From 708d4f09647106d549c646dc459c7ccf2c237cc8 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Sat, 29 Nov 2008 22:15:38 -0800 Subject: sparc: prepare prom/ for unification - rename files where sparc64 uses identical names to *_32.c - refactor Makefile (but keep linking order) Signed-off-by: Sam Ravnborg Signed-off-by: David S. Miller diff --git a/arch/sparc/prom/Makefile b/arch/sparc/prom/Makefile index 8f7e185..74ca9cc 100644 --- a/arch/sparc/prom/Makefile +++ b/arch/sparc/prom/Makefile @@ -2,5 +2,16 @@ # Linux. # -lib-y := bootstr.o devmap.o devops.o init.o memory.o misc.o mp.o \ - palloc.o ranges.o segment.o console.o printf.o tree.o +lib-y := bootstr_$(BITS).o +lib-$(CONFIG_SPARC32) += devmap.o +lib-y += devops_$(BITS).o +lib-y += init_$(BITS).o +lib-$(CONFIG_SPARC32) += memory.o +lib-y += misc_$(BITS).o +lib-$(CONFIG_SPARC32) += mp.o +lib-$(CONFIG_SPARC32) += palloc.o +lib-$(CONFIG_SPARC32) += ranges.o +lib-$(CONFIG_SPARC32) += segment.o +lib-y += console_$(BITS).o +lib-y += printf_$(BITS).o +lib-y += tree_$(BITS).o diff --git a/arch/sparc/prom/bootstr.c b/arch/sparc/prom/bootstr.c deleted file mode 100644 index 916831d..0000000 --- a/arch/sparc/prom/bootstr.c +++ /dev/null @@ -1,59 +0,0 @@ -/* - * bootstr.c: Boot string/argument acquisition from the PROM. - * - * Copyright(C) 1995 David S. Miller (davem@caip.rutgers.edu) - */ - -#include -#include -#include - -#define BARG_LEN 256 -static char barg_buf[BARG_LEN] = { 0 }; -static char fetched __initdata = 0; - -char * __init -prom_getbootargs(void) -{ - int iter; - char *cp, *arg; - - /* This check saves us from a panic when bootfd patches args. */ - if (fetched) { - return barg_buf; - } - - switch(prom_vers) { - case PROM_V0: - cp = barg_buf; - /* Start from 1 and go over fd(0,0,0)kernel */ - for(iter = 1; iter < 8; iter++) { - arg = (*(romvec->pv_v0bootargs))->argv[iter]; - if(arg == 0) break; - while(*arg != 0) { - /* Leave place for space and null. */ - if(cp >= barg_buf + BARG_LEN-2){ - /* We might issue a warning here. */ - break; - } - *cp++ = *arg++; - } - *cp++ = ' '; - } - *cp = 0; - break; - case PROM_V2: - case PROM_V3: - /* - * V3 PROM cannot supply as with more than 128 bytes - * of an argument. But a smart bootstrap loader can. - */ - strlcpy(barg_buf, *romvec->pv_v2bootargs.bootargs, sizeof(barg_buf)); - break; - default: - break; - } - - fetched = 1; - return barg_buf; -} diff --git a/arch/sparc/prom/bootstr_32.c b/arch/sparc/prom/bootstr_32.c new file mode 100644 index 0000000..916831d --- /dev/null +++ b/arch/sparc/prom/bootstr_32.c @@ -0,0 +1,59 @@ +/* + * bootstr.c: Boot string/argument acquisition from the PROM. + * + * Copyright(C) 1995 David S. Miller (davem@caip.rutgers.edu) + */ + +#include +#include +#include + +#define BARG_LEN 256 +static char barg_buf[BARG_LEN] = { 0 }; +static char fetched __initdata = 0; + +char * __init +prom_getbootargs(void) +{ + int iter; + char *cp, *arg; + + /* This check saves us from a panic when bootfd patches args. */ + if (fetched) { + return barg_buf; + } + + switch(prom_vers) { + case PROM_V0: + cp = barg_buf; + /* Start from 1 and go over fd(0,0,0)kernel */ + for(iter = 1; iter < 8; iter++) { + arg = (*(romvec->pv_v0bootargs))->argv[iter]; + if(arg == 0) break; + while(*arg != 0) { + /* Leave place for space and null. */ + if(cp >= barg_buf + BARG_LEN-2){ + /* We might issue a warning here. */ + break; + } + *cp++ = *arg++; + } + *cp++ = ' '; + } + *cp = 0; + break; + case PROM_V2: + case PROM_V3: + /* + * V3 PROM cannot supply as with more than 128 bytes + * of an argument. But a smart bootstrap loader can. + */ + strlcpy(barg_buf, *romvec->pv_v2bootargs.bootargs, sizeof(barg_buf)); + break; + default: + break; + } + + fetched = 1; + return barg_buf; +} diff --git a/arch/sparc/prom/console.c b/arch/sparc/prom/console.c deleted file mode 100644 index b3075d7..0000000 --- a/arch/sparc/prom/console.c +++ /dev/null @@ -1,98 +0,0 @@ -/* - * console.c: Routines that deal with sending and receiving IO - * to/from the current console device using the PROM. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 1998 Pete Zaitcev - */ - -#include -#include -#include -#include -#include -#include -#include - -extern void restore_current(void); - -/* Non blocking get character from console input device, returns -1 - * if no input was taken. This can be used for polling. - */ -int -prom_nbgetchar(void) -{ - static char inc; - int i = -1; - unsigned long flags; - - spin_lock_irqsave(&prom_lock, flags); - switch(prom_vers) { - case PROM_V0: - i = (*(romvec->pv_nbgetchar))(); - break; - case PROM_V2: - case PROM_V3: - if( (*(romvec->pv_v2devops).v2_dev_read)(*romvec->pv_v2bootargs.fd_stdin , &inc, 0x1) == 1) { - i = inc; - } else { - i = -1; - } - break; - default: - i = -1; - break; - }; - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - return i; /* Ugh, we could spin forever on unsupported proms ;( */ -} - -/* Non blocking put character to console device, returns -1 if - * unsuccessful. - */ -int -prom_nbputchar(char c) -{ - static char outc; - unsigned long flags; - int i = -1; - - spin_lock_irqsave(&prom_lock, flags); - switch(prom_vers) { - case PROM_V0: - i = (*(romvec->pv_nbputchar))(c); - break; - case PROM_V2: - case PROM_V3: - outc = c; - if( (*(romvec->pv_v2devops).v2_dev_write)(*romvec->pv_v2bootargs.fd_stdout, &outc, 0x1) == 1) - i = 0; - else - i = -1; - break; - default: - i = -1; - break; - }; - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - return i; /* Ugh, we could spin forever on unsupported proms ;( */ -} - -/* Blocking version of get character routine above. */ -char -prom_getchar(void) -{ - int character; - while((character = prom_nbgetchar()) == -1) ; - return (char) character; -} - -/* Blocking version of put character routine above. */ -void -prom_putchar(char c) -{ - while(prom_nbputchar(c) == -1) ; - return; -} diff --git a/arch/sparc/prom/console_32.c b/arch/sparc/prom/console_32.c new file mode 100644 index 0000000..b3075d7 --- /dev/null +++ b/arch/sparc/prom/console_32.c @@ -0,0 +1,98 @@ +/* + * console.c: Routines that deal with sending and receiving IO + * to/from the current console device using the PROM. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + * Copyright (C) 1998 Pete Zaitcev + */ + +#include +#include +#include +#include +#include +#include +#include + +extern void restore_current(void); + +/* Non blocking get character from console input device, returns -1 + * if no input was taken. This can be used for polling. + */ +int +prom_nbgetchar(void) +{ + static char inc; + int i = -1; + unsigned long flags; + + spin_lock_irqsave(&prom_lock, flags); + switch(prom_vers) { + case PROM_V0: + i = (*(romvec->pv_nbgetchar))(); + break; + case PROM_V2: + case PROM_V3: + if( (*(romvec->pv_v2devops).v2_dev_read)(*romvec->pv_v2bootargs.fd_stdin , &inc, 0x1) == 1) { + i = inc; + } else { + i = -1; + } + break; + default: + i = -1; + break; + }; + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + return i; /* Ugh, we could spin forever on unsupported proms ;( */ +} + +/* Non blocking put character to console device, returns -1 if + * unsuccessful. + */ +int +prom_nbputchar(char c) +{ + static char outc; + unsigned long flags; + int i = -1; + + spin_lock_irqsave(&prom_lock, flags); + switch(prom_vers) { + case PROM_V0: + i = (*(romvec->pv_nbputchar))(c); + break; + case PROM_V2: + case PROM_V3: + outc = c; + if( (*(romvec->pv_v2devops).v2_dev_write)(*romvec->pv_v2bootargs.fd_stdout, &outc, 0x1) == 1) + i = 0; + else + i = -1; + break; + default: + i = -1; + break; + }; + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + return i; /* Ugh, we could spin forever on unsupported proms ;( */ +} + +/* Blocking version of get character routine above. */ +char +prom_getchar(void) +{ + int character; + while((character = prom_nbgetchar()) == -1) ; + return (char) character; +} + +/* Blocking version of put character routine above. */ +void +prom_putchar(char c) +{ + while(prom_nbputchar(c) == -1) ; + return; +} diff --git a/arch/sparc/prom/devops.c b/arch/sparc/prom/devops.c deleted file mode 100644 index 9f1a95c..0000000 --- a/arch/sparc/prom/devops.c +++ /dev/null @@ -1,89 +0,0 @@ -/* - * devops.c: Device operations using the PROM. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - */ -#include -#include -#include - -#include -#include - -extern void restore_current(void); - -/* Open the device described by the string 'dstr'. Returns the handle - * to that device used for subsequent operations on that device. - * Returns -1 on failure. - */ -int -prom_devopen(char *dstr) -{ - int handle; - unsigned long flags; - spin_lock_irqsave(&prom_lock, flags); - switch(prom_vers) { - case PROM_V0: - handle = (*(romvec->pv_v0devops.v0_devopen))(dstr); - if(handle == 0) handle = -1; - break; - case PROM_V2: - case PROM_V3: - handle = (*(romvec->pv_v2devops.v2_dev_open))(dstr); - break; - default: - handle = -1; - break; - }; - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - - return handle; -} - -/* Close the device described by device handle 'dhandle'. */ -int -prom_devclose(int dhandle) -{ - unsigned long flags; - spin_lock_irqsave(&prom_lock, flags); - switch(prom_vers) { - case PROM_V0: - (*(romvec->pv_v0devops.v0_devclose))(dhandle); - break; - case PROM_V2: - case PROM_V3: - (*(romvec->pv_v2devops.v2_dev_close))(dhandle); - break; - default: - break; - }; - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - return 0; -} - -/* Seek to specified location described by 'seekhi' and 'seeklo' - * for device 'dhandle'. - */ -void -prom_seek(int dhandle, unsigned int seekhi, unsigned int seeklo) -{ - unsigned long flags; - spin_lock_irqsave(&prom_lock, flags); - switch(prom_vers) { - case PROM_V0: - (*(romvec->pv_v0devops.v0_seekdev))(dhandle, seekhi, seeklo); - break; - case PROM_V2: - case PROM_V3: - (*(romvec->pv_v2devops.v2_dev_seek))(dhandle, seekhi, seeklo); - break; - default: - break; - }; - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - - return; -} diff --git a/arch/sparc/prom/devops_32.c b/arch/sparc/prom/devops_32.c new file mode 100644 index 0000000..9f1a95c --- /dev/null +++ b/arch/sparc/prom/devops_32.c @@ -0,0 +1,89 @@ +/* + * devops.c: Device operations using the PROM. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + */ +#include +#include +#include + +#include +#include + +extern void restore_current(void); + +/* Open the device described by the string 'dstr'. Returns the handle + * to that device used for subsequent operations on that device. + * Returns -1 on failure. + */ +int +prom_devopen(char *dstr) +{ + int handle; + unsigned long flags; + spin_lock_irqsave(&prom_lock, flags); + switch(prom_vers) { + case PROM_V0: + handle = (*(romvec->pv_v0devops.v0_devopen))(dstr); + if(handle == 0) handle = -1; + break; + case PROM_V2: + case PROM_V3: + handle = (*(romvec->pv_v2devops.v2_dev_open))(dstr); + break; + default: + handle = -1; + break; + }; + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + + return handle; +} + +/* Close the device described by device handle 'dhandle'. */ +int +prom_devclose(int dhandle) +{ + unsigned long flags; + spin_lock_irqsave(&prom_lock, flags); + switch(prom_vers) { + case PROM_V0: + (*(romvec->pv_v0devops.v0_devclose))(dhandle); + break; + case PROM_V2: + case PROM_V3: + (*(romvec->pv_v2devops.v2_dev_close))(dhandle); + break; + default: + break; + }; + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + return 0; +} + +/* Seek to specified location described by 'seekhi' and 'seeklo' + * for device 'dhandle'. + */ +void +prom_seek(int dhandle, unsigned int seekhi, unsigned int seeklo) +{ + unsigned long flags; + spin_lock_irqsave(&prom_lock, flags); + switch(prom_vers) { + case PROM_V0: + (*(romvec->pv_v0devops.v0_seekdev))(dhandle, seekhi, seeklo); + break; + case PROM_V2: + case PROM_V3: + (*(romvec->pv_v2devops.v2_dev_seek))(dhandle, seekhi, seeklo); + break; + default: + break; + }; + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + + return; +} diff --git a/arch/sparc/prom/init.c b/arch/sparc/prom/init.c deleted file mode 100644 index 873217c..0000000 --- a/arch/sparc/prom/init.c +++ /dev/null @@ -1,75 +0,0 @@ -/* - * init.c: Initialize internal variables used by the PROM - * library functions. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - */ - -#include -#include - -#include -#include - -struct linux_romvec *romvec; -enum prom_major_version prom_vers; -unsigned int prom_rev, prom_prev; - -/* The root node of the prom device tree. */ -int prom_root_node; - -/* Pointer to the device tree operations structure. */ -struct linux_nodeops *prom_nodeops; - -/* You must call prom_init() before you attempt to use any of the - * routines in the prom library. It returns 0 on success, 1 on - * failure. It gets passed the pointer to the PROM vector. - */ - -extern void prom_meminit(void); -extern void prom_ranges_init(void); - -void __init prom_init(struct linux_romvec *rp) -{ - romvec = rp; - - switch(romvec->pv_romvers) { - case 0: - prom_vers = PROM_V0; - break; - case 2: - prom_vers = PROM_V2; - break; - case 3: - prom_vers = PROM_V3; - break; - default: - prom_printf("PROMLIB: Bad PROM version %d\n", - romvec->pv_romvers); - prom_halt(); - break; - }; - - prom_rev = romvec->pv_plugin_revision; - prom_prev = romvec->pv_printrev; - prom_nodeops = romvec->pv_nodeops; - - prom_root_node = prom_getsibling(0); - if((prom_root_node == 0) || (prom_root_node == -1)) - prom_halt(); - - if((((unsigned long) prom_nodeops) == 0) || - (((unsigned long) prom_nodeops) == -1)) - prom_halt(); - - prom_meminit(); - - prom_ranges_init(); - - printk("PROMLIB: Sun Boot Prom Version %d Revision %d\n", - romvec->pv_romvers, prom_rev); - - /* Initialization successful. */ - return; -} diff --git a/arch/sparc/prom/init_32.c b/arch/sparc/prom/init_32.c new file mode 100644 index 0000000..873217c --- /dev/null +++ b/arch/sparc/prom/init_32.c @@ -0,0 +1,75 @@ +/* + * init.c: Initialize internal variables used by the PROM + * library functions. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + * Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) + */ + +#include +#include + +#include +#include + +struct linux_romvec *romvec; +enum prom_major_version prom_vers; +unsigned int prom_rev, prom_prev; + +/* The root node of the prom device tree. */ +int prom_root_node; + +/* Pointer to the device tree operations structure. */ +struct linux_nodeops *prom_nodeops; + +/* You must call prom_init() before you attempt to use any of the + * routines in the prom library. It returns 0 on success, 1 on + * failure. It gets passed the pointer to the PROM vector. + */ + +extern void prom_meminit(void); +extern void prom_ranges_init(void); + +void __init prom_init(struct linux_romvec *rp) +{ + romvec = rp; + + switch(romvec->pv_romvers) { + case 0: + prom_vers = PROM_V0; + break; + case 2: + prom_vers = PROM_V2; + break; + case 3: + prom_vers = PROM_V3; + break; + default: + prom_printf("PROMLIB: Bad PROM version %d\n", + romvec->pv_romvers); + prom_halt(); + break; + }; + + prom_rev = romvec->pv_plugin_revision; + prom_prev = romvec->pv_printrev; + prom_nodeops = romvec->pv_nodeops; + + prom_root_node = prom_getsibling(0); + if((prom_root_node == 0) || (prom_root_node == -1)) + prom_halt(); + + if((((unsigned long) prom_nodeops) == 0) || + (((unsigned long) prom_nodeops) == -1)) + prom_halt(); + + prom_meminit(); + + prom_ranges_init(); + + printk("PROMLIB: Sun Boot Prom Version %d Revision %d\n", + romvec->pv_romvers, prom_rev); + + /* Initialization successful. */ + return; +} diff --git a/arch/sparc/prom/misc.c b/arch/sparc/prom/misc.c deleted file mode 100644 index 49b5057..0000000 --- a/arch/sparc/prom/misc.c +++ /dev/null @@ -1,131 +0,0 @@ -/* - * misc.c: Miscellaneous prom functions that don't belong - * anywhere else. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - */ - -#include -#include -#include -#include -#include -#include -#include - -extern void restore_current(void); - -DEFINE_SPINLOCK(prom_lock); - -/* Reset and reboot the machine with the command 'bcommand'. */ -void -prom_reboot(char *bcommand) -{ - unsigned long flags; - spin_lock_irqsave(&prom_lock, flags); - (*(romvec->pv_reboot))(bcommand); - /* Never get here. */ - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); -} - -/* Forth evaluate the expression contained in 'fstring'. */ -void -prom_feval(char *fstring) -{ - unsigned long flags; - if(!fstring || fstring[0] == 0) - return; - spin_lock_irqsave(&prom_lock, flags); - if(prom_vers == PROM_V0) - (*(romvec->pv_fortheval.v0_eval))(strlen(fstring), fstring); - else - (*(romvec->pv_fortheval.v2_eval))(fstring); - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); -} - -/* Drop into the prom, with the chance to continue with the 'go' - * prom command. - */ -void -prom_cmdline(void) -{ - extern void install_obp_ticker(void); - extern void install_linux_ticker(void); - unsigned long flags; - - spin_lock_irqsave(&prom_lock, flags); - install_obp_ticker(); - (*(romvec->pv_abort))(); - restore_current(); - install_linux_ticker(); - spin_unlock_irqrestore(&prom_lock, flags); -#ifdef CONFIG_SUN_AUXIO - set_auxio(AUXIO_LED, 0); -#endif -} - -/* Drop into the prom, but completely terminate the program. - * No chance of continuing. - */ -void -prom_halt(void) -{ - unsigned long flags; -again: - spin_lock_irqsave(&prom_lock, flags); - (*(romvec->pv_halt))(); - /* Never get here. */ - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - goto again; /* PROM is out to get me -DaveM */ -} - -typedef void (*sfunc_t)(void); - -/* Set prom sync handler to call function 'funcp'. */ -void -prom_setsync(sfunc_t funcp) -{ - if(!funcp) return; - *romvec->pv_synchook = funcp; -} - -/* Get the idprom and stuff it into buffer 'idbuf'. Returns the - * format type. 'num_bytes' is the number of bytes that your idbuf - * has space for. Returns 0xff on error. - */ -unsigned char -prom_get_idprom(char *idbuf, int num_bytes) -{ - int len; - - len = prom_getproplen(prom_root_node, "idprom"); - if((len>num_bytes) || (len==-1)) return 0xff; - if(!prom_getproperty(prom_root_node, "idprom", idbuf, num_bytes)) - return idbuf[0]; - - return 0xff; -} - -/* Get the major prom version number. */ -int -prom_version(void) -{ - return romvec->pv_romvers; -} - -/* Get the prom plugin-revision. */ -int -prom_getrev(void) -{ - return prom_rev; -} - -/* Get the prom firmware print revision. */ -int -prom_getprev(void) -{ - return prom_prev; -} diff --git a/arch/sparc/prom/misc_32.c b/arch/sparc/prom/misc_32.c new file mode 100644 index 0000000..49b5057 --- /dev/null +++ b/arch/sparc/prom/misc_32.c @@ -0,0 +1,131 @@ +/* + * misc.c: Miscellaneous prom functions that don't belong + * anywhere else. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + */ + +#include +#include +#include +#include +#include +#include +#include + +extern void restore_current(void); + +DEFINE_SPINLOCK(prom_lock); + +/* Reset and reboot the machine with the command 'bcommand'. */ +void +prom_reboot(char *bcommand) +{ + unsigned long flags; + spin_lock_irqsave(&prom_lock, flags); + (*(romvec->pv_reboot))(bcommand); + /* Never get here. */ + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); +} + +/* Forth evaluate the expression contained in 'fstring'. */ +void +prom_feval(char *fstring) +{ + unsigned long flags; + if(!fstring || fstring[0] == 0) + return; + spin_lock_irqsave(&prom_lock, flags); + if(prom_vers == PROM_V0) + (*(romvec->pv_fortheval.v0_eval))(strlen(fstring), fstring); + else + (*(romvec->pv_fortheval.v2_eval))(fstring); + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); +} + +/* Drop into the prom, with the chance to continue with the 'go' + * prom command. + */ +void +prom_cmdline(void) +{ + extern void install_obp_ticker(void); + extern void install_linux_ticker(void); + unsigned long flags; + + spin_lock_irqsave(&prom_lock, flags); + install_obp_ticker(); + (*(romvec->pv_abort))(); + restore_current(); + install_linux_ticker(); + spin_unlock_irqrestore(&prom_lock, flags); +#ifdef CONFIG_SUN_AUXIO + set_auxio(AUXIO_LED, 0); +#endif +} + +/* Drop into the prom, but completely terminate the program. + * No chance of continuing. + */ +void +prom_halt(void) +{ + unsigned long flags; +again: + spin_lock_irqsave(&prom_lock, flags); + (*(romvec->pv_halt))(); + /* Never get here. */ + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + goto again; /* PROM is out to get me -DaveM */ +} + +typedef void (*sfunc_t)(void); + +/* Set prom sync handler to call function 'funcp'. */ +void +prom_setsync(sfunc_t funcp) +{ + if(!funcp) return; + *romvec->pv_synchook = funcp; +} + +/* Get the idprom and stuff it into buffer 'idbuf'. Returns the + * format type. 'num_bytes' is the number of bytes that your idbuf + * has space for. Returns 0xff on error. + */ +unsigned char +prom_get_idprom(char *idbuf, int num_bytes) +{ + int len; + + len = prom_getproplen(prom_root_node, "idprom"); + if((len>num_bytes) || (len==-1)) return 0xff; + if(!prom_getproperty(prom_root_node, "idprom", idbuf, num_bytes)) + return idbuf[0]; + + return 0xff; +} + +/* Get the major prom version number. */ +int +prom_version(void) +{ + return romvec->pv_romvers; +} + +/* Get the prom plugin-revision. */ +int +prom_getrev(void) +{ + return prom_rev; +} + +/* Get the prom firmware print revision. */ +int +prom_getprev(void) +{ + return prom_prev; +} diff --git a/arch/sparc/prom/printf.c b/arch/sparc/prom/printf.c deleted file mode 100644 index a36ab9c..0000000 --- a/arch/sparc/prom/printf.c +++ /dev/null @@ -1,48 +0,0 @@ -/* - * printf.c: Internal prom library printf facility. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (c) 2002 Pete Zaitcev (zaitcev@yahoo.com) - * - * We used to warn all over the code: DO NOT USE prom_printf(), - * and yet people do. Anton's banking code was outputting banks - * with prom_printf for most of the 2.4 lifetime. Since an effective - * stick is not available, we deployed a carrot: an early printk - * through PROM by means of -p boot option. This ought to fix it. - * USE printk; if you need, deploy -p. - */ - -#include -#include - -#include -#include - -static char ppbuf[1024]; - -void -prom_write(const char *buf, unsigned int n) -{ - char ch; - - while (n != 0) { - --n; - if ((ch = *buf++) == '\n') - prom_putchar('\r'); - prom_putchar(ch); - } -} - -void -prom_printf(char *fmt, ...) -{ - va_list args; - int i; - - va_start(args, fmt); - i = vscnprintf(ppbuf, sizeof(ppbuf), fmt, args); - va_end(args); - - prom_write(ppbuf, i); -} -EXPORT_SYMBOL(prom_printf); diff --git a/arch/sparc/prom/printf_32.c b/arch/sparc/prom/printf_32.c new file mode 100644 index 0000000..a36ab9c --- /dev/null +++ b/arch/sparc/prom/printf_32.c @@ -0,0 +1,48 @@ +/* + * printf.c: Internal prom library printf facility. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + * Copyright (c) 2002 Pete Zaitcev (zaitcev@yahoo.com) + * + * We used to warn all over the code: DO NOT USE prom_printf(), + * and yet people do. Anton's banking code was outputting banks + * with prom_printf for most of the 2.4 lifetime. Since an effective + * stick is not available, we deployed a carrot: an early printk + * through PROM by means of -p boot option. This ought to fix it. + * USE printk; if you need, deploy -p. + */ + +#include +#include + +#include +#include + +static char ppbuf[1024]; + +void +prom_write(const char *buf, unsigned int n) +{ + char ch; + + while (n != 0) { + --n; + if ((ch = *buf++) == '\n') + prom_putchar('\r'); + prom_putchar(ch); + } +} + +void +prom_printf(char *fmt, ...) +{ + va_list args; + int i; + + va_start(args, fmt); + i = vscnprintf(ppbuf, sizeof(ppbuf), fmt, args); + va_end(args); + + prom_write(ppbuf, i); +} +EXPORT_SYMBOL(prom_printf); diff --git a/arch/sparc/prom/tree.c b/arch/sparc/prom/tree.c deleted file mode 100644 index f228fe0..0000000 --- a/arch/sparc/prom/tree.c +++ /dev/null @@ -1,346 +0,0 @@ -/* - * tree.c: Basic device tree traversal/scanning for the Linux - * prom library. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - */ - -#define PROMLIB_INTERNAL - -#include -#include -#include -#include -#include - -#include -#include - -extern void restore_current(void); - -static char promlib_buf[128]; - -/* Internal version of prom_getchild that does not alter return values. */ -int __prom_getchild(int node) -{ - unsigned long flags; - int cnode; - - spin_lock_irqsave(&prom_lock, flags); - cnode = prom_nodeops->no_child(node); - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - - return cnode; -} - -/* Return the child of node 'node' or zero if no this node has no - * direct descendent. - */ -int prom_getchild(int node) -{ - int cnode; - - if (node == -1) - return 0; - - cnode = __prom_getchild(node); - if (cnode == 0 || cnode == -1) - return 0; - - return cnode; -} - -/* Internal version of prom_getsibling that does not alter return values. */ -int __prom_getsibling(int node) -{ - unsigned long flags; - int cnode; - - spin_lock_irqsave(&prom_lock, flags); - cnode = prom_nodeops->no_nextnode(node); - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - - return cnode; -} - -/* Return the next sibling of node 'node' or zero if no more siblings - * at this level of depth in the tree. - */ -int prom_getsibling(int node) -{ - int sibnode; - - if (node == -1) - return 0; - - sibnode = __prom_getsibling(node); - if (sibnode == 0 || sibnode == -1) - return 0; - - return sibnode; -} - -/* Return the length in bytes of property 'prop' at node 'node'. - * Return -1 on error. - */ -int prom_getproplen(int node, char *prop) -{ - int ret; - unsigned long flags; - - if((!node) || (!prop)) - return -1; - - spin_lock_irqsave(&prom_lock, flags); - ret = prom_nodeops->no_proplen(node, prop); - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - return ret; -} - -/* Acquire a property 'prop' at node 'node' and place it in - * 'buffer' which has a size of 'bufsize'. If the acquisition - * was successful the length will be returned, else -1 is returned. - */ -int prom_getproperty(int node, char *prop, char *buffer, int bufsize) -{ - int plen, ret; - unsigned long flags; - - plen = prom_getproplen(node, prop); - if((plen > bufsize) || (plen == 0) || (plen == -1)) - return -1; - /* Ok, things seem all right. */ - spin_lock_irqsave(&prom_lock, flags); - ret = prom_nodeops->no_getprop(node, prop, buffer); - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - return ret; -} - -/* Acquire an integer property and return its value. Returns -1 - * on failure. - */ -int prom_getint(int node, char *prop) -{ - static int intprop; - - if(prom_getproperty(node, prop, (char *) &intprop, sizeof(int)) != -1) - return intprop; - - return -1; -} - -/* Acquire an integer property, upon error return the passed default - * integer. - */ -int prom_getintdefault(int node, char *property, int deflt) -{ - int retval; - - retval = prom_getint(node, property); - if(retval == -1) return deflt; - - return retval; -} - -/* Acquire a boolean property, 1=TRUE 0=FALSE. */ -int prom_getbool(int node, char *prop) -{ - int retval; - - retval = prom_getproplen(node, prop); - if(retval == -1) return 0; - return 1; -} - -/* Acquire a property whose value is a string, returns a null - * string on error. The char pointer is the user supplied string - * buffer. - */ -void prom_getstring(int node, char *prop, char *user_buf, int ubuf_size) -{ - int len; - - len = prom_getproperty(node, prop, user_buf, ubuf_size); - if(len != -1) return; - user_buf[0] = 0; - return; -} - - -/* Does the device at node 'node' have name 'name'? - * YES = 1 NO = 0 - */ -int prom_nodematch(int node, char *name) -{ - int error; - - static char namebuf[128]; - error = prom_getproperty(node, "name", namebuf, sizeof(namebuf)); - if (error == -1) return 0; - if(strcmp(namebuf, name) == 0) return 1; - return 0; -} - -/* Search siblings at 'node_start' for a node with name - * 'nodename'. Return node if successful, zero if not. - */ -int prom_searchsiblings(int node_start, char *nodename) -{ - - int thisnode, error; - - for(thisnode = node_start; thisnode; - thisnode=prom_getsibling(thisnode)) { - error = prom_getproperty(thisnode, "name", promlib_buf, - sizeof(promlib_buf)); - /* Should this ever happen? */ - if(error == -1) continue; - if(strcmp(nodename, promlib_buf)==0) return thisnode; - } - - return 0; -} - -/* Interal version of nextprop that does not alter return values. */ -char * __prom_nextprop(int node, char * oprop) -{ - unsigned long flags; - char *prop; - - spin_lock_irqsave(&prom_lock, flags); - prop = prom_nodeops->no_nextprop(node, oprop); - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - - return prop; -} - -/* Return the first property name for node 'node'. */ -/* buffer is unused argument, but as v9 uses it, we need to have the same interface */ -char * prom_firstprop(int node, char *bufer) -{ - if (node == 0 || node == -1) - return ""; - - return __prom_nextprop(node, ""); -} - -/* Return the property type string after property type 'oprop' - * at node 'node' . Returns empty string if no more - * property types for this node. - */ -char * prom_nextprop(int node, char *oprop, char *buffer) -{ - if (node == 0 || node == -1) - return ""; - - return __prom_nextprop(node, oprop); -} - -int prom_finddevice(char *name) -{ - char nbuf[128]; - char *s = name, *d; - int node = prom_root_node, node2; - unsigned int which_io, phys_addr; - struct linux_prom_registers reg[PROMREG_MAX]; - - while (*s++) { - if (!*s) return node; /* path '.../' is legal */ - node = prom_getchild(node); - - for (d = nbuf; *s != 0 && *s != '@' && *s != '/';) - *d++ = *s++; - *d = 0; - - node = prom_searchsiblings(node, nbuf); - if (!node) - return 0; - - if (*s == '@') { - if (isxdigit(s[1]) && s[2] == ',') { - which_io = simple_strtoul(s+1, NULL, 16); - phys_addr = simple_strtoul(s+3, &d, 16); - if (d != s + 3 && (!*d || *d == '/') - && d <= s + 3 + 8) { - node2 = node; - while (node2 && node2 != -1) { - if (prom_getproperty (node2, "reg", (char *)reg, sizeof (reg)) > 0) { - if (which_io == reg[0].which_io && phys_addr == reg[0].phys_addr) { - node = node2; - break; - } - } - node2 = prom_getsibling(node2); - if (!node2 || node2 == -1) - break; - node2 = prom_searchsiblings(prom_getsibling(node2), nbuf); - } - } - } - while (*s != 0 && *s != '/') s++; - } - } - return node; -} - -int prom_node_has_property(int node, char *prop) -{ - char *current_property = ""; - - do { - current_property = prom_nextprop(node, current_property, NULL); - if(!strcmp(current_property, prop)) - return 1; - } while (*current_property); - return 0; -} - -/* Set property 'pname' at node 'node' to value 'value' which has a length - * of 'size' bytes. Return the number of bytes the prom accepted. - */ -int prom_setprop(int node, char *pname, char *value, int size) -{ - unsigned long flags; - int ret; - - if(size == 0) return 0; - if((pname == 0) || (value == 0)) return 0; - spin_lock_irqsave(&prom_lock, flags); - ret = prom_nodeops->no_setprop(node, pname, value, size); - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - return ret; -} - -int prom_inst2pkg(int inst) -{ - int node; - unsigned long flags; - - spin_lock_irqsave(&prom_lock, flags); - node = (*romvec->pv_v2devops.v2_inst2pkg)(inst); - restore_current(); - spin_unlock_irqrestore(&prom_lock, flags); - if (node == -1) return 0; - return node; -} - -/* Return 'node' assigned to a particular prom 'path' - * FIXME: Should work for v0 as well - */ -int prom_pathtoinode(char *path) -{ - int node, inst; - - inst = prom_devopen (path); - if (inst == -1) return 0; - node = prom_inst2pkg (inst); - prom_devclose (inst); - if (node == -1) return 0; - return node; -} diff --git a/arch/sparc/prom/tree_32.c b/arch/sparc/prom/tree_32.c new file mode 100644 index 0000000..f228fe0 --- /dev/null +++ b/arch/sparc/prom/tree_32.c @@ -0,0 +1,346 @@ +/* + * tree.c: Basic device tree traversal/scanning for the Linux + * prom library. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + */ + +#define PROMLIB_INTERNAL + +#include +#include +#include +#include +#include + +#include +#include + +extern void restore_current(void); + +static char promlib_buf[128]; + +/* Internal version of prom_getchild that does not alter return values. */ +int __prom_getchild(int node) +{ + unsigned long flags; + int cnode; + + spin_lock_irqsave(&prom_lock, flags); + cnode = prom_nodeops->no_child(node); + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + + return cnode; +} + +/* Return the child of node 'node' or zero if no this node has no + * direct descendent. + */ +int prom_getchild(int node) +{ + int cnode; + + if (node == -1) + return 0; + + cnode = __prom_getchild(node); + if (cnode == 0 || cnode == -1) + return 0; + + return cnode; +} + +/* Internal version of prom_getsibling that does not alter return values. */ +int __prom_getsibling(int node) +{ + unsigned long flags; + int cnode; + + spin_lock_irqsave(&prom_lock, flags); + cnode = prom_nodeops->no_nextnode(node); + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + + return cnode; +} + +/* Return the next sibling of node 'node' or zero if no more siblings + * at this level of depth in the tree. + */ +int prom_getsibling(int node) +{ + int sibnode; + + if (node == -1) + return 0; + + sibnode = __prom_getsibling(node); + if (sibnode == 0 || sibnode == -1) + return 0; + + return sibnode; +} + +/* Return the length in bytes of property 'prop' at node 'node'. + * Return -1 on error. + */ +int prom_getproplen(int node, char *prop) +{ + int ret; + unsigned long flags; + + if((!node) || (!prop)) + return -1; + + spin_lock_irqsave(&prom_lock, flags); + ret = prom_nodeops->no_proplen(node, prop); + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + return ret; +} + +/* Acquire a property 'prop' at node 'node' and place it in + * 'buffer' which has a size of 'bufsize'. If the acquisition + * was successful the length will be returned, else -1 is returned. + */ +int prom_getproperty(int node, char *prop, char *buffer, int bufsize) +{ + int plen, ret; + unsigned long flags; + + plen = prom_getproplen(node, prop); + if((plen > bufsize) || (plen == 0) || (plen == -1)) + return -1; + /* Ok, things seem all right. */ + spin_lock_irqsave(&prom_lock, flags); + ret = prom_nodeops->no_getprop(node, prop, buffer); + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + return ret; +} + +/* Acquire an integer property and return its value. Returns -1 + * on failure. + */ +int prom_getint(int node, char *prop) +{ + static int intprop; + + if(prom_getproperty(node, prop, (char *) &intprop, sizeof(int)) != -1) + return intprop; + + return -1; +} + +/* Acquire an integer property, upon error return the passed default + * integer. + */ +int prom_getintdefault(int node, char *property, int deflt) +{ + int retval; + + retval = prom_getint(node, property); + if(retval == -1) return deflt; + + return retval; +} + +/* Acquire a boolean property, 1=TRUE 0=FALSE. */ +int prom_getbool(int node, char *prop) +{ + int retval; + + retval = prom_getproplen(node, prop); + if(retval == -1) return 0; + return 1; +} + +/* Acquire a property whose value is a string, returns a null + * string on error. The char pointer is the user supplied string + * buffer. + */ +void prom_getstring(int node, char *prop, char *user_buf, int ubuf_size) +{ + int len; + + len = prom_getproperty(node, prop, user_buf, ubuf_size); + if(len != -1) return; + user_buf[0] = 0; + return; +} + + +/* Does the device at node 'node' have name 'name'? + * YES = 1 NO = 0 + */ +int prom_nodematch(int node, char *name) +{ + int error; + + static char namebuf[128]; + error = prom_getproperty(node, "name", namebuf, sizeof(namebuf)); + if (error == -1) return 0; + if(strcmp(namebuf, name) == 0) return 1; + return 0; +} + +/* Search siblings at 'node_start' for a node with name + * 'nodename'. Return node if successful, zero if not. + */ +int prom_searchsiblings(int node_start, char *nodename) +{ + + int thisnode, error; + + for(thisnode = node_start; thisnode; + thisnode=prom_getsibling(thisnode)) { + error = prom_getproperty(thisnode, "name", promlib_buf, + sizeof(promlib_buf)); + /* Should this ever happen? */ + if(error == -1) continue; + if(strcmp(nodename, promlib_buf)==0) return thisnode; + } + + return 0; +} + +/* Interal version of nextprop that does not alter return values. */ +char * __prom_nextprop(int node, char * oprop) +{ + unsigned long flags; + char *prop; + + spin_lock_irqsave(&prom_lock, flags); + prop = prom_nodeops->no_nextprop(node, oprop); + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + + return prop; +} + +/* Return the first property name for node 'node'. */ +/* buffer is unused argument, but as v9 uses it, we need to have the same interface */ +char * prom_firstprop(int node, char *bufer) +{ + if (node == 0 || node == -1) + return ""; + + return __prom_nextprop(node, ""); +} + +/* Return the property type string after property type 'oprop' + * at node 'node' . Returns empty string if no more + * property types for this node. + */ +char * prom_nextprop(int node, char *oprop, char *buffer) +{ + if (node == 0 || node == -1) + return ""; + + return __prom_nextprop(node, oprop); +} + +int prom_finddevice(char *name) +{ + char nbuf[128]; + char *s = name, *d; + int node = prom_root_node, node2; + unsigned int which_io, phys_addr; + struct linux_prom_registers reg[PROMREG_MAX]; + + while (*s++) { + if (!*s) return node; /* path '.../' is legal */ + node = prom_getchild(node); + + for (d = nbuf; *s != 0 && *s != '@' && *s != '/';) + *d++ = *s++; + *d = 0; + + node = prom_searchsiblings(node, nbuf); + if (!node) + return 0; + + if (*s == '@') { + if (isxdigit(s[1]) && s[2] == ',') { + which_io = simple_strtoul(s+1, NULL, 16); + phys_addr = simple_strtoul(s+3, &d, 16); + if (d != s + 3 && (!*d || *d == '/') + && d <= s + 3 + 8) { + node2 = node; + while (node2 && node2 != -1) { + if (prom_getproperty (node2, "reg", (char *)reg, sizeof (reg)) > 0) { + if (which_io == reg[0].which_io && phys_addr == reg[0].phys_addr) { + node = node2; + break; + } + } + node2 = prom_getsibling(node2); + if (!node2 || node2 == -1) + break; + node2 = prom_searchsiblings(prom_getsibling(node2), nbuf); + } + } + } + while (*s != 0 && *s != '/') s++; + } + } + return node; +} + +int prom_node_has_property(int node, char *prop) +{ + char *current_property = ""; + + do { + current_property = prom_nextprop(node, current_property, NULL); + if(!strcmp(current_property, prop)) + return 1; + } while (*current_property); + return 0; +} + +/* Set property 'pname' at node 'node' to value 'value' which has a length + * of 'size' bytes. Return the number of bytes the prom accepted. + */ +int prom_setprop(int node, char *pname, char *value, int size) +{ + unsigned long flags; + int ret; + + if(size == 0) return 0; + if((pname == 0) || (value == 0)) return 0; + spin_lock_irqsave(&prom_lock, flags); + ret = prom_nodeops->no_setprop(node, pname, value, size); + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + return ret; +} + +int prom_inst2pkg(int inst) +{ + int node; + unsigned long flags; + + spin_lock_irqsave(&prom_lock, flags); + node = (*romvec->pv_v2devops.v2_inst2pkg)(inst); + restore_current(); + spin_unlock_irqrestore(&prom_lock, flags); + if (node == -1) return 0; + return node; +} + +/* Return 'node' assigned to a particular prom 'path' + * FIXME: Should work for v0 as well + */ +int prom_pathtoinode(char *path) +{ + int node, inst; + + inst = prom_devopen (path); + if (inst == -1) return 0; + node = prom_inst2pkg (inst); + prom_devclose (inst); + if (node == -1) return 0; + return node; +} -- cgit v0.10.2