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yaml
---
r: 5907
b: refs/heads/master
c: 916fa46
h: refs/heads/master
i:
  5905: 9f8c720
  5903: e87a969
v: v3
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Linus Torvalds committed Aug 20, 2005
1 parent d7303c1 commit 967972f
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Showing 33 changed files with 332 additions and 328 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 034ea6388a51f571b45ef1f0fa4ed4298691768e
refs/heads/master: 916fa469ab2248d86473577dda72003df599879b
4 changes: 2 additions & 2 deletions trunk/arch/i386/kernel/nmi.c
Original file line number Diff line number Diff line change
Expand Up @@ -195,7 +195,7 @@ static void disable_lapic_nmi_watchdog(void)
wrmsr(MSR_P6_EVNTSEL0, 0, 0);
break;
case 15:
if (boot_cpu_data.x86_model > 0x3)
if (boot_cpu_data.x86_model > 0x4)
break;

wrmsr(MSR_P4_IQ_CCCR0, 0, 0);
Expand Down Expand Up @@ -432,7 +432,7 @@ void setup_apic_nmi_watchdog (void)
setup_p6_watchdog();
break;
case 15:
if (boot_cpu_data.x86_model > 0x3)
if (boot_cpu_data.x86_model > 0x4)
return;

if (!setup_p4_watchdog())
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5 changes: 3 additions & 2 deletions trunk/arch/sparc/kernel/sparc_ksyms.c
Original file line number Diff line number Diff line change
Expand Up @@ -98,8 +98,9 @@ extern void ___rw_write_enter(void);
* The module references will be fixed up by module_frob_arch_sections.
*/
#define DOT_ALIAS2(__ret, __x, __arg1, __arg2) \
extern __ret __x(__arg1, __arg2) \
__attribute__((weak, alias("." # __x)));
extern __ret __x(__arg1, __arg2); \
asm(".weak " #__x);\
asm(#__x "=." #__x);

DOT_ALIAS2(int, div, int, int)
DOT_ALIAS2(int, mul, int, int)
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2 changes: 1 addition & 1 deletion trunk/arch/sparc64/kernel/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ EXTRA_CFLAGS := -Werror
extra-y := head.o init_task.o vmlinux.lds

obj-y := process.o setup.o cpu.o idprom.o \
traps.o devices.o auxio.o \
traps.o devices.o auxio.o una_asm.o \
irq.o ptrace.o time.o sys_sparc.o signal.o \
unaligned.o central.o pci.o starfire.o semaphore.o \
power.o sbus.o iommu_common.o sparc64_ksyms.o chmc.o
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3 changes: 3 additions & 0 deletions trunk/arch/sparc64/kernel/traps.c
Original file line number Diff line number Diff line change
Expand Up @@ -2127,6 +2127,9 @@ void __init trap_init(void)
TI_PRE_COUNT != offsetof(struct thread_info, preempt_count) ||
TI_NEW_CHILD != offsetof(struct thread_info, new_child) ||
TI_SYS_NOERROR != offsetof(struct thread_info, syscall_noerror) ||
TI_RESTART_BLOCK != offsetof(struct thread_info, restart_block) ||
TI_KUNA_REGS != offsetof(struct thread_info, kern_una_regs) ||
TI_KUNA_INSN != offsetof(struct thread_info, kern_una_insn) ||
TI_FPREGS != offsetof(struct thread_info, fpregs) ||
(TI_FPREGS & (64 - 1)))
thread_info_offsets_are_bolixed_dave();
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153 changes: 153 additions & 0 deletions trunk/arch/sparc64/kernel/una_asm.S
Original file line number Diff line number Diff line change
@@ -0,0 +1,153 @@
/* una_asm.S: Kernel unaligned trap assembler helpers.
*
* Copyright (C) 1996,2005 David S. Miller (davem@davemloft.net)
* Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
*/

.text

kernel_unaligned_trap_fault:
call kernel_mna_trap_fault
nop
retl
nop
.size kern_unaligned_trap_fault, .-kern_unaligned_trap_fault

.globl __do_int_store
__do_int_store:
rd %asi, %o4
wr %o3, 0, %asi
ldx [%o2], %g3
cmp %o1, 2
be,pn %icc, 2f
cmp %o1, 4
be,pt %icc, 1f
srlx %g3, 24, %g2
srlx %g3, 56, %g1
srlx %g3, 48, %g7
4: stba %g1, [%o0] %asi
srlx %g3, 40, %g1
5: stba %g7, [%o0 + 1] %asi
srlx %g3, 32, %g7
6: stba %g1, [%o0 + 2] %asi
7: stba %g7, [%o0 + 3] %asi
srlx %g3, 16, %g1
8: stba %g2, [%o0 + 4] %asi
srlx %g3, 8, %g7
9: stba %g1, [%o0 + 5] %asi
10: stba %g7, [%o0 + 6] %asi
ba,pt %xcc, 0f
11: stba %g3, [%o0 + 7] %asi
1: srl %g3, 16, %g7
12: stba %g2, [%o0] %asi
srl %g3, 8, %g2
13: stba %g7, [%o0 + 1] %asi
14: stba %g2, [%o0 + 2] %asi
ba,pt %xcc, 0f
15: stba %g3, [%o0 + 3] %asi
2: srl %g3, 8, %g2
16: stba %g2, [%o0] %asi
17: stba %g3, [%o0 + 1] %asi
0:
wr %o4, 0x0, %asi
retl
nop
.size __do_int_store, .-__do_int_store

.section __ex_table
.word 4b, kernel_unaligned_trap_fault
.word 5b, kernel_unaligned_trap_fault
.word 6b, kernel_unaligned_trap_fault
.word 7b, kernel_unaligned_trap_fault
.word 8b, kernel_unaligned_trap_fault
.word 9b, kernel_unaligned_trap_fault
.word 10b, kernel_unaligned_trap_fault
.word 11b, kernel_unaligned_trap_fault
.word 12b, kernel_unaligned_trap_fault
.word 13b, kernel_unaligned_trap_fault
.word 14b, kernel_unaligned_trap_fault
.word 15b, kernel_unaligned_trap_fault
.word 16b, kernel_unaligned_trap_fault
.word 17b, kernel_unaligned_trap_fault
.previous

.globl do_int_load
do_int_load:
rd %asi, %o5
wr %o4, 0, %asi
cmp %o1, 8
bge,pn %icc, 9f
cmp %o1, 4
be,pt %icc, 6f
4: lduba [%o2] %asi, %g2
5: lduba [%o2 + 1] %asi, %g3
sll %g2, 8, %g2
brz,pt %o3, 3f
add %g2, %g3, %g2
sllx %g2, 48, %g2
srax %g2, 48, %g2
3: ba,pt %xcc, 0f
stx %g2, [%o0]
6: lduba [%o2 + 1] %asi, %g3
sll %g2, 24, %g2
7: lduba [%o2 + 2] %asi, %g7
sll %g3, 16, %g3
8: lduba [%o2 + 3] %asi, %g1
sll %g7, 8, %g7
or %g2, %g3, %g2
or %g7, %g1, %g7
or %g2, %g7, %g2
brnz,a,pt %o3, 3f
sra %g2, 0, %g2
3: ba,pt %xcc, 0f
stx %g2, [%o0]
9: lduba [%o2] %asi, %g2
10: lduba [%o2 + 1] %asi, %g3
sllx %g2, 56, %g2
11: lduba [%o2 + 2] %asi, %g7
sllx %g3, 48, %g3
12: lduba [%o2 + 3] %asi, %g1
sllx %g7, 40, %g7
sllx %g1, 32, %g1
or %g2, %g3, %g2
or %g7, %g1, %g7
13: lduba [%o2 + 4] %asi, %g3
or %g2, %g7, %g7
14: lduba [%o2 + 5] %asi, %g1
sllx %g3, 24, %g3
15: lduba [%o2 + 6] %asi, %g2
sllx %g1, 16, %g1
or %g7, %g3, %g7
16: lduba [%o2 + 7] %asi, %g3
sllx %g2, 8, %g2
or %g7, %g1, %g7
or %g2, %g3, %g2
or %g7, %g2, %g7
cmp %o1, 8
be,a,pt %icc, 0f
stx %g7, [%o0]
srlx %g7, 32, %g2
sra %g7, 0, %g7
stx %g2, [%o0]
stx %g7, [%o0 + 8]
0:
wr %o5, 0x0, %asi
retl
nop
.size __do_int_load, .-__do_int_load

.section __ex_table
.word 4b, kernel_unaligned_trap_fault
.word 5b, kernel_unaligned_trap_fault
.word 6b, kernel_unaligned_trap_fault
.word 7b, kernel_unaligned_trap_fault
.word 8b, kernel_unaligned_trap_fault
.word 9b, kernel_unaligned_trap_fault
.word 10b, kernel_unaligned_trap_fault
.word 11b, kernel_unaligned_trap_fault
.word 12b, kernel_unaligned_trap_fault
.word 13b, kernel_unaligned_trap_fault
.word 14b, kernel_unaligned_trap_fault
.word 15b, kernel_unaligned_trap_fault
.word 16b, kernel_unaligned_trap_fault
.previous
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