance extra */
+ COPY, /* o: copying bytes in window, waiting for space */
+ LIT, /* o: got literal, waiting for output space */
+ WASH, /* o: got eob, possibly still output waiting */
+ END, /* x: got eob and all data flushed */
+ BADCODE} /* x: got error */
+ mode; /* current inflate_codes mode */
+
+ /* mode dependent information */
+ uInt len;
+ union {
+ struct {
+ inflate_huft *tree; /* pointer into tree */
+ uInt need; /* bits needed */
+ } code; /* if LEN or DIST, where in tree */
+ uInt lit; /* if LIT, literal */
+ struct {
+ uInt get; /* bits to get for extra */
+ uInt dist; /* distance back to copy from */
+ } copy; /* if EXT or COPY, where and how much */
+ } sub; /* submode */
+
+ /* mode independent information */
+ Byte lbits; /* ltree bits decoded per branch */
+ Byte dbits; /* dtree bits decoder per branch */
+ inflate_huft *ltree; /* literal/length/eob tree */
+ inflate_huft *dtree; /* distance tree */
+
+};
+
+
+local inflate_codes_statef *inflate_codes_new(
+ uInt bl,
+ uInt bd,
+ inflate_huft *tl,
+ inflate_huft *td,
+ z_stream *z
+)
+{
+ inflate_codes_statef *c;
+
+ if ((c = (inflate_codes_statef *)
+ ZALLOC(z,1,sizeof(struct inflate_codes_state))) != Z_NULL)
+ {
+ c->mode = START;
+ c->lbits = (Byte)bl;
+ c->dbits = (Byte)bd;
+ c->ltree = tl;
+ c->dtree = td;
+ Tracev((stderr, "inflate: codes new\n"));
+ }
+ return c;
+}
+
+
+local int inflate_codes(
+ inflate_blocks_statef *s,
+ z_stream *z,
+ int r
+)
+{
+ uInt j; /* temporary storage */
+ inflate_huft *t; /* temporary pointer */
+ uInt e; /* extra bits or operation */
+ uLong b; /* bit buffer */
+ uInt k; /* bits in bit buffer */
+ Bytef *p; /* input data pointer */
+ uInt n; /* bytes available there */
+ Bytef *q; /* output window write pointer */
+ uInt m; /* bytes to end of window or read pointer */
+ Bytef *f; /* pointer to copy strings from */
+ inflate_codes_statef *c = s->sub.decode.codes; /* codes state */
+
+ /* copy input/output information to locals (UPDATE macro restores) */
+ LOAD
+
+ /* process input and output based on current state */
+ while (1) switch (c->mode)
+ { /* waiting for "i:"=input, "o:"=output, "x:"=nothing */
+ case START: /* x: set up for LEN */
+#ifndef SLOW
+ if (m >= 258 && n >= 10)
+ {
+ UPDATE
+ r = inflate_fast(c->lbits, c->dbits, c->ltree, c->dtree, s, z);
+ LOAD
+ if (r != Z_OK)
+ {
+ c->mode = r == Z_STREAM_END ? WASH : BADCODE;
+ break;
+ }
+ }
+#endif /* !SLOW */
+ c->sub.code.need = c->lbits;
+ c->sub.code.tree = c->ltree;
+ c->mode = LEN;
+ case LEN: /* i: get length/literal/eob next */
+ j = c->sub.code.need;
+ NEEDBITS(j)
+ t = c->sub.code.tree + ((uInt)b & inflate_mask[j]);
+ DUMPBITS(t->bits)
+ e = (uInt)(t->exop);
+ if (e == 0) /* literal */
+ {
+ c->sub.lit = t->base;
+ Tracevv((stderr, t->base >= 0x20 && t->base < 0x7f ?
+ "inflate: literal '%c'\n" :
+ "inflate: literal 0x%02x\n", t->base));
+ c->mode = LIT;
+ break;
+ }
+ if (e & 16) /* length */
+ {
+ c->sub.copy.get = e & 15;
+ c->len = t->base;
+ c->mode = LENEXT;
+ break;
+ }
+ if ((e & 64) == 0) /* next table */
+ {
+ c->sub.code.need = e;
+ c->sub.code.tree = t->next;
+ break;
+ }
+ if (e & 32) /* end of block */
+ {
+ Tracevv((stderr, "inflate: end of block\n"));
+ c->mode = WASH;
+ break;
+ }
+ c->mode = BADCODE; /* invalid code */
+ z->msg = "invalid literal/length code";
+ r = Z_DATA_ERROR;
+ LEAVE
+ case LENEXT: /* i: getting length extra (have base) */
+ j = c->sub.copy.get;
+ NEEDBITS(j)
+ c->len += (uInt)b & inflate_mask[j];
+ DUMPBITS(j)
+ c->sub.code.need = c->dbits;
+ c->sub.code.tree = c->dtree;
+ Tracevv((stderr, "inflate: length %u\n", c->len));
+ c->mode = DIST;
+ case DIST: /* i: get distance next */
+ j = c->sub.code.need;
+ NEEDBITS(j)
+ t = c->sub.code.tree + ((uInt)b & inflate_mask[j]);
+ DUMPBITS(t->bits)
+ e = (uInt)(t->exop);
+ if (e & 16) /* distance */
+ {
+ c->sub.copy.get = e & 15;
+ c->sub.copy.dist = t->base;
+ c->mode = DISTEXT;
+ break;
+ }
+ if ((e & 64) == 0) /* next table */
+ {
+ c->sub.code.need = e;
+ c->sub.code.tree = t->next;
+ break;
+ }
+ c->mode = BADCODE; /* invalid code */
+ z->msg = "invalid distance code";
+ r = Z_DATA_ERROR;
+ LEAVE
+ case DISTEXT: /* i: getting distance extra */
+ j = c->sub.copy.get;
+ NEEDBITS(j)
+ c->sub.copy.dist += (uInt)b & inflate_mask[j];
+ DUMPBITS(j)
+ Tracevv((stderr, "inflate: distance %u\n", c->sub.copy.dist));
+ c->mode = COPY;
+ case COPY: /* o: copying bytes in window, waiting for space */
+#ifndef __TURBOC__ /* Turbo C bug for following expression */
+ f = (uInt)(q - s->window) < c->sub.copy.dist ?
+ s->end - (c->sub.copy.dist - (q - s->window)) :
+ q - c->sub.copy.dist;
+#else
+ f = q - c->sub.copy.dist;
+ if ((uInt)(q - s->window) < c->sub.copy.dist)
+ f = s->end - (c->sub.copy.dist - (q - s->window));
+#endif
+ while (c->len)
+ {
+ NEEDOUT
+ OUTBYTE(*f++)
+ if (f == s->end)
+ f = s->window;
+ c->len--;
+ }
+ c->mode = START;
+ break;
+ case LIT: /* o: got literal, waiting for output space */
+ NEEDOUT
+ OUTBYTE(c->sub.lit)
+ c->mode = START;
+ break;
+ case WASH: /* o: got eob, possibly more output */
+ FLUSH
+ if (s->read != s->write)
+ LEAVE
+ c->mode = END;
+ case END:
+ r = Z_STREAM_END;
+ LEAVE
+ case BADCODE: /* x: got error */
+ r = Z_DATA_ERROR;
+ LEAVE
+ default:
+ r = Z_STREAM_ERROR;
+ LEAVE
+ }
+}
+
+
+local void inflate_codes_free(
+ inflate_codes_statef *c,
+ z_stream *z
+)
+{
+ ZFREE(z, c, sizeof(struct inflate_codes_state));
+ Tracev((stderr, "inflate: codes free\n"));
+}
+
+/*+++++*/
+/* inflate_util.c -- data and routines common to blocks and codes
+ * Copyright (C) 1995 Mark Adler
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+/* copy as much as possible from the sliding window to the output area */
+local int inflate_flush(
+ inflate_blocks_statef *s,
+ z_stream *z,
+ int r
+)
+{
+ uInt n;
+ Bytef *p, *q;
+
+ /* local copies of source and destination pointers */
+ p = z->next_out;
+ q = s->read;
+
+ /* compute number of bytes to copy as far as end of window */
+ n = (uInt)((q <= s->write ? s->write : s->end) - q);
+ if (n > z->avail_out) n = z->avail_out;
+ if (n && r == Z_BUF_ERROR) r = Z_OK;
+
+ /* update counters */
+ z->avail_out -= n;
+ z->total_out += n;
+
+ /* update check information */
+ if (s->checkfn != Z_NULL)
+ s->check = (*s->checkfn)(s->check, q, n);
+
+ /* copy as far as end of window */
+ zmemcpy(p, q, n);
+ p += n;
+ q += n;
+
+ /* see if more to copy at beginning of window */
+ if (q == s->end)
+ {
+ /* wrap pointers */
+ q = s->window;
+ if (s->write == s->end)
+ s->write = s->window;
+
+ /* compute bytes to copy */
+ n = (uInt)(s->write - q);
+ if (n > z->avail_out) n = z->avail_out;
+ if (n && r == Z_BUF_ERROR) r = Z_OK;
+
+ /* update counters */
+ z->avail_out -= n;
+ z->total_out += n;
+
+ /* update check information */
+ if (s->checkfn != Z_NULL)
+ s->check = (*s->checkfn)(s->check, q, n);
+
+ /* copy */
+ zmemcpy(p, q, n);
+ p += n;
+ q += n;
+ }
+
+ /* update pointers */
+ z->next_out = p;
+ s->read = q;
+
+ /* done */
+ return r;
+}
+
+
+/*+++++*/
+/* inffast.c -- process literals and length/distance pairs fast
+ * Copyright (C) 1995 Mark Adler
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+/* simplify the use of the inflate_huft type with some defines */
+#define base more.Base
+#define next more.Next
+#define exop word.what.Exop
+#define bits word.what.Bits
+
+/* macros for bit input with no checking and for returning unused bytes */
+#define GRABBITS(j) {while(k<(j)){b|=((uLong)NEXTBYTE)<<k;k+=8;}}
+#define UNGRAB {n+=(c=k>>3);p-=c;k&=7;}
+
+/* Called with number of bytes left to write in window at least 258
+ (the maximum string length) and number of input bytes available
+ at least ten. The ten bytes are six bytes for the longest length/
+ distance pair plus four bytes for overloading the bit buffer. */
+
+local int inflate_fast(
+ uInt bl,
+ uInt bd,
+ inflate_huft *tl,
+ inflate_huft *td,
+ inflate_blocks_statef *s,
+ z_stream *z
+)
+{
+ inflate_huft *t; /* temporary pointer */
+ uInt e; /* extra bits or operation */
+ uLong b; /* bit buffer */
+ uInt k; /* bits in bit buffer */
+ Bytef *p; /* input data pointer */
+ uInt n; /* bytes available there */
+ Bytef *q; /* output window write pointer */
+ uInt m; /* bytes to end of window or read pointer */
+ uInt ml; /* mask for literal/length tree */
+ uInt md; /* mask for distance tree */
+ uInt c; /* bytes to copy */
+ uInt d; /* distance back to copy from */
+ Bytef *r; /* copy source pointer */
+
+ /* load input, output, bit values */
+ LOAD
+
+ /* initialize masks */
+ ml = inflate_mask[bl];
+ md = inflate_mask[bd];
+
+ /* do until not enough input or output space for fast loop */
+ do { /* assume called with m >= 258 && n >= 10 */
+ /* get literal/length code */
+ GRABBITS(20) /* max bits for literal/length code */
+ if ((e = (t = tl + ((uInt)b & ml))->exop) == 0)
+ {
+ DUMPBITS(t->bits)
+ Tracevv((stderr, t->base >= 0x20 && t->base < 0x7f ?
+ "inflate: * literal '%c'\n" :
+ "inflate: * literal 0x%02x\n", t->base));
+ *q++ = (Byte)t->base;
+ m--;
+ continue;
+ }
+ do {
+ DUMPBITS(t->bits)
+ if (e & 16)
+ {
+ /* get extra bits for length */
+ e &= 15;
+ c = t->base + ((uInt)b & inflate_mask[e]);
+ DUMPBITS(e)
+ Tracevv((stderr, "inflate: * length %u\n", c));
+
+ /* decode distance base of block to copy */
+ GRABBITS(15); /* max bits for distance code */
+ e = (t = td + ((uInt)b & md))->exop;
+ do {
+ DUMPBITS(t->bits)
+ if (e & 16)
+ {
+ /* get extra bits to add to distance base */
+ e &= 15;
+ GRABBITS(e) /* get extra bits (up to 13) */
+ d = t->base + ((uInt)b & inflate_mask[e]);
+ DUMPBITS(e)
+ Tracevv((stderr, "inflate: * distance %u\n", d));
+
+ /* do the copy */
+ m -= c;
+ if ((uInt)(q - s->window) >= d) /* offset before dest */
+ { /* just copy */
+ r = q - d;
+ *q++ = *r++; c--; /* minimum count is three, */
+ *q++ = *r++; c--; /* so unroll loop a little */
+ }
+ else /* else offset after destination */
+ {
+ e = d - (q - s->window); /* bytes from offset to end */
+ r = s->end - e; /* pointer to offset */
+ if (c > e) /* if source crosses, */
+ {
+ c -= e; /* copy to end of window */
+ do {
+ *q++ = *r++;
+ } while (--e);
+ r = s->window; /* copy rest from start of window */
+ }
+ }
+ do { /* copy all or what's left */
+ *q++ = *r++;
+ } while (--c);
+ break;
+ }
+ else if ((e & 64) == 0)
+ e = (t = t->next + ((uInt)b & inflate_mask[e]))->exop;
+ else
+ {
+ z->msg = "invalid distance code";
+ UNGRAB
+ UPDATE
+ return Z_DATA_ERROR;
+ }
+ } while (1);
+ break;
+ }
+ if ((e & 64) == 0)
+ {
+ if ((e = (t = t->next + ((uInt)b & inflate_mask[e]))->exop) == 0)
+ {
+ DUMPBITS(t->bits)
+ Tracevv((stderr, t->base >= 0x20 && t->base < 0x7f ?
+ "inflate: * literal '%c'\n" :
+ "inflate: * literal 0x%02x\n", t->base));
+ *q++ = (Byte)t->base;
+ m--;
+ break;
+ }
+ }
+ else if (e & 32)
+ {
+ Tracevv((stderr, "inflate: * end of block\n"));
+ UNGRAB
+ UPDATE
+ return Z_STREAM_END;
+ }
+ else
+ {
+ z->msg = "invalid literal/length code";
+ UNGRAB
+ UPDATE
+ return Z_DATA_ERROR;
+ }
+ } while (1);
+ } while (m >= 258 && n >= 10);
+
+ /* not enough input or output--restore pointers and return */
+ UNGRAB
+ UPDATE
+ return Z_OK;
+}
+
+
+/*+++++*/
+/* zutil.c -- target dependent utility functions for the compression library
+ * Copyright (C) 1995 Jean-loup Gailly.
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+/* From: zutil.c,v 1.8 1995/05/03 17:27:12 jloup Exp */
+
+char *zlib_version = ZLIB_VERSION;
+
+char *z_errmsg[] = {
+"stream end", /* Z_STREAM_END 1 */
+"", /* Z_OK 0 */
+"file error", /* Z_ERRNO (-1) */
+"stream error", /* Z_STREAM_ERROR (-2) */
+"data error", /* Z_DATA_ERROR (-3) */
+"insufficient memory", /* Z_MEM_ERROR (-4) */
+"buffer error", /* Z_BUF_ERROR (-5) */
+""};
+
+
+/*+++++*/
+/* adler32.c -- compute the Adler-32 checksum of a data stream
+ * Copyright (C) 1995 Mark Adler
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+/* From: adler32.c,v 1.6 1995/05/03 17:27:08 jloup Exp */
+
+#define BASE 65521L /* largest prime smaller than 65536 */
+#define NMAX 5552
+/* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */
+
+#define DO1(buf) {s1 += *buf++; s2 += s1;}
+#define DO2(buf) DO1(buf); DO1(buf);
+#define DO4(buf) DO2(buf); DO2(buf);
+#define DO8(buf) DO4(buf); DO4(buf);
+#define DO16(buf) DO8(buf); DO8(buf);
+
+/* ========================================================================= */
+uLong adler32(
+ uLong adler,
+ Bytef *buf,
+ uInt len
+)
+{
+ unsigned long s1 = adler & 0xffff;
+ unsigned long s2 = (adler >> 16) & 0xffff;
+ int k;
+
+ if (buf == Z_NULL) return 1L;
+
+ while (len > 0) {
+ k = len < NMAX ? len : NMAX;
+ len -= k;
+ while (k >= 16) {
+ DO16(buf);
+ k -= 16;
+ }
+ if (k != 0) do {
+ DO1(buf);
+ } while (--k);
+ s1 %= BASE;
+ s2 %= BASE;
+ }
+ return (s2 << 16) | s1;
+}
diff --git a/arch/ppc64/boot/zlib.h b/arch/ppc64/boot/zlib.h
new file mode 100644
index 0000000..f0b996c
--- /dev/null
+++ b/arch/ppc64/boot/zlib.h
@@ -0,0 +1,432 @@
+/* */
+
+/*
+ * This file is derived from zlib.h and zconf.h from the zlib-0.95
+ * distribution by Jean-loup Gailly and Mark Adler, with some additions
+ * by Paul Mackerras to aid in implementing Deflate compression and
+ * decompression for PPP packets.
+ */
+
+/*
+ * ==FILEVERSION 960122==
+ *
+ * This marker is used by the Linux installation script to determine
+ * whether an up-to-date version of this file is already installed.
+ */
+
+/* zlib.h -- interface of the 'zlib' general purpose compression library
+ version 0.95, Aug 16th, 1995.
+
+ Copyright (C) 1995 Jean-loup Gailly and Mark Adler
+
+ This software is provided 'as-is', without any express or implied
+ warranty. In no event will the authors be held liable for any damages
+ arising from the use of this software.
+
+ Permission is granted to anyone to use this software for any purpose,
+ including commercial applications, and to alter it and redistribute it
+ freely, subject to the following restrictions:
+
+ 1. The origin of this software must not be misrepresented; you must not
+ claim that you wrote the original software. If you use this software
+ in a product, an acknowledgment in the product documentation would be
+ appreciated but is not required.
+ 2. Altered source versions must be plainly marked as such, and must not be
+ misrepresented as being the original software.
+ 3. This notice may not be removed or altered from any source distribution.
+
+ Jean-loup Gailly Mark Adler
+ gzip@prep.ai.mit.edu madler@alumni.caltech.edu
+ */
+
+#ifndef _ZLIB_H
+#define _ZLIB_H
+
+/* #include "zconf.h" */ /* included directly here */
+
+/* zconf.h -- configuration of the zlib compression library
+ * Copyright (C) 1995 Jean-loup Gailly.
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+/* From: zconf.h,v 1.12 1995/05/03 17:27:12 jloup Exp */
+
+/*
+ The library does not install any signal handler. It is recommended to
+ add at least a handler for SIGSEGV when decompressing; the library checks
+ the consistency of the input data whenever possible but may go nuts
+ for some forms of corrupted input.
+ */
+
+/*
+ * Compile with -DMAXSEG_64K if the alloc function cannot allocate more
+ * than 64k bytes at a time (needed on systems with 16-bit int).
+ * Compile with -DUNALIGNED_OK if it is OK to access shorts or ints
+ * at addresses which are not a multiple of their size.
+ * Under DOS, -DFAR=far or -DFAR=__far may be needed.
+ */
+
+#ifndef STDC
+# if defined(MSDOS) || defined(__STDC__) || defined(__cplusplus)
+# define STDC
+# endif
+#endif
+
+#ifdef __MWERKS__ /* Metrowerks CodeWarrior declares fileno() in unix.h */
+# include <unix.h>
+#endif
+
+/* Maximum value for memLevel in deflateInit2 */
+#ifndef MAX_MEM_LEVEL
+# ifdef MAXSEG_64K
+# define MAX_MEM_LEVEL 8
+# else
+# define MAX_MEM_LEVEL 9
+# endif
+#endif
+
+#ifndef FAR
+# define FAR
+#endif
+
+/* Maximum value for windowBits in deflateInit2 and inflateInit2 */
+#ifndef MAX_WBITS
+# define MAX_WBITS 15 /* 32K LZ77 window */
+#endif
+
+/* The memory requirements for deflate are (in bytes):
+ 1 << (windowBits+2) + 1 << (memLevel+9)
+ that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values)
+ plus a few kilobytes for small objects. For example, if you want to reduce
+ the default memory requirements from 256K to 128K, compile with
+ make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
+ Of course this will generally degrade compression (there's no free lunch).
+
+ The memory requirements for inflate are (in bytes) 1 << windowBits
+ that is, 32K for windowBits=15 (default value) plus a few kilobytes
+ for small objects.
+*/
+
+ /* Type declarations */
+
+#ifndef OF /* function prototypes */
+# ifdef STDC
+# define OF(args) args
+# else
+# define OF(args) ()
+# endif
+#endif
+
+typedef unsigned char Byte; /* 8 bits */
+typedef unsigned int uInt; /* 16 bits or more */
+typedef unsigned long uLong; /* 32 bits or more */
+
+typedef Byte FAR Bytef;
+typedef char FAR charf;
+typedef int FAR intf;
+typedef uInt FAR uIntf;
+typedef uLong FAR uLongf;
+
+#ifdef STDC
+ typedef void FAR *voidpf;
+ typedef void *voidp;
+#else
+ typedef Byte FAR *voidpf;
+ typedef Byte *voidp;
+#endif
+
+/* end of original zconf.h */
+
+#define ZLIB_VERSION "0.95P"
+
+/*
+ The 'zlib' compression library provides in-memory compression and
+ decompression functions, including integrity checks of the uncompressed
+ data. This version of the library supports only one compression method
+ (deflation) but other algorithms may be added later and will have the same
+ stream interface.
+
+ For compression the application must provide the output buffer and
+ may optionally provide the input buffer for optimization. For decompression,
+ the application must provide the input buffer and may optionally provide
+ the output buffer for optimization.
+
+ Compression can be done in a single step if the buffers are large
+ enough (for example if an input file is mmap'ed), or can be done by
+ repeated calls of the compression function. In the latter case, the
+ application must provide more input and/or consume the output
+ (providing more output space) before each call.
+*/
+
+typedef voidpf (*alloc_func) OF((voidpf opaque, uInt items, uInt size));
+typedef void (*free_func) OF((voidpf opaque, voidpf address, uInt nbytes));
+
+struct internal_state;
+
+typedef struct z_stream_s {
+ Bytef *next_in; /* next input byte */
+ uInt avail_in; /* number of bytes available at next_in */
+ uLong total_in; /* total nb of input bytes read so far */
+
+ Bytef *next_out; /* next output byte should be put there */
+ uInt avail_out; /* remaining free space at next_out */
+ uLong total_out; /* total nb of bytes output so far */
+
+ char *msg; /* last error message, NULL if no error */
+ struct internal_state FAR *state; /* not visible by applications */
+
+ alloc_func zalloc; /* used to allocate the internal state */
+ free_func zfree; /* used to free the internal state */
+ voidp opaque; /* private data object passed to zalloc and zfree */
+
+ Byte data_type; /* best guess about the data type: ascii or binary */
+
+} z_stream;
+
+/*
+ The application must update next_in and avail_in when avail_in has
+ dropped to zero. It must update next_out and avail_out when avail_out
+ has dropped to zero. The application must initialize zalloc, zfree and
+ opaque before calling the init function. All other fields are set by the
+ compression library and must not be updated by the application.
+
+ The opaque value provided by the application will be passed as the first
+ parameter for calls of zalloc and zfree. This can be useful for custom
+ memory management. The compression library attaches no meaning to the
+ opaque value.
+
+ zalloc must return Z_NULL if there is not enough memory for the object.
+ On 16-bit systems, the functions zalloc and zfree must be able to allocate
+ exactly 65536 bytes, but will not be required to allocate more than this
+ if the symbol MAXSEG_64K is defined (see zconf.h). WARNING: On MSDOS,
+ pointers returned by zalloc for objects of exactly 65536 bytes *must*
+ have their offset normalized to zero. The default allocation function
+ provided by this library ensures this (see zutil.c). To reduce memory
+ requirements and avoid any allocation of 64K objects, at the expense of
+ compression ratio, compile the library with -DMAX_WBITS=14 (see zconf.h).
+
+ The fields total_in and total_out can be used for statistics or
+ progress reports. After compression, total_in holds the total size of
+ the uncompressed data and may be saved for use in the decompressor
+ (particularly if the decompressor wants to decompress everything in
+ a single step).
+*/
+
+ /* constants */
+
+#define Z_NO_FLUSH 0
+#define Z_PARTIAL_FLUSH 1
+#define Z_FULL_FLUSH 2
+#define Z_SYNC_FLUSH 3 /* experimental: partial_flush + byte align */
+#define Z_FINISH 4
+#define Z_PACKET_FLUSH 5
+/* See deflate() below for the usage of these constants */
+
+#define Z_OK 0
+#define Z_STREAM_END 1
+#define Z_ERRNO (-1)
+#define Z_STREAM_ERROR (-2)
+#define Z_DATA_ERROR (-3)
+#define Z_MEM_ERROR (-4)
+#define Z_BUF_ERROR (-5)
+/* error codes for the compression/decompression functions */
+
+#define Z_BEST_SPEED 1
+#define Z_BEST_COMPRESSION 9
+#define Z_DEFAULT_COMPRESSION (-1)
+/* compression levels */
+
+#define Z_FILTERED 1
+#define Z_HUFFMAN_ONLY 2
+#define Z_DEFAULT_STRATEGY 0
+
+#define Z_BINARY 0
+#define Z_ASCII 1
+#define Z_UNKNOWN 2
+/* Used to set the data_type field */
+
+#define Z_NULL 0 /* for initializing zalloc, zfree, opaque */
+
+extern char *zlib_version;
+/* The application can compare zlib_version and ZLIB_VERSION for consistency.
+ If the first character differs, the library code actually used is
+ not compatible with the zlib.h header file used by the application.
+ */
+
+ /* basic functions */
+
+extern int inflateInit OF((z_stream *strm));
+/*
+ Initializes the internal stream state for decompression. The fields
+ zalloc and zfree must be initialized before by the caller. If zalloc and
+ zfree are set to Z_NULL, inflateInit updates them to use default allocation
+ functions.
+
+ inflateInit returns Z_OK if success, Z_MEM_ERROR if there was not
+ enough memory. msg is set to null if there is no error message.
+ inflateInit does not perform any decompression: this will be done by
+ inflate().
+*/
+
+
+extern int inflate OF((z_stream *strm, int flush));
+/*
+ Performs one or both of the following actions:
+
+ - Decompress more input starting at next_in and update next_in and avail_in
+ accordingly. If not all input can be processed (because there is not
+ enough room in the output buffer), next_in is updated and processing
+ will resume at this point for the next call of inflate().
+
+ - Provide more output starting at next_out and update next_out and avail_out
+ accordingly. inflate() always provides as much output as possible
+ (until there is no more input data or no more space in the output buffer).
+
+ Before the call of inflate(), the application should ensure that at least
+ one of the actions is possible, by providing more input and/or consuming
+ more output, and updating the next_* and avail_* values accordingly.
+ The application can consume the uncompressed output when it wants, for
+ example when the output buffer is full (avail_out == 0), or after each
+ call of inflate().
+
+ If the parameter flush is set to Z_PARTIAL_FLUSH or Z_PACKET_FLUSH,
+ inflate flushes as much output as possible to the output buffer. The
+ flushing behavior of inflate is not specified for values of the flush
+ parameter other than Z_PARTIAL_FLUSH, Z_PACKET_FLUSH or Z_FINISH, but the
+ current implementation actually flushes as much output as possible
+ anyway. For Z_PACKET_FLUSH, inflate checks that once all the input data
+ has been consumed, it is expecting to see the length field of a stored
+ block; if not, it returns Z_DATA_ERROR.
+
+ inflate() should normally be called until it returns Z_STREAM_END or an
+ error. However if all decompression is to be performed in a single step
+ (a single call of inflate), the parameter flush should be set to
+ Z_FINISH. In this case all pending input is processed and all pending
+ output is flushed; avail_out must be large enough to hold all the
+ uncompressed data. (The size of the uncompressed data may have been saved
+ by the compressor for this purpose.) The next operation on this stream must
+ be inflateEnd to deallocate the decompression state. The use of Z_FINISH
+ is never required, but can be used to inform inflate that a faster routine
+ may be used for the single inflate() call.
+
+ inflate() returns Z_OK if some progress has been made (more input
+ processed or more output produced), Z_STREAM_END if the end of the
+ compressed data has been reached and all uncompressed output has been
+ produced, Z_DATA_ERROR if the input data was corrupted, Z_STREAM_ERROR if
+ the stream structure was inconsistent (for example if next_in or next_out
+ was NULL), Z_MEM_ERROR if there was not enough memory, Z_BUF_ERROR if no
+ progress is possible or if there was not enough room in the output buffer
+ when Z_FINISH is used. In the Z_DATA_ERROR case, the application may then
+ call inflateSync to look for a good compression block. */
+
+
+extern int inflateEnd OF((z_stream *strm));
+/*
+ All dynamically allocated data structures for this stream are freed.
+ This function discards any unprocessed input and does not flush any
+ pending output.
+
+ inflateEnd returns Z_OK if success, Z_STREAM_ERROR if the stream state
+ was inconsistent. In the error case, msg may be set but then points to a
+ static string (which must not be deallocated).
+*/
+
+ /* advanced functions */
+
+extern int inflateInit2 OF((z_stream *strm,
+ int windowBits));
+/*
+ This is another version of inflateInit with more compression options. The
+ fields next_out, zalloc and zfree must be initialized before by the caller.
+
+ The windowBits parameter is the base two logarithm of the maximum window
+ size (the size of the history buffer). It should be in the range 8..15 for
+ this version of the library (the value 16 will be allowed soon). The
+ default value is 15 if inflateInit is used instead. If a compressed stream
+ with a larger window size is given as input, inflate() will return with
+ the error code Z_DATA_ERROR instead of trying to allocate a larger window.
+
+ If next_out is not null, the library will use this buffer for the history
+ buffer; the buffer must either be large enough to hold the entire output
+ data, or have at least 1<<windowBits bytes. If next_out is null, the
+ library will allocate its own buffer (and leave next_out null). next_in
+ need not be provided here but must be provided by the application for the
+ next call of inflate().
+
+ If the history buffer is provided by the application, next_out must
+ never be changed by the application since the decompressor maintains
+ history information inside this buffer from call to call; the application
+ can only reset next_out to the beginning of the history buffer when
+ avail_out is zero and all output has been consumed.
+
+ inflateInit2 returns Z_OK if success, Z_MEM_ERROR if there was
+ not enough memory, Z_STREAM_ERROR if a parameter is invalid (such as
+ windowBits < 8). msg is set to null if there is no error message.
+ inflateInit2 does not perform any decompression: this will be done by
+ inflate().
+*/
+
+extern int inflateSync OF((z_stream *strm));
+/*
+ Skips invalid compressed data until the special marker (see deflate()
+ above) can be found, or until all available input is skipped. No output
+ is provided.
+
+ inflateSync returns Z_OK if the special marker has been found, Z_BUF_ERROR
+ if no more input was provided, Z_DATA_ERROR if no marker has been found,
+ or Z_STREAM_ERROR if the stream structure was inconsistent. In the success
+ case, the application may save the current current value of total_in which
+ indicates where valid compressed data was found. In the error case, the
+ application may repeatedly call inflateSync, providing more input each time,
+ until success or end of the input data.
+*/
+
+extern int inflateReset OF((z_stream *strm));
+/*
+ This function is equivalent to inflateEnd followed by inflateInit,
+ but does not free and reallocate all the internal decompression state.
+ The stream will keep attributes that may have been set by inflateInit2.
+
+ inflateReset returns Z_OK if success, or Z_STREAM_ERROR if the source
+ stream state was inconsistent (such as zalloc or state being NULL).
+*/
+
+extern int inflateIncomp OF((z_stream *strm));
+/*
+ This function adds the data at next_in (avail_in bytes) to the output
+ history without performing any output. There must be no pending output,
+ and the decompressor must be expecting to see the start of a block.
+ Calling this function is equivalent to decompressing a stored block
+ containing the data at next_in (except that the data is not output).
+*/
+
+ /* checksum functions */
+
+/*
+ This function is not related to compression but is exported
+ anyway because it might be useful in applications using the
+ compression library.
+*/
+
+extern uLong adler32 OF((uLong adler, Bytef *buf, uInt len));
+
+/*
+ Update a running Adler-32 checksum with the bytes buf[0..len-1] and
+ return the updated checksum. If buf is NULL, this function returns
+ the required initial value for the checksum.
+ An Adler-32 checksum is almost as reliable as a CRC32 but can be computed
+ much faster. Usage example:
+
+ uLong adler = adler32(0L, Z_NULL, 0);
+
+ while (read_buffer(buffer, length) != EOF) {
+ adler = adler32(adler, buffer, length);
+ }
+ if (adler != original_adler) error();
+*/
+
+#ifndef _Z_UTIL_H
+ struct internal_state {int dummy;}; /* hack for buggy compilers */
+#endif
+
+#endif /* _ZLIB_H */
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