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authorScott Wood <scottwood@freescale.com>2013-12-14 01:15:24 (GMT)
committerScott Wood <scottwood@freescale.com>2013-12-14 01:15:24 (GMT)
commitb7c81aa3ab2ac2c140e278b6d0e9a0b95112cf0b (patch)
tree87828aaf5f82c7042bfc0307bc4ac499e10f93fb /arch/powerpc/lib/xor_vmx.c
parent22c782a4b14773fab7eab3c1db54ad7ad077e9b8 (diff)
parent78fd82238d0e5716578c326404184a27ba67fd6e (diff)
downloadlinux-fsl-qoriq-b7c81aa3ab2ac2c140e278b6d0e9a0b95112cf0b.tar.xz
Merge remote-tracking branch 'linus/master' into merge
Conflicts: Documentation/hwmon/ina2xx arch/powerpc/Kconfig arch/powerpc/boot/dts/b4860emu.dts arch/powerpc/boot/dts/b4qds.dtsi arch/powerpc/boot/dts/fsl/b4si-post.dtsi arch/powerpc/boot/dts/fsl/qoriq-sec6.0-0.dtsi arch/powerpc/boot/dts/p1023rdb.dts arch/powerpc/boot/dts/t4240emu.dts arch/powerpc/boot/dts/t4240qds.dts arch/powerpc/configs/85xx/p1023_defconfig arch/powerpc/configs/corenet32_smp_defconfig arch/powerpc/configs/corenet64_smp_defconfig arch/powerpc/configs/mpc85xx_smp_defconfig arch/powerpc/include/asm/cputable.h arch/powerpc/include/asm/device.h arch/powerpc/include/asm/epapr_hcalls.h arch/powerpc/include/asm/kvm_host.h arch/powerpc/include/asm/mpic.h arch/powerpc/include/asm/pci.h arch/powerpc/include/asm/ppc-opcode.h arch/powerpc/include/asm/ppc_asm.h arch/powerpc/include/asm/reg_booke.h arch/powerpc/kernel/epapr_paravirt.c arch/powerpc/kernel/process.c arch/powerpc/kernel/prom.c arch/powerpc/kernel/setup-common.c arch/powerpc/kernel/setup_32.c arch/powerpc/kernel/setup_64.c arch/powerpc/kernel/smp.c arch/powerpc/kernel/swsusp_asm64.S arch/powerpc/kernel/swsusp_booke.S arch/powerpc/kvm/book3s_pr.c arch/powerpc/kvm/booke.c arch/powerpc/kvm/booke.h arch/powerpc/kvm/e500.c arch/powerpc/kvm/e500.h arch/powerpc/kvm/e500_emulate.c arch/powerpc/kvm/e500mc.c arch/powerpc/kvm/powerpc.c arch/powerpc/perf/e6500-pmu.c arch/powerpc/platforms/85xx/Kconfig arch/powerpc/platforms/85xx/Makefile arch/powerpc/platforms/85xx/b4_qds.c arch/powerpc/platforms/85xx/c293pcie.c arch/powerpc/platforms/85xx/corenet_ds.c arch/powerpc/platforms/85xx/corenet_ds.h arch/powerpc/platforms/85xx/p1023_rds.c arch/powerpc/platforms/85xx/p2041_rdb.c arch/powerpc/platforms/85xx/p3041_ds.c arch/powerpc/platforms/85xx/p4080_ds.c arch/powerpc/platforms/85xx/p5020_ds.c arch/powerpc/platforms/85xx/p5040_ds.c arch/powerpc/platforms/85xx/smp.c arch/powerpc/platforms/85xx/t4240_qds.c arch/powerpc/platforms/Kconfig arch/powerpc/sysdev/Makefile arch/powerpc/sysdev/fsl_mpic_timer_wakeup.c arch/powerpc/sysdev/fsl_msi.c arch/powerpc/sysdev/fsl_pci.c arch/powerpc/sysdev/fsl_pci.h arch/powerpc/sysdev/fsl_soc.h arch/powerpc/sysdev/mpic.c arch/powerpc/sysdev/mpic_timer.c drivers/Kconfig drivers/clk/Kconfig drivers/clk/clk-ppc-corenet.c drivers/cpufreq/Kconfig.powerpc drivers/cpufreq/Makefile drivers/cpufreq/ppc-corenet-cpufreq.c drivers/crypto/caam/Kconfig drivers/crypto/caam/Makefile drivers/crypto/caam/ctrl.c drivers/crypto/caam/desc_constr.h drivers/crypto/caam/intern.h drivers/crypto/caam/jr.c drivers/crypto/caam/regs.h drivers/dma/fsldma.c drivers/hwmon/ina2xx.c drivers/iommu/Kconfig drivers/iommu/fsl_pamu.c drivers/iommu/fsl_pamu.h drivers/iommu/fsl_pamu_domain.c drivers/iommu/fsl_pamu_domain.h drivers/misc/Makefile drivers/mmc/card/block.c drivers/mmc/core/core.c drivers/mmc/host/sdhci-esdhc.h drivers/mmc/host/sdhci-pltfm.c drivers/mtd/nand/fsl_ifc_nand.c drivers/net/ethernet/freescale/gianfar.c drivers/net/ethernet/freescale/gianfar.h drivers/net/ethernet/freescale/gianfar_ethtool.c drivers/net/phy/at803x.c drivers/net/phy/phy_device.c drivers/net/phy/vitesse.c drivers/pci/msi.c drivers/staging/Kconfig drivers/staging/Makefile drivers/uio/Kconfig drivers/uio/Makefile drivers/uio/uio.c drivers/usb/host/ehci-fsl.c drivers/vfio/Kconfig drivers/vfio/Makefile include/crypto/algapi.h include/linux/iommu.h include/linux/mmc/sdhci.h include/linux/msi.h include/linux/netdev_features.h include/linux/phy.h include/linux/skbuff.h include/net/ip.h include/uapi/linux/vfio.h net/core/ethtool.c net/ipv4/route.c net/ipv6/route.c
Diffstat (limited to 'arch/powerpc/lib/xor_vmx.c')
-rw-r--r--arch/powerpc/lib/xor_vmx.c177
1 files changed, 177 insertions, 0 deletions
diff --git a/arch/powerpc/lib/xor_vmx.c b/arch/powerpc/lib/xor_vmx.c
new file mode 100644
index 0000000..e905f7c
--- /dev/null
+++ b/arch/powerpc/lib/xor_vmx.c
@@ -0,0 +1,177 @@
+/*
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Copyright (C) IBM Corporation, 2012
+ *
+ * Author: Anton Blanchard <anton@au.ibm.com>
+ */
+#include <altivec.h>
+
+#include <linux/preempt.h>
+#include <linux/export.h>
+#include <linux/sched.h>
+#include <asm/switch_to.h>
+
+typedef vector signed char unative_t;
+
+#define DEFINE(V) \
+ unative_t *V = (unative_t *)V##_in; \
+ unative_t V##_0, V##_1, V##_2, V##_3
+
+#define LOAD(V) \
+ do { \
+ V##_0 = V[0]; \
+ V##_1 = V[1]; \
+ V##_2 = V[2]; \
+ V##_3 = V[3]; \
+ } while (0)
+
+#define STORE(V) \
+ do { \
+ V[0] = V##_0; \
+ V[1] = V##_1; \
+ V[2] = V##_2; \
+ V[3] = V##_3; \
+ } while (0)
+
+#define XOR(V1, V2) \
+ do { \
+ V1##_0 = vec_xor(V1##_0, V2##_0); \
+ V1##_1 = vec_xor(V1##_1, V2##_1); \
+ V1##_2 = vec_xor(V1##_2, V2##_2); \
+ V1##_3 = vec_xor(V1##_3, V2##_3); \
+ } while (0)
+
+void xor_altivec_2(unsigned long bytes, unsigned long *v1_in,
+ unsigned long *v2_in)
+{
+ DEFINE(v1);
+ DEFINE(v2);
+ unsigned long lines = bytes / (sizeof(unative_t)) / 4;
+
+ preempt_disable();
+ enable_kernel_altivec();
+
+ do {
+ LOAD(v1);
+ LOAD(v2);
+ XOR(v1, v2);
+ STORE(v1);
+
+ v1 += 4;
+ v2 += 4;
+ } while (--lines > 0);
+
+ preempt_enable();
+}
+EXPORT_SYMBOL(xor_altivec_2);
+
+void xor_altivec_3(unsigned long bytes, unsigned long *v1_in,
+ unsigned long *v2_in, unsigned long *v3_in)
+{
+ DEFINE(v1);
+ DEFINE(v2);
+ DEFINE(v3);
+ unsigned long lines = bytes / (sizeof(unative_t)) / 4;
+
+ preempt_disable();
+ enable_kernel_altivec();
+
+ do {
+ LOAD(v1);
+ LOAD(v2);
+ LOAD(v3);
+ XOR(v1, v2);
+ XOR(v1, v3);
+ STORE(v1);
+
+ v1 += 4;
+ v2 += 4;
+ v3 += 4;
+ } while (--lines > 0);
+
+ preempt_enable();
+}
+EXPORT_SYMBOL(xor_altivec_3);
+
+void xor_altivec_4(unsigned long bytes, unsigned long *v1_in,
+ unsigned long *v2_in, unsigned long *v3_in,
+ unsigned long *v4_in)
+{
+ DEFINE(v1);
+ DEFINE(v2);
+ DEFINE(v3);
+ DEFINE(v4);
+ unsigned long lines = bytes / (sizeof(unative_t)) / 4;
+
+ preempt_disable();
+ enable_kernel_altivec();
+
+ do {
+ LOAD(v1);
+ LOAD(v2);
+ LOAD(v3);
+ LOAD(v4);
+ XOR(v1, v2);
+ XOR(v3, v4);
+ XOR(v1, v3);
+ STORE(v1);
+
+ v1 += 4;
+ v2 += 4;
+ v3 += 4;
+ v4 += 4;
+ } while (--lines > 0);
+
+ preempt_enable();
+}
+EXPORT_SYMBOL(xor_altivec_4);
+
+void xor_altivec_5(unsigned long bytes, unsigned long *v1_in,
+ unsigned long *v2_in, unsigned long *v3_in,
+ unsigned long *v4_in, unsigned long *v5_in)
+{
+ DEFINE(v1);
+ DEFINE(v2);
+ DEFINE(v3);
+ DEFINE(v4);
+ DEFINE(v5);
+ unsigned long lines = bytes / (sizeof(unative_t)) / 4;
+
+ preempt_disable();
+ enable_kernel_altivec();
+
+ do {
+ LOAD(v1);
+ LOAD(v2);
+ LOAD(v3);
+ LOAD(v4);
+ LOAD(v5);
+ XOR(v1, v2);
+ XOR(v3, v4);
+ XOR(v1, v5);
+ XOR(v1, v3);
+ STORE(v1);
+
+ v1 += 4;
+ v2 += 4;
+ v3 += 4;
+ v4 += 4;
+ v5 += 4;
+ } while (--lines > 0);
+
+ preempt_enable();
+}
+EXPORT_SYMBOL(xor_altivec_5);