aboutsummaryrefslogtreecommitdiffstats
path: root/arch/sparc
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/Makefile2
-rw-r--r--arch/sparc/include/asm/pgtable_32.h20
-rw-r--r--arch/sparc/include/asm/pgtable_64.h20
-rw-r--r--arch/sparc/kernel/entry.h7
-rw-r--r--arch/sparc/kernel/module.c27
-rw-r--r--arch/sparc/kernel/pci_sun4v.c4
-rw-r--r--arch/sparc/kernel/setup_64.c48
-rw-r--r--arch/sparc/kernel/signal32.c18
-rw-r--r--arch/sparc/kernel/signal_32.c30
-rw-r--r--arch/sparc/kernel/signal_64.c42
-rw-r--r--arch/sparc/kernel/visemul.c32
-rw-r--r--arch/sparc/lib/memcpy.S804
-rw-r--r--arch/sparc/mm/Makefile1
-rw-r--r--arch/sparc/mm/btfixup.c3
-rw-r--r--arch/sparc/mm/generic_32.c98
-rw-r--r--arch/sparc/mm/generic_64.c164
16 files changed, 277 insertions, 1043 deletions
diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile
index ad1fb5d..eddcfb3 100644
--- a/arch/sparc/Makefile
+++ b/arch/sparc/Makefile
@@ -31,7 +31,7 @@ UTS_MACHINE := sparc
#KBUILD_CFLAGS += -g -pipe -fcall-used-g5 -fcall-used-g7
KBUILD_CFLAGS += -m32 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
-KBUILD_AFLAGS += -m32
+KBUILD_AFLAGS += -m32 -Wa,-Av8
#LDFLAGS_vmlinux = -N -Ttext 0xf0004000
# Since 2.5.40, the first stage is left not btfix-ed.
diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
index 5b31a8e..a790cc6 100644
--- a/arch/sparc/include/asm/pgtable_32.h
+++ b/arch/sparc/include/asm/pgtable_32.h
@@ -431,10 +431,6 @@ extern unsigned long *sparc_valid_addr_bitmap;
#define kern_addr_valid(addr) \
(test_bit(__pa((unsigned long)(addr))>>20, sparc_valid_addr_bitmap))
-extern int io_remap_pfn_range(struct vm_area_struct *vma,
- unsigned long from, unsigned long pfn,
- unsigned long size, pgprot_t prot);
-
/*
* For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in
* its high 4 bits. These macros/functions put it there or get it from there.
@@ -443,6 +439,22 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma,
#define GET_IOSPACE(pfn) (pfn >> (BITS_PER_LONG - 4))
#define GET_PFN(pfn) (pfn & 0x0fffffffUL)
+extern int remap_pfn_range(struct vm_area_struct *, unsigned long, unsigned long,
+ unsigned long, pgprot_t);
+
+static inline int io_remap_pfn_range(struct vm_area_struct *vma,
+ unsigned long from, unsigned long pfn,
+ unsigned long size, pgprot_t prot)
+{
+ unsigned long long offset, space, phys_base;
+
+ offset = ((unsigned long long) GET_PFN(pfn)) << PAGE_SHIFT;
+ space = GET_IOSPACE(pfn);
+ phys_base = offset | (space << 32ULL);
+
+ return remap_pfn_range(vma, from, phys_base >> PAGE_SHIFT, size, prot);
+}
+
#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
#define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \
({ \
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index 1e03c5a..9822628 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -750,10 +750,6 @@ static inline bool kern_addr_valid(unsigned long addr)
extern int page_in_phys_avail(unsigned long paddr);
-extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
- unsigned long pfn,
- unsigned long size, pgprot_t prot);
-
/*
* For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in
* its high 4 bits. These macros/functions put it there or get it from there.
@@ -762,6 +758,22 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
#define GET_IOSPACE(pfn) (pfn >> (BITS_PER_LONG - 4))
#define GET_PFN(pfn) (pfn & 0x0fffffffffffffffUL)
+extern int remap_pfn_range(struct vm_area_struct *, unsigned long, unsigned long,
+ unsigned long, pgprot_t);
+
+static inline int io_remap_pfn_range(struct vm_area_struct *vma,
+ unsigned long from, unsigned long pfn,
+ unsigned long size, pgprot_t prot)
+{
+ unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT;
+ int space = GET_IOSPACE(pfn);
+ unsigned long phys_base;
+
+ phys_base = offset | (((unsigned long) space) << 32UL);
+
+ return remap_pfn_range(vma, from, phys_base >> PAGE_SHIFT, size, prot);
+}
+
#include <asm-generic/pgtable.h>
/* We provide our own get_unmapped_area to cope with VA holes and
diff --git a/arch/sparc/kernel/entry.h b/arch/sparc/kernel/entry.h
index e27f8ea..0c218e4 100644
--- a/arch/sparc/kernel/entry.h
+++ b/arch/sparc/kernel/entry.h
@@ -42,6 +42,9 @@ extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
extern void fpload(unsigned long *fpregs, unsigned long *fsr);
#else /* CONFIG_SPARC32 */
+
+#include <asm/trap_block.h>
+
struct popc_3insn_patch_entry {
unsigned int addr;
unsigned int insns[3];
@@ -57,6 +60,10 @@ extern struct popc_6insn_patch_entry __popc_6insn_patch,
__popc_6insn_patch_end;
extern void __init per_cpu_patch(void);
+extern void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *,
+ struct sun4v_1insn_patch_entry *);
+extern void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *,
+ struct sun4v_2insn_patch_entry *);
extern void __init sun4v_patch(void);
extern void __init boot_cpu_id_too_large(int cpu);
extern unsigned int dcache_parity_tl1_occurred;
diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c
index 99ba5ba..8172c18 100644
--- a/arch/sparc/kernel/module.c
+++ b/arch/sparc/kernel/module.c
@@ -17,6 +17,8 @@
#include <asm/processor.h>
#include <asm/spitfire.h>
+#include "entry.h"
+
#ifdef CONFIG_SPARC64
#include <linux/jump_label.h>
@@ -220,6 +222,29 @@ int apply_relocate_add(Elf_Shdr *sechdrs,
}
#ifdef CONFIG_SPARC64
+static void do_patch_sections(const Elf_Ehdr *hdr,
+ const Elf_Shdr *sechdrs)
+{
+ const Elf_Shdr *s, *sun4v_1insn = NULL, *sun4v_2insn = NULL;
+ char *secstrings = (void *)hdr + sechdrs[hdr->e_shstrndx].sh_offset;
+
+ for (s = sechdrs; s < sechdrs + hdr->e_shnum; s++) {
+ if (!strcmp(".sun4v_1insn_patch", secstrings + s->sh_name))
+ sun4v_1insn = s;
+ if (!strcmp(".sun4v_2insn_patch", secstrings + s->sh_name))
+ sun4v_2insn = s;
+ }
+
+ if (sun4v_1insn && tlb_type == hypervisor) {
+ void *p = (void *) sun4v_1insn->sh_addr;
+ sun4v_patch_1insn_range(p, p + sun4v_1insn->sh_size);
+ }
+ if (sun4v_2insn && tlb_type == hypervisor) {
+ void *p = (void *) sun4v_2insn->sh_addr;
+ sun4v_patch_2insn_range(p, p + sun4v_2insn->sh_size);
+ }
+}
+
int module_finalize(const Elf_Ehdr *hdr,
const Elf_Shdr *sechdrs,
struct module *me)
@@ -227,6 +252,8 @@ int module_finalize(const Elf_Ehdr *hdr,
/* make jump label nops */
jump_label_apply_nops(me);
+ do_patch_sections(hdr, sechdrs);
+
/* Cheetah's I-cache is fully coherent. */
if (tlb_type == spitfire) {
unsigned long va;
diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c
index b01a06e..9e73c4a 100644
--- a/arch/sparc/kernel/pci_sun4v.c
+++ b/arch/sparc/kernel/pci_sun4v.c
@@ -848,10 +848,10 @@ static int pci_sun4v_msiq_build_irq(struct pci_pbm_info *pbm,
if (!irq)
return -ENOMEM;
- if (pci_sun4v_msiq_setstate(pbm->devhandle, msiqid, HV_MSIQSTATE_IDLE))
- return -EINVAL;
if (pci_sun4v_msiq_setvalid(pbm->devhandle, msiqid, HV_MSIQ_VALID))
return -EINVAL;
+ if (pci_sun4v_msiq_setstate(pbm->devhandle, msiqid, HV_MSIQSTATE_IDLE))
+ return -EINVAL;
return irq;
}
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c
index 3c5bb78..4e7d3ff 100644
--- a/arch/sparc/kernel/setup_64.c
+++ b/arch/sparc/kernel/setup_64.c
@@ -234,40 +234,50 @@ void __init per_cpu_patch(void)
}
}
-void __init sun4v_patch(void)
+void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *start,
+ struct sun4v_1insn_patch_entry *end)
{
- extern void sun4v_hvapi_init(void);
- struct sun4v_1insn_patch_entry *p1;
- struct sun4v_2insn_patch_entry *p2;
-
- if (tlb_type != hypervisor)
- return;
+ while (start < end) {
+ unsigned long addr = start->addr;
- p1 = &__sun4v_1insn_patch;
- while (p1 < &__sun4v_1insn_patch_end) {
- unsigned long addr = p1->addr;
-
- *(unsigned int *) (addr + 0) = p1->insn;
+ *(unsigned int *) (addr + 0) = start->insn;
wmb();
__asm__ __volatile__("flush %0" : : "r" (addr + 0));
- p1++;
+ start++;
}
+}
- p2 = &__sun4v_2insn_patch;
- while (p2 < &__sun4v_2insn_patch_end) {
- unsigned long addr = p2->addr;
+void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *start,
+ struct sun4v_2insn_patch_entry *end)
+{
+ while (start < end) {
+ unsigned long addr = start->addr;
- *(unsigned int *) (addr + 0) = p2->insns[0];
+ *(unsigned int *) (addr + 0) = start->insns[0];
wmb();
__asm__ __volatile__("flush %0" : : "r" (addr + 0));
- *(unsigned int *) (addr + 4) = p2->insns[1];
+ *(unsigned int *) (addr + 4) = start->insns[1];
wmb();
__asm__ __volatile__("flush %0" : : "r" (addr + 4));
- p2++;
+ start++;
}
+}
+
+void __init sun4v_patch(void)
+{
+ extern void sun4v_hvapi_init(void);
+
+ if (tlb_type != hypervisor)
+ return;
+
+ sun4v_patch_1insn_range(&__sun4v_1insn_patch,
+ &__sun4v_1insn_patch_end);
+
+ sun4v_patch_2insn_range(&__sun4v_2insn_patch,
+ &__sun4v_2insn_patch_end);
sun4v_hvapi_init();
}
diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index 5d92488..2e58328 100644
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -829,21 +829,23 @@ static inline void syscall_restart32(unsigned long orig_i0, struct pt_regs *regs
* want to handle. Thus you cannot kill init even with a SIGKILL even by
* mistake.
*/
-void do_signal32(sigset_t *oldset, struct pt_regs * regs,
- int restart_syscall, unsigned long orig_i0)
+void do_signal32(sigset_t *oldset, struct pt_regs * regs)
{
struct k_sigaction ka;
+ unsigned long orig_i0;
+ int restart_syscall;
siginfo_t info;
int signr;
signr = get_signal_to_deliver(&info, &ka, regs, NULL);
- /* If the debugger messes with the program counter, it clears
- * the "in syscall" bit, directing us to not perform a syscall
- * restart.
- */
- if (restart_syscall && !pt_regs_is_syscall(regs))
- restart_syscall = 0;
+ restart_syscall = 0;
+ orig_i0 = 0;
+ if (pt_regs_is_syscall(regs) &&
+ (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) {
+ restart_syscall = 1;
+ orig_i0 = regs->u_regs[UREG_G6];
+ }
if (signr > 0) {
if (restart_syscall)
diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c
index 04ede8f..2302567 100644
--- a/arch/sparc/kernel/signal_32.c
+++ b/arch/sparc/kernel/signal_32.c
@@ -525,10 +525,26 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
siginfo_t info;
int signr;
+ /* It's a lot of work and synchronization to add a new ptrace
+ * register for GDB to save and restore in order to get
+ * orig_i0 correct for syscall restarts when debugging.
+ *
+ * Although it should be the case that most of the global
+ * registers are volatile across a system call, glibc already
+ * depends upon that fact that we preserve them. So we can't
+ * just use any global register to save away the orig_i0 value.
+ *
+ * In particular %g2, %g3, %g4, and %g5 are all assumed to be
+ * preserved across a system call trap by various pieces of
+ * code in glibc.
+ *
+ * %g7 is used as the "thread register". %g6 is not used in
+ * any fixed manner. %g6 is used as a scratch register and
+ * a compiler temporary, but it's value is never used across
+ * a system call. Therefore %g6 is usable for orig_i0 storage.
+ */
if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C))
- restart_syscall = 1;
- else
- restart_syscall = 0;
+ regs->u_regs[UREG_G6] = orig_i0;
if (test_thread_flag(TIF_RESTORE_SIGMASK))
oldset = &current->saved_sigmask;
@@ -541,8 +557,12 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
* the software "in syscall" bit, directing us to not perform
* a syscall restart.
*/
- if (restart_syscall && !pt_regs_is_syscall(regs))
- restart_syscall = 0;
+ restart_syscall = 0;
+ if (pt_regs_is_syscall(regs) && (regs->psr & PSR_C)) {
+ restart_syscall = 1;
+ orig_i0 = regs->u_regs[UREG_G6];
+ }
+
if (signr > 0) {
if (restart_syscall)
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index 47509df..d58260b 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -535,11 +535,27 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
siginfo_t info;
int signr;
+ /* It's a lot of work and synchronization to add a new ptrace
+ * register for GDB to save and restore in order to get
+ * orig_i0 correct for syscall restarts when debugging.
+ *
+ * Although it should be the case that most of the global
+ * registers are volatile across a system call, glibc already
+ * depends upon that fact that we preserve them. So we can't
+ * just use any global register to save away the orig_i0 value.
+ *
+ * In particular %g2, %g3, %g4, and %g5 are all assumed to be
+ * preserved across a system call trap by various pieces of
+ * code in glibc.
+ *
+ * %g7 is used as the "thread register". %g6 is not used in
+ * any fixed manner. %g6 is used as a scratch register and
+ * a compiler temporary, but it's value is never used across
+ * a system call. Therefore %g6 is usable for orig_i0 storage.
+ */
if (pt_regs_is_syscall(regs) &&
- (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) {
- restart_syscall = 1;
- } else
- restart_syscall = 0;
+ (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY)))
+ regs->u_regs[UREG_G6] = orig_i0;
if (current_thread_info()->status & TS_RESTORE_SIGMASK)
oldset = &current->saved_sigmask;
@@ -548,22 +564,20 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
#ifdef CONFIG_COMPAT
if (test_thread_flag(TIF_32BIT)) {
- extern void do_signal32(sigset_t *, struct pt_regs *,
- int restart_syscall,
- unsigned long orig_i0);
- do_signal32(oldset, regs, restart_syscall, orig_i0);
+ extern void do_signal32(sigset_t *, struct pt_regs *);
+ do_signal32(oldset, regs);
return;
}
#endif
signr = get_signal_to_deliver(&info, &ka, regs, NULL);
- /* If the debugger messes with the program counter, it clears
- * the software "in syscall" bit, directing us to not perform
- * a syscall restart.
- */
- if (restart_syscall && !pt_regs_is_syscall(regs))
- restart_syscall = 0;
+ restart_syscall = 0;
+ if (pt_regs_is_syscall(regs) &&
+ (regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY))) {
+ restart_syscall = 1;
+ orig_i0 = regs->u_regs[UREG_G6];
+ }
if (signr > 0) {
if (restart_syscall)
diff --git a/arch/sparc/kernel/visemul.c b/arch/sparc/kernel/visemul.c
index 3635771..9384a0c 100644
--- a/arch/sparc/kernel/visemul.c
+++ b/arch/sparc/kernel/visemul.c
@@ -713,17 +713,17 @@ static void pcmp(struct pt_regs *regs, unsigned int insn, unsigned int opf)
s16 b = (rs2 >> (i * 16)) & 0xffff;
if (a > b)
- rd_val |= 1 << i;
+ rd_val |= 8 >> i;
}
break;
case FCMPGT32_OPF:
for (i = 0; i < 2; i++) {
- s32 a = (rs1 >> (i * 32)) & 0xffff;
- s32 b = (rs2 >> (i * 32)) & 0xffff;
+ s32 a = (rs1 >> (i * 32)) & 0xffffffff;
+ s32 b = (rs2 >> (i * 32)) & 0xffffffff;
if (a > b)
- rd_val |= 1 << i;
+ rd_val |= 2 >> i;
}
break;
@@ -733,17 +733,17 @@ static void pcmp(struct pt_regs *regs, unsigned int insn, unsigned int opf)
s16 b = (rs2 >> (i * 16)) & 0xffff;
if (a <= b)
- rd_val |= 1 << i;
+ rd_val |= 8 >> i;
}
break;
case FCMPLE32_OPF:
for (i = 0; i < 2; i++) {
- s32 a = (rs1 >> (i * 32)) & 0xffff;
- s32 b = (rs2 >> (i * 32)) & 0xffff;
+ s32 a = (rs1 >> (i * 32)) & 0xffffffff;
+ s32 b = (rs2 >> (i * 32)) & 0xffffffff;
if (a <= b)
- rd_val |= 1 << i;
+ rd_val |= 2 >> i;
}
break;
@@ -753,17 +753,17 @@ static void pcmp(struct pt_regs *regs, unsigned int insn, unsigned int opf)
s16 b = (rs2 >> (i * 16)) & 0xffff;
if (a != b)
- rd_val |= 1 << i;
+ rd_val |= 8 >> i;
}
break;
case FCMPNE32_OPF:
for (i = 0; i < 2; i++) {
- s32 a = (rs1 >> (i * 32)) & 0xffff;
- s32 b = (rs2 >> (i * 32)) & 0xffff;
+ s32 a = (rs1 >> (i * 32)) & 0xffffffff;
+ s32 b = (rs2 >> (i * 32)) & 0xffffffff;
if (a != b)
- rd_val |= 1 << i;
+ rd_val |= 2 >> i;
}
break;
@@ -773,17 +773,17 @@ static void pcmp(struct pt_regs *regs, unsigned int insn, unsigned int opf)
s16 b = (rs2 >> (i * 16)) & 0xffff;
if (a == b)
- rd_val |= 1 << i;
+ rd_val |= 8 >> i;
}
break;
case FCMPEQ32_OPF:
for (i = 0; i < 2; i++) {
- s32 a = (rs1 >> (i * 32)) & 0xffff;
- s32 b = (rs2 >> (i * 32)) & 0xffff;
+ s32 a = (rs1 >> (i * 32)) & 0xffffffff;
+ s32 b = (rs2 >> (i * 32)) & 0xffffffff;
if (a == b)
- rd_val |= 1 << i;
+ rd_val |= 2 >> i;
}
break;
}
diff --git a/arch/sparc/lib/memcpy.S b/arch/sparc/lib/memcpy.S
index 34fe657..4d8c497 100644
--- a/arch/sparc/lib/memcpy.S
+++ b/arch/sparc/lib/memcpy.S
@@ -7,40 +7,12 @@
* Copyright (C) 1996 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
*/
-#ifdef __KERNEL__
-
-#define FUNC(x) \
+#define FUNC(x) \
.globl x; \
.type x,@function; \
- .align 4; \
+ .align 4; \
x:
-#undef FASTER_REVERSE
-#undef FASTER_NONALIGNED
-#define FASTER_ALIGNED
-
-/* In kernel these functions don't return a value.
- * One should use macros in asm/string.h for that purpose.
- * We return 0, so that bugs are more apparent.
- */
-#define SETUP_RETL
-#define RETL_INSN clr %o0
-
-#else
-
-/* libc */
-
-#include "DEFS.h"
-
-#define FASTER_REVERSE
-#define FASTER_NONALIGNED
-#define FASTER_ALIGNED
-
-#define SETUP_RETL mov %o0, %g6
-#define RETL_INSN mov %g6, %o0
-
-#endif
-
/* Both these macros have to start with exactly the same insn */
#define MOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \
ldd [%src + (offset) + 0x00], %t0; \
@@ -164,30 +136,6 @@ x:
.text
.align 4
-#ifdef FASTER_REVERSE
-
-70: /* rdword_align */
-
- andcc %o1, 1, %g0
- be 4f
- andcc %o1, 2, %g0
-
- ldub [%o1 - 1], %g2
- sub %o1, 1, %o1
- stb %g2, [%o0 - 1]
- sub %o2, 1, %o2
- be 3f
- sub %o0, 1, %o0
-4:
- lduh [%o1 - 2], %g2
- sub %o1, 2, %o1
- sth %g2, [%o0 - 2]
- sub %o2, 2, %o2
- b 3f
- sub %o0, 2, %o0
-
-#endif /* FASTER_REVERSE */
-
0:
retl
nop ! Only bcopy returns here and it retuns void...
@@ -198,7 +146,7 @@ FUNC(__memmove)
#endif
FUNC(memmove)
cmp %o0, %o1
- SETUP_RETL
+ mov %o0, %g7
bleu 9f
sub %o0, %o1, %o4
@@ -207,8 +155,6 @@ FUNC(memmove)
bleu 0f
andcc %o4, 3, %o5
-#ifndef FASTER_REVERSE
-
add %o1, %o2, %o1
add %o0, %o2, %o0
sub %o1, 1, %o1
@@ -224,295 +170,7 @@ FUNC(memmove)
sub %o0, 1, %o0
retl
- RETL_INSN
-
-#else /* FASTER_REVERSE */
-
- add %o1, %o2, %o1
- add %o0, %o2, %o0
- bne 77f
- cmp %o2, 15
- bleu 91f
- andcc %o1, 3, %g0
- bne 70b
-3:
- andcc %o1, 4, %g0
-
- be 2f
- mov %o2, %g1
-
- ld [%o1 - 4], %o4
- sub %g1, 4, %g1
- st %o4, [%o0 - 4]
- sub %o1, 4, %o1
- sub %o0, 4, %o0
-2:
- andcc %g1, 0xffffff80, %g7
- be 3f
- andcc %o0, 4, %g0
-
- be 74f + 4
-5:
- RMOVE_BIGCHUNK(o1, o0, 0x00, o2, o3, o4, o5, g2, g3, g4, g5)
- RMOVE_BIGCHUNK(o1, o0, 0x20, o2, o3, o4, o5, g2, g3, g4, g5)
- RMOVE_BIGCHUNK(o1, o0, 0x40, o2, o3, o4, o5, g2, g3, g4, g5)
- RMOVE_BIGCHUNK(o1, o0, 0x60, o2, o3, o4, o5, g2, g3, g4, g5)
- subcc %g7, 128, %g7
- sub %o1, 128, %o1
- bne 5b
- sub %o0, 128, %o0
-3:
- andcc %g1, 0x70, %g7
- be 72f
- andcc %g1, 8, %g0
-
- sethi %hi(72f), %o5
- srl %g7, 1, %o4
- add %g7, %o4, %o4
- sub %o1, %g7, %o1
- sub %o5, %o4, %o5
- jmpl %o5 + %lo(72f), %g0
- sub %o0, %g7, %o0
-
-71: /* rmemcpy_table */
- RMOVE_LASTCHUNK(o1, o0, 0x60, g2, g3, g4, g5)
- RMOVE_LASTCHUNK(o1, o0, 0x50, g2, g3, g4, g5)
- RMOVE_LASTCHUNK(o1, o0, 0x40, g2, g3, g4, g5)
- RMOVE_LASTCHUNK(o1, o0, 0x30, g2, g3, g4, g5)
- RMOVE_LASTCHUNK(o1, o0, 0x20, g2, g3, g4, g5)
- RMOVE_LASTCHUNK(o1, o0, 0x10, g2, g3, g4, g5)
- RMOVE_LASTCHUNK(o1, o0, 0x00, g2, g3, g4, g5)
-
-72: /* rmemcpy_table_end */
-
- be 73f
- andcc %g1, 4, %g0
-
- ldd [%o1 - 0x08], %g2
- sub %o0, 8, %o0
- sub %o1, 8, %o1
- st %g2, [%o0]
- st %g3, [%o0 + 0x04]
-
-73: /* rmemcpy_last7 */
-
- be 1f
- andcc %g1, 2, %g0
-
- ld [%o1 - 4], %g2
- sub %o1, 4, %o1
- st %g2, [%o0 - 4]
- sub %o0, 4, %o0
-1:
- be 1f
- andcc %g1, 1, %g0
-
- lduh [%o1 - 2], %g2
- sub %o1, 2, %o1
- sth %g2, [%o0 - 2]
- sub %o0, 2, %o0
-1:
- be 1f
- nop
-
- ldub [%o1 - 1], %g2
- stb %g2, [%o0 - 1]
-1:
- retl
- RETL_INSN
-
-74: /* rldd_std */
- RMOVE_BIGALIGNCHUNK(o1, o0, 0x00, o2, o3, o4, o5, g2, g3, g4, g5)
- RMOVE_BIGALIGNCHUNK(o1, o0, 0x20, o2, o3, o4, o5, g2, g3, g4, g5)
- RMOVE_BIGALIGNCHUNK(o1, o0, 0x40, o2, o3, o4, o5, g2, g3, g4, g5)
- RMOVE_BIGALIGNCHUNK(o1, o0, 0x60, o2, o3, o4, o5, g2, g3, g4, g5)
- subcc %g7, 128, %g7
- sub %o1, 128, %o1
- bne 74b
- sub %o0, 128, %o0
-
- andcc %g1, 0x70, %g7
- be 72b
- andcc %g1, 8, %g0
-
- sethi %hi(72b), %o5
- srl %g7, 1, %o4
- add %g7, %o4, %o4
- sub %o1, %g7, %o1
- sub %o5, %o4, %o5
- jmpl %o5 + %lo(72b), %g0
- sub %o0, %g7, %o0
-
-75: /* rshort_end */
-
- and %o2, 0xe, %o3
-2:
- sethi %hi(76f), %o5
- sll %o3, 3, %o4
- sub %o0, %o3, %o0
- sub %o5, %o4, %o5
- sub %o1, %o3, %o1
- jmpl %o5 + %lo(76f), %g0
- andcc %o2, 1, %g0
-
- RMOVE_SHORTCHUNK(o1, o0, 0x0c, g2, g3)
- RMOVE_SHORTCHUNK(o1, o0, 0x0a, g2, g3)
- RMOVE_SHORTCHUNK(o1, o0, 0x08, g2, g3)
- RMOVE_SHORTCHUNK(o1, o0, 0x06, g2, g3)
- RMOVE_SHORTCHUNK(o1, o0, 0x04, g2, g3)
- RMOVE_SHORTCHUNK(o1, o0, 0x02, g2, g3)
- RMOVE_SHORTCHUNK(o1, o0, 0x00, g2, g3)
-
-76: /* rshort_table_end */
-
- be 1f
- nop
- ldub [%o1 - 1], %g2
- stb %g2, [%o0 - 1]
-1:
- retl
- RETL_INSN
-
-91: /* rshort_aligned_end */
-
- bne 75b
- andcc %o2, 8, %g0
-
- be 1f
- andcc %o2, 4, %g0
-
- ld [%o1 - 0x08], %g2
- ld [%o1 - 0x04], %g3
- sub %o1, 8, %o1
- st %g2, [%o0 - 0x08]
- st %g3, [%o0 - 0x04]
- sub %o0, 8, %o0
-1:
- b 73b
- mov %o2, %g1
-
-77: /* rnon_aligned */
- cmp %o2, 15
- bleu 75b
- andcc %o0, 3, %g0
- be 64f
- andcc %o0, 1, %g0
- be 63f
- andcc %o0, 2, %g0
- ldub [%o1 - 1], %g5
- sub %o1, 1, %o1
- stb %g5, [%o0 - 1]
- sub %o0, 1, %o0
- be 64f
- sub %o2, 1, %o2
-63:
- ldub [%o1 - 1], %g5
- sub %o1, 2, %o1
- stb %g5, [%o0 - 1]
- sub %o0, 2, %o0
- ldub [%o1], %g5
- sub %o2, 2, %o2
- stb %g5, [%o0]
-64:
- and %o1, 3, %g2
- and %o1, -4, %o1
- and %o2, 0xc, %g3
- add %o1, 4, %o1
- cmp %g3, 4
- sll %g2, 3, %g4
- mov 32, %g2
- be 4f
- sub %g2, %g4, %g7
-
- blu 3f
- cmp %g3, 8
-
- be 2f
- srl %o2, 2, %g3
-
- ld [%o1 - 4], %o3
- add %o0, -8, %o0
- ld [%o1 - 8], %o4
- add %o1, -16, %o1
- b 7f
- add %g3, 1, %g3
-2:
- ld [%o1 - 4], %o4
- add %o0, -4, %o0
- ld [%o1 - 8], %g1
- add %o1, -12, %o1
- b 8f
- add %g3, 2, %g3
-3:
- ld [%o1 - 4], %o5
- add %o0, -12, %o0
- ld [%o1 - 8], %o3
- add %o1, -20, %o1
- b 6f
- srl %o2, 2, %g3
-4:
- ld [%o1 - 4], %g1
- srl %o2, 2, %g3
- ld [%o1 - 8], %o5
- add %o1, -24, %o1
- add %o0, -16, %o0
- add %g3, -1, %g3
-
- ld [%o1 + 12], %o3
-5:
- sll %o5, %g4, %g2
- srl %g1, %g7, %g5
- or %g2, %g5, %g2
- st %g2, [%o0 + 12]
-6:
- ld [%o1 + 8], %o4
- sll %o3, %g4, %g2
- srl %o5, %g7, %g5
- or %g2, %g5, %g2
- st %g2, [%o0 + 8]
-7:
- ld [%o1 + 4], %g1
- sll %o4, %g4, %g2
- srl %o3, %g7, %g5
- or %g2, %g5, %g2
- st %g2, [%o0 + 4]
-8:
- ld [%o1], %o5
- sll %g1, %g4, %g2
- srl %o4, %g7, %g5
- addcc %g3, -4, %g3
- or %g2, %g5, %g2
- add %o1, -16, %o1
- st %g2, [%o0]
- add %o0, -16, %o0
- bne,a 5b
- ld [%o1 + 12], %o3
- sll %o5, %g4, %g2
- srl %g1, %g7, %g5
- srl %g4, 3, %g3
- or %g2, %g5, %g2
- add %o1, %g3, %o1
- andcc %o2, 2, %g0
- st %g2, [%o0 + 12]
- be 1f
- andcc %o2, 1, %g0
-
- ldub [%o1 + 15], %g5
- add %o1, -2, %o1
- stb %g5, [%o0 + 11]
- add %o0, -2, %o0
- ldub [%o1 + 16], %g5
- stb %g5, [%o0 + 12]
-1:
- be 1f
- nop
- ldub [%o1 + 15], %g5
- stb %g5, [%o0 + 11]
-1:
- retl
- RETL_INSN
-
-#endif /* FASTER_REVERSE */
+ mov %g7, %o0
/* NOTE: This code is executed just for the cases,
where %src (=%o1) & 3 is != 0.
@@ -546,7 +204,7 @@ FUNC(memmove)
FUNC(memcpy) /* %o0=dst %o1=src %o2=len */
sub %o0, %o1, %o4
- SETUP_RETL
+ mov %o0, %g7
9:
andcc %o4, 3, %o5
0:
@@ -569,7 +227,7 @@ FUNC(memcpy) /* %o0=dst %o1=src %o2=len */
add %o1, 4, %o1
add %o0, 4, %o0
2:
- andcc %g1, 0xffffff80, %g7
+ andcc %g1, 0xffffff80, %g0
be 3f
andcc %o0, 4, %g0
@@ -579,22 +237,23 @@ FUNC(memcpy) /* %o0=dst %o1=src %o2=len */
MOVE_BIGCHUNK(o1, o0, 0x20, o2, o3, o4, o5, g2, g3, g4, g5)
MOVE_BIGCHUNK(o1, o0, 0x40, o2, o3, o4, o5, g2, g3, g4, g5)
MOVE_BIGCHUNK(o1, o0, 0x60, o2, o3, o4, o5, g2, g3, g4, g5)
- subcc %g7, 128, %g7
+ sub %g1, 128, %g1
add %o1, 128, %o1
- bne 5b
+ cmp %g1, 128
+ bge 5b
add %o0, 128, %o0
3:
- andcc %g1, 0x70, %g7
+ andcc %g1, 0x70, %g4
be 80f
andcc %g1, 8, %g0
sethi %hi(80f), %o5
- srl %g7, 1, %o4
- add %g7, %o4, %o4
- add %o1, %g7, %o1
+ srl %g4, 1, %o4
+ add %g4, %o4, %o4
+ add %o1, %g4, %o1
sub %o5, %o4, %o5
jmpl %o5 + %lo(80f), %g0
- add %o0, %g7, %o0
+ add %o0, %g4, %o0
79: /* memcpy_table */
@@ -641,43 +300,28 @@ FUNC(memcpy) /* %o0=dst %o1=src %o2=len */
stb %g2, [%o0]
1:
retl
- RETL_INSN
+ mov %g7, %o0
82: /* ldd_std */
MOVE_BIGALIGNCHUNK(o1, o0, 0x00, o2, o3, o4, o5, g2, g3, g4, g5)
MOVE_BIGALIGNCHUNK(o1, o0, 0x20, o2, o3, o4, o5, g2, g3, g4, g5)
MOVE_BIGALIGNCHUNK(o1, o0, 0x40, o2, o3, o4, o5, g2, g3, g4, g5)
MOVE_BIGALIGNCHUNK(o1, o0, 0x60, o2, o3, o4, o5, g2, g3, g4, g5)
- subcc %g7, 128, %g7
+ subcc %g1, 128, %g1
add %o1, 128, %o1
- bne 82b
+ cmp %g1, 128
+ bge 82b
add %o0, 128, %o0
-#ifndef FASTER_ALIGNED
-
- andcc %g1, 0x70, %g7
- be 80b
- andcc %g1, 8, %g0
-
- sethi %hi(80b), %o5
- srl %g7, 1, %o4
- add %g7, %o4, %o4
- add %o1, %g7, %o1
- sub %o5, %o4, %o5
- jmpl %o5 + %lo(80b), %g0
- add %o0, %g7, %o0
-
-#else /* FASTER_ALIGNED */
-
- andcc %g1, 0x70, %g7
+ andcc %g1, 0x70, %g4
be 84f
andcc %g1, 8, %g0
sethi %hi(84f), %o5
- add %o1, %g7, %o1
- sub %o5, %g7, %o5
+ add %o1, %g4, %o1
+ sub %o5, %g4, %o5
jmpl %o5 + %lo(84f), %g0
- add %o0, %g7, %o0
+ add %o0, %g4, %o0
83: /* amemcpy_table */
@@ -721,382 +365,132 @@ FUNC(memcpy) /* %o0=dst %o1=src %o2=len */
stb %g2, [%o0]
1:
retl
- RETL_INSN
-
-#endif /* FASTER_ALIGNED */
+ mov %g7, %o0
86: /* non_aligned */
cmp %o2, 6
bleu 88f
+ nop
-#ifdef FASTER_NONALIGNED
-
- cmp %o2, 256
- bcc 87f
-
-#endif /* FASTER_NONALIGNED */
-
- andcc %o0, 3, %g0
+ save %sp, -96, %sp
+ andcc %i0, 3, %g0
be 61f
- andcc %o0, 1, %g0
+ andcc %i0, 1, %g0
be 60f
- andcc %o0, 2, %g0
+ andcc %i0, 2, %g0
- ldub [%o1], %g5
- add %o1, 1, %o1
- stb %g5, [%o0]
- sub %o2, 1, %o2
+ ldub [%i1], %g5
+ add %i1, 1, %i1
+ stb %g5, [%i0]
+ sub %i2, 1, %i2
bne 61f
- add %o0, 1, %o0
+ add %i0, 1, %i0
60:
- ldub [%o1], %g3
- add %o1, 2, %o1
- stb %g3, [%o0]
- sub %o2, 2, %o2
- ldub [%o1 - 1], %g3
- add %o0, 2, %o0
- stb %g3, [%o0 - 1]
+ ldub [%i1], %g3
+ add %i1, 2, %i1
+ stb %g3, [%i0]
+ sub %i2, 2, %i2
+ ldub [%i1 - 1], %g3
+ add %i0, 2, %i0
+ stb %g3, [%i0 - 1]
61:
- and %o1, 3, %g2
- and %o2, 0xc, %g3
- and %o1, -4, %o1
+ and %i1, 3, %g2
+ and %i2, 0xc, %g3
+ and %i1, -4, %i1
cmp %g3, 4
sll %g2, 3, %g4
mov 32, %g2
be 4f
- sub %g2, %g4, %g7
+ sub %g2, %g4, %l0
blu 3f
cmp %g3, 0x8
be 2f
- srl %o2, 2, %g3
+ srl %i2, 2, %g3
- ld [%o1], %o3
- add %o0, -8, %o0
- ld [%o1 + 4], %o4
+ ld [%i1], %i3
+ add %i0, -8, %i0
+ ld [%i1 + 4], %i4
b 8f
add %g3, 1, %g3
2:
- ld [%o1], %o4
- add %o0, -12, %o0
- ld [%o1 + 4], %o5
+ ld [%i1], %i4
+ add %i0, -12, %i0
+ ld [%i1 + 4], %i5
add %g3, 2, %g3
b 9f
- add %o1, -4, %o1
+ add %i1, -4, %i1
3:
- ld [%o1], %g1
- add %o0, -4, %o0
- ld [%o1 + 4], %o3
- srl %o2, 2, %g3
+ ld [%i1], %g1
+ add %i0, -4, %i0
+ ld [%i1 + 4], %i3
+ srl %i2, 2, %g3
b 7f
- add %o1, 4, %o1
+ add %i1, 4, %i1
4:
- ld [%o1], %o5
- cmp %o2, 7
- ld [%o1 + 4], %g1
- srl %o2, 2, %g3
+ ld [%i1], %i5
+ cmp %i2, 7
+ ld [%i1 + 4], %g1
+ srl %i2, 2, %g3
bleu 10f
- add %o1, 8, %o1
+ add %i1, 8, %i1
- ld [%o1], %o3
+ ld [%i1], %i3
add %g3, -1, %g3
5:
- sll %o5, %g4, %g2
- srl %g1, %g7, %g5
+ sll %i5, %g4, %g2
+ srl %g1, %l0, %g5
or %g2, %g5, %g2
- st %g2, [%o0]
+ st %g2, [%i0]
7:
- ld [%o1 + 4], %o4
+ ld [%i1 + 4], %i4
sll %g1, %g4, %g2
- srl %o3, %g7, %g5
+ srl %i3, %l0, %g5
or %g2, %g5, %g2
- st %g2, [%o0 + 4]
+ st %g2, [%i0 + 4]
8:
- ld [%o1 + 8], %o5
- sll %o3, %g4, %g2
- srl %o4, %g7, %g5
+ ld [%i1 + 8], %i5
+ sll %i3, %g4, %g2
+ srl %i4, %l0, %g5
or %g2, %g5, %g2
- st %g2, [%o0 + 8]
+ st %g2, [%i0 + 8]
9:
- ld [%o1 + 12], %g1
- sll %o4, %g4, %g2
- srl %o5, %g7, %g5
+ ld [%i1 + 12], %g1
+ sll %i4, %g4, %g2
+ srl %i5, %l0, %g5
addcc %g3, -4, %g3
or %g2, %g5, %g2
- add %o1, 16, %o1
- st %g2, [%o0 + 12]
- add %o0, 16, %o0
+ add %i1, 16, %i1
+ st %g2, [%i0 + 12]
+ add %i0, 16, %i0
bne,a 5b
- ld [%o1], %o3
+ ld [%i1], %i3
10:
- sll %o5, %g4, %g2
- srl %g1, %g7, %g5
- srl %g7, 3, %g3
+ sll %i5, %g4, %g2
+ srl %g1, %l0, %g5
+ srl %l0, 3, %g3
or %g2, %g5, %g2
- sub %o1, %g3, %o1
- andcc %o2, 2, %g0
- st %g2, [%o0]
+ sub %i1, %g3, %i1
+ andcc %i2, 2, %g0
+ st %g2, [%i0]
be 1f
- andcc %o2, 1, %g0
-
- ldub [%o1], %g2
- add %o1, 2, %o1
- stb %g2, [%o0 + 4]
- add %o0, 2, %o0
- ldub [%o1 - 1], %g2
- stb %g2, [%o0 + 3]
+ andcc %i2, 1, %g0
+
+ ldub [%i1], %g2
+ add %i1, 2, %i1
+ stb %g2, [%i0 + 4]
+ add %i0, 2, %i0
+ ldub [%i1 - 1], %g2
+ stb %g2, [%i0 + 3]
1:
be 1f
nop
- ldub [%o1], %g2
- stb %g2, [%o0 + 4]
-1:
- retl
- RETL_INSN
-
-#ifdef FASTER_NONALIGNED
-
-87: /* faster_nonaligned */
-
- andcc %o1, 3, %g0
- be 3f
- andcc %o1, 1, %g0
-
- be 4f
- andcc %o1, 2, %g0
-
- ldub [%o1], %g2
- add %o1, 1, %o1
- stb %g2, [%o0]
- sub %o2, 1, %o2
- bne 3f
- add %o0, 1, %o0
-4:
- lduh [%o1], %g2
- add %o1, 2, %o1
- srl %g2, 8, %g3
- sub %o2, 2, %o2
- stb %g3, [%o0]
- add %o0, 2, %o0
- stb %g2, [%o0 - 1]
-3:
- andcc %o1, 4, %g0
-
- bne 2f
- cmp %o5, 1
-
- ld [%o1], %o4
- srl %o4, 24, %g2
- stb %g2, [%o0]
- srl %o4, 16, %g3
- stb %g3, [%o0 + 1]
- srl %o4, 8, %g2
- stb %g2, [%o0 + 2]
- sub %o2, 4, %o2
- stb %o4, [%o0 + 3]
- add %o1, 4, %o1
- add %o0, 4, %o0
-2:
- be 33f
- cmp %o5, 2
- be 32f
- sub %o2, 4, %o2
-31:
- ld [%o1], %g2
- add %o1, 4, %o1
- srl %g2, 24, %g3
- and %o0, 7, %g5
- stb %g3, [%o0]
- cmp %g5, 7
- sll %g2, 8, %g1
- add %o0, 4, %o0
- be 41f
- and %o2, 0xffffffc0, %o3
- ld [%o0 - 7], %o4
-4:
- SMOVE_CHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g7, g1, 8, 24, -3)
- SMOVE_CHUNK(o1, o0, 0x10, g2, g3, g4, g5, o4, o5, g7, g1, 8, 24, -3)
- SMOVE_CHUNK(o1, o0, 0x20, g2, g3, g4, g5, o4, o5, g7, g1, 8, 24, -3)
- SMOVE_CHUNK(o1, o0, 0x30, g2, g3, g4, g5, o4, o5, g7, g1, 8, 24, -3)
- subcc %o3, 64, %o3
- add %o1, 64, %o1
- bne 4b
- add %o0, 64, %o0
-
- andcc %o2, 0x30, %o3
- be,a 1f
- srl %g1, 16, %g2
-4:
- SMOVE_CHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g7, g1, 8, 24, -3)
- subcc %o3, 16, %o3
- add %o1, 16, %o1
- bne 4b
- add %o0, 16, %o0
-
- srl %g1, 16, %g2
-1:
- st %o4, [%o0 - 7]
- sth %g2, [%o0 - 3]
- srl %g1, 8, %g4
- b 88f
- stb %g4, [%o0 - 1]
-32:
- ld [%o1], %g2
- add %o1, 4, %o1
- srl %g2, 16, %g3
- and %o0, 7, %g5
- sth %g3, [%o0]
- cmp %g5, 6
- sll %g2, 16, %g1
- add %o0, 4, %o0
- be 42f
- and %o2, 0xffffffc0, %o3
- ld [%o0 - 6], %o4
-4:
- SMOVE_CHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g7, g1, 16, 16, -2)
- SMOVE_CHUNK(o1, o0, 0x10, g2, g3, g4, g5, o4, o5, g7, g1, 16, 16, -2)
- SMOVE_CHUNK(o1, o0, 0x20, g2, g3, g4, g5, o4, o5, g7, g1, 16, 16, -2)
- SMOVE_CHUNK(o1, o0, 0x30, g2, g3, g4, g5, o4, o5, g7, g1, 16, 16, -2)
- subcc %o3, 64, %o3
- add %o1, 64, %o1
- bne 4b
- add %o0, 64, %o0
-
- andcc %o2, 0x30, %o3
- be,a 1f
- srl %g1, 16, %g2
-4:
- SMOVE_CHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g7, g1, 16, 16, -2)
- subcc %o3, 16, %o3
- add %o1, 16, %o1
- bne 4b
- add %o0, 16, %o0
-
- srl %g1, 16, %g2
-1:
- st %o4, [%o0 - 6]
- b 88f
- sth %g2, [%o0 - 2]
-33:
- ld [%o1], %g2
- sub %o2, 4, %o2
- srl %g2, 24, %g3
- and %o0, 7, %g5
- stb %g3, [%o0]
- cmp %g5, 5
- srl %g2, 8, %g4
- sll %g2, 24, %g1
- sth %g4, [%o0 + 1]
- add %o1, 4, %o1
- be 43f
- and %o2, 0xffffffc0, %o3
-
- ld [%o0 - 1], %o4
- add %o0, 4, %o0
-4:
- SMOVE_CHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g7, g1, 24, 8, -1)
- SMOVE_CHUNK(o1, o0, 0x10, g2, g3, g4, g5, o4, o5, g7, g1, 24, 8, -1)
- SMOVE_CHUNK(o1, o0, 0x20, g2, g3, g4, g5, o4, o5, g7, g1, 24, 8, -1)
- SMOVE_CHUNK(o1, o0, 0x30, g2, g3, g4, g5, o4, o5, g7, g1, 24, 8, -1)
- subcc %o3, 64, %o3
- add %o1, 64, %o1
- bne 4b
- add %o0, 64, %o0
-
- andcc %o2, 0x30, %o3
- be,a 1f
- srl %g1, 24, %g2
-4:
- SMOVE_CHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g7, g1, 24, 8, -1)
- subcc %o3, 16, %o3
- add %o1, 16, %o1
- bne 4b
- add %o0, 16, %o0
-
- srl %g1, 24, %g2
-1:
- st %o4, [%o0 - 5]
- b 88f
- stb %g2, [%o0 - 1]
-41:
- SMOVE_ALIGNCHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g7, g1, 8, 24, -3)
- SMOVE_ALIGNCHUNK(o1, o0, 0x10, g2, g3, g4, g5, o4, o5, g7, g1, 8, 24, -3)
- SMOVE_ALIGNCHUNK(o1, o0, 0x20, g2, g3, g4, g5, o4, o5, g7, g1, 8, 24, -3)
- SMOVE_ALIGNCHUNK(o1, o0, 0x30, g2, g3, g4, g5, o4, o5, g7, g1, 8, 24, -3)
- subcc %o3, 64, %o3
- add %o1, 64, %o1
- bne 41b
- add %o0, 64, %o0
-
- andcc %o2, 0x30, %o3
- be,a 1f
- srl %g1, 16, %g2
-4:
- SMOVE_ALIGNCHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g7, g1, 8, 24, -3)
- subcc %o3, 16, %o3
- add %o1, 16, %o1
- bne 4b
- add %o0, 16, %o0
-
- srl %g1, 16, %g2
+ ldub [%i1], %g2
+ stb %g2, [%i0 + 4]
1:
- sth %g2, [%o0 - 3]
- srl %g1, 8, %g4
- b 88f
- stb %g4, [%o0 - 1]
-43:
- SMOVE_ALIGNCHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g7, g1, 24, 8, 3)
- SMOVE_ALIGNCHUNK(o1, o0, 0x10, g2, g3, g4, g5, o4, o5, g7, g1, 24, 8, 3)
- SMOVE_ALIGNCHUNK(o1, o0, 0x20, g2, g3, g4, g5, o4, o5, g7, g1, 24, 8, 3)
- SMOVE_ALIGNCHUNK(o1, o0, 0x30, g2, g3, g4, g5, o4, o5, g7, g1, 24, 8, 3)
- subcc %o3, 64, %o3
- add %o1, 64, %o1
- bne 43b
- add %o0, 64, %o0
-
- andcc %o2, 0x30, %o3
- be,a 1f
- srl %g1, 24, %g2
-4:
- SMOVE_ALIGNCHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g7, g1, 24, 8, 3)
- subcc %o3, 16, %o3
- add %o1, 16, %o1
- bne 4b
- add %o0, 16, %o0
-
- srl %g1, 24, %g2
-1:
- stb %g2, [%o0 + 3]
- b 88f
- add %o0, 4, %o0
-42:
- SMOVE_ALIGNCHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g7, g1, 16, 16, -2)
- SMOVE_ALIGNCHUNK(o1, o0, 0x10, g2, g3, g4, g5, o4, o5, g7, g1, 16, 16, -2)
- SMOVE_ALIGNCHUNK(o1, o0, 0x20, g2, g3, g4, g5, o4, o5, g7, g1, 16, 16, -2)
- SMOVE_ALIGNCHUNK(o1, o0, 0x30, g2, g3, g4, g5, o4, o5, g7, g1, 16, 16, -2)
- subcc %o3, 64, %o3
- add %o1, 64, %o1
- bne 42b
- add %o0, 64, %o0
-
- andcc %o2, 0x30, %o3
- be,a 1f
- srl %g1, 16, %g2
-4:
- SMOVE_ALIGNCHUNK(o1, o0, 0x00, g2, g3, g4, g5, o4, o5, g7, g1, 16, 16, -2)
- subcc %o3, 16, %o3
- add %o1, 16, %o1
- bne 4b
- add %o0, 16, %o0
-
- srl %g1, 16, %g2
-1:
- sth %g2, [%o0 - 2]
-
- /* Fall through */
-
-#endif /* FASTER_NONALIGNED */
+ ret
+ restore %g7, %g0, %o0
88: /* short_end */
@@ -1127,7 +521,7 @@ FUNC(memcpy) /* %o0=dst %o1=src %o2=len */
stb %g2, [%o0]
1:
retl
- RETL_INSN
+ mov %g7, %o0
90: /* short_aligned_end */
bne 88b
diff --git a/arch/sparc/mm/Makefile b/arch/sparc/mm/Makefile
index 79836a7..3b6e248 100644
--- a/arch/sparc/mm/Makefile
+++ b/arch/sparc/mm/Makefile
@@ -8,7 +8,6 @@ obj-$(CONFIG_SPARC64) += ultra.o tlb.o tsb.o
obj-y += fault_$(BITS).o
obj-y += init_$(BITS).o
obj-$(CONFIG_SPARC32) += loadmmu.o
-obj-y += generic_$(BITS).o
obj-$(CONFIG_SPARC32) += extable.o btfixup.o srmmu.o iommu.o io-unit.o
obj-$(CONFIG_SPARC32) += hypersparc.o viking.o tsunami.o swift.o
obj-$(CONFIG_SPARC_LEON)+= leon_mm.o
diff --git a/arch/sparc/mm/btfixup.c b/arch/sparc/mm/btfixup.c
index 5175ac2..8a7f817 100644
--- a/arch/sparc/mm/btfixup.c
+++ b/arch/sparc/mm/btfixup.c
@@ -302,8 +302,7 @@ void __init btfixup(void)
case 'i': /* INT */
if ((insn & 0xc1c00000) == 0x01000000) /* %HI */
set_addr(addr, q[1], fmangled, (insn & 0xffc00000) | (p[1] >> 10));
- else if ((insn & 0x80002000) == 0x80002000 &&
- (insn & 0x01800000) != 0x01800000) /* %LO */
+ else if ((insn & 0x80002000) == 0x80002000) /* %LO */
set_addr(addr, q[1], fmangled, (insn & 0xffffe000) | (p[1] & 0x3ff));
else {
prom_printf(insn_i, p, addr, insn);
diff --git a/arch/sparc/mm/generic_32.c b/arch/sparc/mm/generic_32.c
deleted file mode 100644
index e6067b7..0000000
--- a/arch/sparc/mm/generic_32.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * generic.c: Generic Sparc mm routines that are not dependent upon
- * MMU type but are Sparc specific.
- *
- * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
- */
-
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/pagemap.h>
-
-#include <asm/pgalloc.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/cacheflush.h>
-#include <asm/tlbflush.h>
-
-/* Remap IO memory, the same way as remap_pfn_range(), but use
- * the obio memory space.
- *
- * They use a pgprot that sets PAGE_IO and does not check the
- * mem_map table as this is independent of normal memory.
- */
-static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte, unsigned long address, unsigned long size,
- unsigned long offset, pgprot_t prot, int space)
-{
- unsigned long end;
-
- address &= ~PMD_MASK;
- end = address + size;
- if (end > PMD_SIZE)
- end = PMD_SIZE;
- do {
- set_pte_at(mm, address, pte, mk_pte_io(offset, prot, space));
- address += PAGE_SIZE;
- offset += PAGE_SIZE;
- pte++;
- } while (address < end);
-}
-
-static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned long address, unsigned long size,
- unsigned long offset, pgprot_t prot, int space)
-{
- unsigned long end;
-
- address &= ~PGDIR_MASK;
- end = address + size;
- if (end > PGDIR_SIZE)
- end = PGDIR_SIZE;
- offset -= address;
- do {
- pte_t *pte = pte_alloc_map(mm, NULL, pmd, address);
- if (!pte)
- return -ENOMEM;
- io_remap_pte_range(mm, pte, address, end - address, address + offset, prot, space);
- address = (address + PMD_SIZE) & PMD_MASK;
- pmd++;
- } while (address < end);
- return 0;
-}
-
-int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
- unsigned long pfn, unsigned long size, pgprot_t prot)
-{
- int error = 0;
- pgd_t * dir;
- unsigned long beg = from;
- unsigned long end = from + size;
- struct mm_struct *mm = vma->vm_mm;
- int space = GET_IOSPACE(pfn);
- unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT;
-
- /* See comment in mm/memory.c remap_pfn_range */
- vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP;
- vma->vm_pgoff = (offset >> PAGE_SHIFT) |
- ((unsigned long)space << 28UL);
-
- offset -= from;
- dir = pgd_offset(mm, from);
- flush_cache_range(vma, beg, end);
-
- while (from < end) {
- pmd_t *pmd = pmd_alloc(mm, dir, from);
- error = -ENOMEM;
- if (!pmd)
- break;
- error = io_remap_pmd_range(mm, pmd, from, end - from, offset + from, prot, space);
- if (error)
- break;
- from = (from + PGDIR_SIZE) & PGDIR_MASK;
- dir++;
- }
-
- flush_tlb_range(vma, beg, end);
- return error;
-}
-EXPORT_SYMBOL(io_remap_pfn_range);
diff --git a/arch/sparc/mm/generic_64.c b/arch/sparc/mm/generic_64.c
deleted file mode 100644
index 3cb00df..0000000
--- a/arch/sparc/mm/generic_64.c
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- * generic.c: Generic Sparc mm routines that are not dependent upon
- * MMU type but are Sparc specific.
- *
- * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
- */
-
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/pagemap.h>
-
-#include <asm/pgalloc.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <asm/tlbflush.h>
-
-/* Remap IO memory, the same way as remap_pfn_range(), but use
- * the obio memory space.
- *
- * They use a pgprot that sets PAGE_IO and does not check the
- * mem_map table as this is independent of normal memory.
- */
-static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte,
- unsigned long address,
- unsigned long size,
- unsigned long offset, pgprot_t prot,
- int space)
-{
- unsigned long end;
-
- /* clear hack bit that was used as a write_combine side-effect flag */
- offset &= ~0x1UL;
- address &= ~PMD_MASK;
- end = address + size;
- if (end > PMD_SIZE)
- end = PMD_SIZE;
- do {
- pte_t entry;
- unsigned long curend = address + PAGE_SIZE;
-
- entry = mk_pte_io(offset, prot, space, PAGE_SIZE);
- if (!(address & 0xffff)) {
- if (PAGE_SIZE < (4 * 1024 * 1024) &&
- !(address & 0x3fffff) &&
- !(offset & 0x3ffffe) &&
- end >= address + 0x400000) {
- entry = mk_pte_io(offset, prot, space,
- 4 * 1024 * 1024);
- curend = address + 0x400000;
- offset += 0x400000;
- } else if (PAGE_SIZE < (512 * 1024) &&
- !(address & 0x7ffff) &&
- !(offset & 0x7fffe) &&
- end >= address + 0x80000) {
- entry = mk_pte_io(offset, prot, space,
- 512 * 1024 * 1024);
- curend = address + 0x80000;
- offset += 0x80000;
- } else if (PAGE_SIZE < (64 * 1024) &&
- !(offset & 0xfffe) &&
- end >= address + 0x10000) {
- entry = mk_pte_io(offset, prot, space,
- 64 * 1024);
- curend = address + 0x10000;
- offset += 0x10000;
- } else
- offset += PAGE_SIZE;
- } else
- offset += PAGE_SIZE;
-
- if (pte_write(entry))
- entry = pte_mkdirty(entry);
- do {
- BUG_ON(!pte_none(*pte));
- set_pte_at(mm, address, pte, entry);
- address += PAGE_SIZE;
- pte_val(entry) += PAGE_SIZE;
- pte++;
- } while (address < curend);
- } while (address < end);
-}
-
-static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned long address, unsigned long size,
- unsigned long offset, pgprot_t prot, int space)
-{
- unsigned long end;
-
- address &= ~PGDIR_MASK;
- end = address + size;
- if (end > PGDIR_SIZE)
- end = PGDIR_SIZE;
- offset -= address;
- do {
- pte_t *pte = pte_alloc_map(mm, NULL, pmd, address);
- if (!pte)
- return -ENOMEM;
- io_remap_pte_range(mm, pte, address, end - address, address + offset, prot, space);
- pte_unmap(pte);
- address = (address + PMD_SIZE) & PMD_MASK;
- pmd++;
- } while (address < end);
- return 0;
-}
-
-static inline int io_remap_pud_range(struct mm_struct *mm, pud_t * pud, unsigned long address, unsigned long size,
- unsigned long offset, pgprot_t prot, int space)
-{
- unsigned long end;
-
- address &= ~PUD_MASK;
- end = address + size;
- if (end > PUD_SIZE)
- end = PUD_SIZE;
- offset -= address;
- do {
- pmd_t *pmd = pmd_alloc(mm, pud, address);
- if (!pud)
- return -ENOMEM;
- io_remap_pmd_range(mm, pmd, address, end - address, address + offset, prot, space);
- address = (address + PUD_SIZE) & PUD_MASK;
- pud++;
- } while (address < end);
- return 0;
-}
-
-int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
- unsigned long pfn, unsigned long size, pgprot_t prot)
-{
- int error = 0;
- pgd_t * dir;
- unsigned long beg = from;
- unsigned long end = from + size;
- struct mm_struct *mm = vma->vm_mm;
- int space = GET_IOSPACE(pfn);
- unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT;
- unsigned long phys_base;
-
- phys_base = offset | (((unsigned long) space) << 32UL);
-
- /* See comment in mm/memory.c remap_pfn_range */
- vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP;
- vma->vm_pgoff = phys_base >> PAGE_SHIFT;
-
- offset -= from;
- dir = pgd_offset(mm, from);
- flush_cache_range(vma, beg, end);
-
- while (from < end) {
- pud_t *pud = pud_alloc(mm, dir, from);
- error = -ENOMEM;
- if (!pud)
- break;
- error = io_remap_pud_range(mm, pud, from, end - from, offset + from, prot, space);
- if (error)
- break;
- from = (from + PGDIR_SIZE) & PGDIR_MASK;
- dir++;
- }
-
- flush_tlb_range(vma, beg, end);
- return error;
-}
-EXPORT_SYMBOL(io_remap_pfn_range);
generated by cgit v1.1 at 2025-01-25 01:03:42 +0000