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Commit 157c9052 authored by David S. Miller's avatar David S. Miller
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Merge nuts.davemloft.net:/disk1/BK/sparcwork-2.6 

into nuts.davemloft.net:/disk1/BK/sparc-2.6
parents 9a7a579e 6c955a7f
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Showing with 232 additions and 224 deletions
arch/sparc64/kernel/auxio.c
View file @ 157c9052
......@@ -17,7 +17,7 @@
#include <asm/auxio.h>
/* This cannot be static, as it is referenced in entry.S */
void __iomem *auxio_register = 0UL;
void __iomem *auxio_register = NULL;
enum auxio_type {
AUXIO_TYPE_NODEV,
......
arch/sparc64/prom/Makefile
View file @ 157c9052
......@@ -7,4 +7,4 @@ EXTRA_AFLAGS := -ansi
EXTRA_CFLAGS := -Werror
lib-y := bootstr.o devops.o init.o memory.o misc.o \
tree.o console.o printf.o p1275.o map.o
tree.o console.o printf.o p1275.o map.o cif.o
arch/sparc64/prom/cif.S 0 → 100644
View file @ 157c9052
/* cif.S: PROM entry/exit assembler trampolines.
*
* Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
* Copyright (C) 2005 David S. Miller <davem@davemloft.net>
*/
#include <asm/pstate.h>
.text
.globl prom_cif_interface
prom_cif_interface:
sethi %hi(p1275buf), %o0
or %o0, %lo(p1275buf), %o0
ldx [%o0 + 0x010], %o1 ! prom_cif_stack
save %o1, -0x190, %sp
ldx [%i0 + 0x008], %l2 ! prom_cif_handler
rdpr %pstate, %l4
wrpr %g0, 0x15, %pstate ! save alternate globals
stx %g1, [%sp + 2047 + 0x0b0]
stx %g2, [%sp + 2047 + 0x0b8]
stx %g3, [%sp + 2047 + 0x0c0]
stx %g4, [%sp + 2047 + 0x0c8]
stx %g5, [%sp + 2047 + 0x0d0]
stx %g6, [%sp + 2047 + 0x0d8]
stx %g7, [%sp + 2047 + 0x0e0]
wrpr %g0, 0x814, %pstate ! save interrupt globals
stx %g1, [%sp + 2047 + 0x0e8]
stx %g2, [%sp + 2047 + 0x0f0]
stx %g3, [%sp + 2047 + 0x0f8]
stx %g4, [%sp + 2047 + 0x100]
stx %g5, [%sp + 2047 + 0x108]
stx %g6, [%sp + 2047 + 0x110]
stx %g7, [%sp + 2047 + 0x118]
wrpr %g0, 0x14, %pstate ! save normal globals
stx %g1, [%sp + 2047 + 0x120]
stx %g2, [%sp + 2047 + 0x128]
stx %g3, [%sp + 2047 + 0x130]
stx %g4, [%sp + 2047 + 0x138]
stx %g5, [%sp + 2047 + 0x140]
stx %g6, [%sp + 2047 + 0x148]
stx %g7, [%sp + 2047 + 0x150]
wrpr %g0, 0x414, %pstate ! save mmu globals
stx %g1, [%sp + 2047 + 0x158]
stx %g2, [%sp + 2047 + 0x160]
stx %g3, [%sp + 2047 + 0x168]
stx %g4, [%sp + 2047 + 0x170]
stx %g5, [%sp + 2047 + 0x178]
stx %g6, [%sp + 2047 + 0x180]
stx %g7, [%sp + 2047 + 0x188]
mov %g1, %l0 ! also save to locals, so we can handle
mov %g2, %l1 ! tlb faults later on, when accessing
mov %g3, %l3 ! the stack.
mov %g7, %l5
wrpr %l4, PSTATE_IE, %pstate ! turn off interrupts
call %l2
add %i0, 0x018, %o0 ! prom_args
wrpr %g0, 0x414, %pstate ! restore mmu globals
mov %l0, %g1
mov %l1, %g2
mov %l3, %g3
mov %l5, %g7
wrpr %g0, 0x14, %pstate ! restore normal globals
ldx [%sp + 2047 + 0x120], %g1
ldx [%sp + 2047 + 0x128], %g2
ldx [%sp + 2047 + 0x130], %g3
ldx [%sp + 2047 + 0x138], %g4
ldx [%sp + 2047 + 0x140], %g5
ldx [%sp + 2047 + 0x148], %g6
ldx [%sp + 2047 + 0x150], %g7
wrpr %g0, 0x814, %pstate ! restore interrupt globals
ldx [%sp + 2047 + 0x0e8], %g1
ldx [%sp + 2047 + 0x0f0], %g2
ldx [%sp + 2047 + 0x0f8], %g3
ldx [%sp + 2047 + 0x100], %g4
ldx [%sp + 2047 + 0x108], %g5
ldx [%sp + 2047 + 0x110], %g6
ldx [%sp + 2047 + 0x118], %g7
wrpr %g0, 0x15, %pstate ! restore alternate globals
ldx [%sp + 2047 + 0x0b0], %g1
ldx [%sp + 2047 + 0x0b8], %g2
ldx [%sp + 2047 + 0x0c0], %g3
ldx [%sp + 2047 + 0x0c8], %g4
ldx [%sp + 2047 + 0x0d0], %g5
ldx [%sp + 2047 + 0x0d8], %g6
ldx [%sp + 2047 + 0x0e0], %g7
wrpr %l4, 0, %pstate ! restore original pstate
ret
restore
.globl prom_cif_callback
prom_cif_callback:
sethi %hi(p1275buf), %o1
or %o1, %lo(p1275buf), %o1
save %sp, -0x270, %sp
rdpr %pstate, %l4
wrpr %g0, 0x15, %pstate ! save PROM alternate globals
stx %g1, [%sp + 2047 + 0x0b0]
stx %g2, [%sp + 2047 + 0x0b8]
stx %g3, [%sp + 2047 + 0x0c0]
stx %g4, [%sp + 2047 + 0x0c8]
stx %g5, [%sp + 2047 + 0x0d0]
stx %g6, [%sp + 2047 + 0x0d8]
stx %g7, [%sp + 2047 + 0x0e0]
! restore Linux alternate globals
ldx [%sp + 2047 + 0x190], %g1
ldx [%sp + 2047 + 0x198], %g2
ldx [%sp + 2047 + 0x1a0], %g3
ldx [%sp + 2047 + 0x1a8], %g4
ldx [%sp + 2047 + 0x1b0], %g5
ldx [%sp + 2047 + 0x1b8], %g6
ldx [%sp + 2047 + 0x1c0], %g7
wrpr %g0, 0x814, %pstate ! save PROM interrupt globals
stx %g1, [%sp + 2047 + 0x0e8]
stx %g2, [%sp + 2047 + 0x0f0]
stx %g3, [%sp + 2047 + 0x0f8]
stx %g4, [%sp + 2047 + 0x100]
stx %g5, [%sp + 2047 + 0x108]
stx %g6, [%sp + 2047 + 0x110]
stx %g7, [%sp + 2047 + 0x118]
! restore Linux interrupt globals
ldx [%sp + 2047 + 0x1c8], %g1
ldx [%sp + 2047 + 0x1d0], %g2
ldx [%sp + 2047 + 0x1d8], %g3
ldx [%sp + 2047 + 0x1e0], %g4
ldx [%sp + 2047 + 0x1e8], %g5
ldx [%sp + 2047 + 0x1f0], %g6
ldx [%sp + 2047 + 0x1f8], %g7
wrpr %g0, 0x14, %pstate ! save PROM normal globals
stx %g1, [%sp + 2047 + 0x120]
stx %g2, [%sp + 2047 + 0x128]
stx %g3, [%sp + 2047 + 0x130]
stx %g4, [%sp + 2047 + 0x138]
stx %g5, [%sp + 2047 + 0x140]
stx %g6, [%sp + 2047 + 0x148]
stx %g7, [%sp + 2047 + 0x150]
! restore Linux normal globals
ldx [%sp + 2047 + 0x200], %g1
ldx [%sp + 2047 + 0x208], %g2
ldx [%sp + 2047 + 0x210], %g3
ldx [%sp + 2047 + 0x218], %g4
ldx [%sp + 2047 + 0x220], %g5
ldx [%sp + 2047 + 0x228], %g6
ldx [%sp + 2047 + 0x230], %g7
wrpr %g0, 0x414, %pstate ! save PROM mmu globals
stx %g1, [%sp + 2047 + 0x158]
stx %g2, [%sp + 2047 + 0x160]
stx %g3, [%sp + 2047 + 0x168]
stx %g4, [%sp + 2047 + 0x170]
stx %g5, [%sp + 2047 + 0x178]
stx %g6, [%sp + 2047 + 0x180]
stx %g7, [%sp + 2047 + 0x188]
! restore Linux mmu globals
ldx [%sp + 2047 + 0x238], %o0
ldx [%sp + 2047 + 0x240], %o1
ldx [%sp + 2047 + 0x248], %l2
ldx [%sp + 2047 + 0x250], %l3
ldx [%sp + 2047 + 0x258], %l5
ldx [%sp + 2047 + 0x260], %l6
ldx [%sp + 2047 + 0x268], %l7
! switch to Linux tba
sethi %hi(sparc64_ttable_tl0), %l1
rdpr %tba, %l0 ! save PROM tba
mov %o0, %g1
mov %o1, %g2
mov %l2, %g3
mov %l3, %g4
mov %l5, %g5
mov %l6, %g6
mov %l7, %g7
wrpr %l1, %tba ! install Linux tba
wrpr %l4, 0, %pstate ! restore PSTATE
call prom_world
mov %g0, %o0
ldx [%i1 + 0x000], %l2
call %l2
mov %i0, %o0
mov %o0, %l1
call prom_world
or %g0, 1, %o0
wrpr %g0, 0x14, %pstate ! interrupts off
! restore PROM mmu globals
ldx [%sp + 2047 + 0x158], %o0
ldx [%sp + 2047 + 0x160], %o1
ldx [%sp + 2047 + 0x168], %l2
ldx [%sp + 2047 + 0x170], %l3
ldx [%sp + 2047 + 0x178], %l5
ldx [%sp + 2047 + 0x180], %l6
ldx [%sp + 2047 + 0x188], %l7
wrpr %g0, 0x414, %pstate ! restore PROM mmu globals
mov %o0, %g1
mov %o1, %g2
mov %l2, %g3
mov %l3, %g4
mov %l5, %g5
mov %l6, %g6
mov %l7, %g7
wrpr %l0, %tba ! restore PROM tba
wrpr %g0, 0x14, %pstate ! restore PROM normal globals
ldx [%sp + 2047 + 0x120], %g1
ldx [%sp + 2047 + 0x128], %g2
ldx [%sp + 2047 + 0x130], %g3
ldx [%sp + 2047 + 0x138], %g4
ldx [%sp + 2047 + 0x140], %g5
ldx [%sp + 2047 + 0x148], %g6
ldx [%sp + 2047 + 0x150], %g7
wrpr %g0, 0x814, %pstate ! restore PROM interrupt globals
ldx [%sp + 2047 + 0x0e8], %g1
ldx [%sp + 2047 + 0x0f0], %g2
ldx [%sp + 2047 + 0x0f8], %g3
ldx [%sp + 2047 + 0x100], %g4
ldx [%sp + 2047 + 0x108], %g5
ldx [%sp + 2047 + 0x110], %g6
ldx [%sp + 2047 + 0x118], %g7
wrpr %g0, 0x15, %pstate ! restore PROM alternate globals
ldx [%sp + 2047 + 0x0b0], %g1
ldx [%sp + 2047 + 0x0b8], %g2
ldx [%sp + 2047 + 0x0c0], %g3
ldx [%sp + 2047 + 0x0c8], %g4
ldx [%sp + 2047 + 0x0d0], %g5
ldx [%sp + 2047 + 0x0d8], %g6
ldx [%sp + 2047 + 0x0e0], %g7
wrpr %l4, 0, %pstate
ret
restore %l1, 0, %o0
arch/sparc64/prom/p1275.c
View file @ 157c9052
......@@ -27,225 +27,8 @@ struct {
extern void prom_world(int);
void prom_cif_interface (void)
{
__asm__ __volatile__ (
" mov %0, %%o0\n"
" ldx [%%o0 + 0x010], %%o1 ! prom_cif_stack\n"
" save %%o1, -0x190, %%sp\n"
" ldx [%%i0 + 0x008], %%l2 ! prom_cif_handler\n"
" rdpr %%pstate, %%l4\n"
" wrpr %%g0, 0x15, %%pstate ! save alternate globals\n"
" stx %%g1, [%%sp + 2047 + 0x0b0]\n"
" stx %%g2, [%%sp + 2047 + 0x0b8]\n"
" stx %%g3, [%%sp + 2047 + 0x0c0]\n"
" stx %%g4, [%%sp + 2047 + 0x0c8]\n"
" stx %%g5, [%%sp + 2047 + 0x0d0]\n"
" stx %%g6, [%%sp + 2047 + 0x0d8]\n"
" stx %%g7, [%%sp + 2047 + 0x0e0]\n"
" wrpr %%g0, 0x814, %%pstate ! save interrupt globals\n"
" stx %%g1, [%%sp + 2047 + 0x0e8]\n"
" stx %%g2, [%%sp + 2047 + 0x0f0]\n"
" stx %%g3, [%%sp + 2047 + 0x0f8]\n"
" stx %%g4, [%%sp + 2047 + 0x100]\n"
" stx %%g5, [%%sp + 2047 + 0x108]\n"
" stx %%g6, [%%sp + 2047 + 0x110]\n"
" stx %%g7, [%%sp + 2047 + 0x118]\n"
" wrpr %%g0, 0x14, %%pstate ! save normal globals\n"
" stx %%g1, [%%sp + 2047 + 0x120]\n"
" stx %%g2, [%%sp + 2047 + 0x128]\n"
" stx %%g3, [%%sp + 2047 + 0x130]\n"
" stx %%g4, [%%sp + 2047 + 0x138]\n"
" stx %%g5, [%%sp + 2047 + 0x140]\n"
" stx %%g6, [%%sp + 2047 + 0x148]\n"
" stx %%g7, [%%sp + 2047 + 0x150]\n"
" wrpr %%g0, 0x414, %%pstate ! save mmu globals\n"
" stx %%g1, [%%sp + 2047 + 0x158]\n"
" stx %%g2, [%%sp + 2047 + 0x160]\n"
" stx %%g3, [%%sp + 2047 + 0x168]\n"
" stx %%g4, [%%sp + 2047 + 0x170]\n"
" stx %%g5, [%%sp + 2047 + 0x178]\n"
" stx %%g6, [%%sp + 2047 + 0x180]\n"
" stx %%g7, [%%sp + 2047 + 0x188]\n"
" mov %%g1, %%l0 ! also save to locals, so we can handle\n"
" mov %%g2, %%l1 ! tlb faults later on, when accessing\n"
" mov %%g3, %%l3 ! the stack.\n"
" mov %%g7, %%l5\n"
" wrpr %%l4, %1, %%pstate ! turn off interrupts\n"
" call %%l2\n"
" add %%i0, 0x018, %%o0 ! prom_args\n"
" wrpr %%g0, 0x414, %%pstate ! restore mmu globals\n"
" mov %%l0, %%g1\n"
" mov %%l1, %%g2\n"
" mov %%l3, %%g3\n"
" mov %%l5, %%g7\n"
" wrpr %%g0, 0x14, %%pstate ! restore normal globals\n"
" ldx [%%sp + 2047 + 0x120], %%g1\n"
" ldx [%%sp + 2047 + 0x128], %%g2\n"
" ldx [%%sp + 2047 + 0x130], %%g3\n"
" ldx [%%sp + 2047 + 0x138], %%g4\n"
" ldx [%%sp + 2047 + 0x140], %%g5\n"
" ldx [%%sp + 2047 + 0x148], %%g6\n"
" ldx [%%sp + 2047 + 0x150], %%g7\n"
" wrpr %%g0, 0x814, %%pstate ! restore interrupt globals\n"
" ldx [%%sp + 2047 + 0x0e8], %%g1\n"
" ldx [%%sp + 2047 + 0x0f0], %%g2\n"
" ldx [%%sp + 2047 + 0x0f8], %%g3\n"
" ldx [%%sp + 2047 + 0x100], %%g4\n"
" ldx [%%sp + 2047 + 0x108], %%g5\n"
" ldx [%%sp + 2047 + 0x110], %%g6\n"
" ldx [%%sp + 2047 + 0x118], %%g7\n"
" wrpr %%g0, 0x15, %%pstate ! restore alternate globals\n"
" ldx [%%sp + 2047 + 0x0b0], %%g1\n"
" ldx [%%sp + 2047 + 0x0b8], %%g2\n"
" ldx [%%sp + 2047 + 0x0c0], %%g3\n"
" ldx [%%sp + 2047 + 0x0c8], %%g4\n"
" ldx [%%sp + 2047 + 0x0d0], %%g5\n"
" ldx [%%sp + 2047 + 0x0d8], %%g6\n"
" ldx [%%sp + 2047 + 0x0e0], %%g7\n"
" wrpr %%l4, 0, %%pstate ! restore original pstate\n"
" ret\n"
" restore\n"
" " : : "r" (&p1275buf), "i" (PSTATE_IE));
}
void prom_cif_callback(void)
{
__asm__ __volatile__ (
" mov %0, %%o1\n"
" save %%sp, -0x270, %%sp\n"
" rdpr %%pstate, %%l4\n"
" wrpr %%g0, 0x15, %%pstate ! save PROM alternate globals\n"
" stx %%g1, [%%sp + 2047 + 0x0b0]\n"
" stx %%g2, [%%sp + 2047 + 0x0b8]\n"
" stx %%g3, [%%sp + 2047 + 0x0c0]\n"
" stx %%g4, [%%sp + 2047 + 0x0c8]\n"
" stx %%g5, [%%sp + 2047 + 0x0d0]\n"
" stx %%g6, [%%sp + 2047 + 0x0d8]\n"
" stx %%g7, [%%sp + 2047 + 0x0e0]\n"
" ! restore Linux alternate globals\n"
" ldx [%%sp + 2047 + 0x190], %%g1\n"
" ldx [%%sp + 2047 + 0x198], %%g2\n"
" ldx [%%sp + 2047 + 0x1a0], %%g3\n"
" ldx [%%sp + 2047 + 0x1a8], %%g4\n"
" ldx [%%sp + 2047 + 0x1b0], %%g5\n"
" ldx [%%sp + 2047 + 0x1b8], %%g6\n"
" ldx [%%sp + 2047 + 0x1c0], %%g7\n"
" wrpr %%g0, 0x814, %%pstate ! save PROM interrupt globals\n"
" stx %%g1, [%%sp + 2047 + 0x0e8]\n"
" stx %%g2, [%%sp + 2047 + 0x0f0]\n"
" stx %%g3, [%%sp + 2047 + 0x0f8]\n"
" stx %%g4, [%%sp + 2047 + 0x100]\n"
" stx %%g5, [%%sp + 2047 + 0x108]\n"
" stx %%g6, [%%sp + 2047 + 0x110]\n"
" stx %%g7, [%%sp + 2047 + 0x118]\n"
" ! restore Linux interrupt globals\n"
" ldx [%%sp + 2047 + 0x1c8], %%g1\n"
" ldx [%%sp + 2047 + 0x1d0], %%g2\n"
" ldx [%%sp + 2047 + 0x1d8], %%g3\n"
" ldx [%%sp + 2047 + 0x1e0], %%g4\n"
" ldx [%%sp + 2047 + 0x1e8], %%g5\n"
" ldx [%%sp + 2047 + 0x1f0], %%g6\n"
" ldx [%%sp + 2047 + 0x1f8], %%g7\n"
" wrpr %%g0, 0x14, %%pstate ! save PROM normal globals\n"
" stx %%g1, [%%sp + 2047 + 0x120]\n"
" stx %%g2, [%%sp + 2047 + 0x128]\n"
" stx %%g3, [%%sp + 2047 + 0x130]\n"
" stx %%g4, [%%sp + 2047 + 0x138]\n"
" stx %%g5, [%%sp + 2047 + 0x140]\n"
" stx %%g6, [%%sp + 2047 + 0x148]\n"
" stx %%g7, [%%sp + 2047 + 0x150]\n"
" ! restore Linux normal globals\n"
" ldx [%%sp + 2047 + 0x200], %%g1\n"
" ldx [%%sp + 2047 + 0x208], %%g2\n"
" ldx [%%sp + 2047 + 0x210], %%g3\n"
" ldx [%%sp + 2047 + 0x218], %%g4\n"
" ldx [%%sp + 2047 + 0x220], %%g5\n"
" ldx [%%sp + 2047 + 0x228], %%g6\n"
" ldx [%%sp + 2047 + 0x230], %%g7\n"
" wrpr %%g0, 0x414, %%pstate ! save PROM mmu globals\n"
" stx %%g1, [%%sp + 2047 + 0x158]\n"
" stx %%g2, [%%sp + 2047 + 0x160]\n"
" stx %%g3, [%%sp + 2047 + 0x168]\n"
" stx %%g4, [%%sp + 2047 + 0x170]\n"
" stx %%g5, [%%sp + 2047 + 0x178]\n"
" stx %%g6, [%%sp + 2047 + 0x180]\n"
" stx %%g7, [%%sp + 2047 + 0x188]\n"
" ! restore Linux mmu globals\n"
" ldx [%%sp + 2047 + 0x238], %%o0\n"
" ldx [%%sp + 2047 + 0x240], %%o1\n"
" ldx [%%sp + 2047 + 0x248], %%l2\n"
" ldx [%%sp + 2047 + 0x250], %%l3\n"
" ldx [%%sp + 2047 + 0x258], %%l5\n"
" ldx [%%sp + 2047 + 0x260], %%l6\n"
" ldx [%%sp + 2047 + 0x268], %%l7\n"
" ! switch to Linux tba\n"
" sethi %%hi(sparc64_ttable_tl0), %%l1\n"
" rdpr %%tba, %%l0 ! save PROM tba\n"
" mov %%o0, %%g1\n"
" mov %%o1, %%g2\n"
" mov %%l2, %%g3\n"
" mov %%l3, %%g4\n"
" mov %%l5, %%g5\n"
" mov %%l6, %%g6\n"
" mov %%l7, %%g7\n"
" wrpr %%l1, %%tba ! install Linux tba\n"
" wrpr %%l4, 0, %%pstate ! restore PSTATE\n"
" call prom_world\n"
" mov %%g0, %%o0\n"
" ldx [%%i1 + 0x000], %%l2\n"
" call %%l2\n"
" mov %%i0, %%o0\n"
" mov %%o0, %%l1\n"
" call prom_world\n"
" or %%g0, 1, %%o0\n"
" wrpr %%g0, 0x14, %%pstate ! interrupts off\n"
" ! restore PROM mmu globals\n"
" ldx [%%sp + 2047 + 0x158], %%o0\n"
" ldx [%%sp + 2047 + 0x160], %%o1\n"
" ldx [%%sp + 2047 + 0x168], %%l2\n"
" ldx [%%sp + 2047 + 0x170], %%l3\n"
" ldx [%%sp + 2047 + 0x178], %%l5\n"
" ldx [%%sp + 2047 + 0x180], %%l6\n"
" ldx [%%sp + 2047 + 0x188], %%l7\n"
" wrpr %%g0, 0x414, %%pstate ! restore PROM mmu globals\n"
" mov %%o0, %%g1\n"
" mov %%o1, %%g2\n"
" mov %%l2, %%g3\n"
" mov %%l3, %%g4\n"
" mov %%l5, %%g5\n"
" mov %%l6, %%g6\n"
" mov %%l7, %%g7\n"
" wrpr %%l0, %%tba ! restore PROM tba\n"
" wrpr %%g0, 0x14, %%pstate ! restore PROM normal globals\n"
" ldx [%%sp + 2047 + 0x120], %%g1\n"
" ldx [%%sp + 2047 + 0x128], %%g2\n"
" ldx [%%sp + 2047 + 0x130], %%g3\n"
" ldx [%%sp + 2047 + 0x138], %%g4\n"
" ldx [%%sp + 2047 + 0x140], %%g5\n"
" ldx [%%sp + 2047 + 0x148], %%g6\n"
" ldx [%%sp + 2047 + 0x150], %%g7\n"
" wrpr %%g0, 0x814, %%pstate ! restore PROM interrupt globals\n"
" ldx [%%sp + 2047 + 0x0e8], %%g1\n"
" ldx [%%sp + 2047 + 0x0f0], %%g2\n"
" ldx [%%sp + 2047 + 0x0f8], %%g3\n"
" ldx [%%sp + 2047 + 0x100], %%g4\n"
" ldx [%%sp + 2047 + 0x108], %%g5\n"
" ldx [%%sp + 2047 + 0x110], %%g6\n"
" ldx [%%sp + 2047 + 0x118], %%g7\n"
" wrpr %%g0, 0x15, %%pstate ! restore PROM alternate globals\n"
" ldx [%%sp + 2047 + 0x0b0], %%g1\n"
" ldx [%%sp + 2047 + 0x0b8], %%g2\n"
" ldx [%%sp + 2047 + 0x0c0], %%g3\n"
" ldx [%%sp + 2047 + 0x0c8], %%g4\n"
" ldx [%%sp + 2047 + 0x0d0], %%g5\n"
" ldx [%%sp + 2047 + 0x0d8], %%g6\n"
" ldx [%%sp + 2047 + 0x0e0], %%g7\n"
" wrpr %%l4, 0, %%pstate\n"
" ret\n"
" restore %%l1, 0, %%o0\n"
" " : : "r" (&p1275buf), "i" (PSTATE_PRIV));
}
extern void prom_cif_interface(void);
extern void prom_cif_callback(void);
/*
* This provides SMP safety on the p1275buf. prom_callback() drops this lock
......
include/asm-sparc64/uaccess.h
View file @ 157c9052
......@@ -49,10 +49,10 @@ do { \
__asm__ __volatile__ ("wr %%g0, %0, %%asi" : : "r" ((val).seg)); \
} while(0)
#define __user_ok(addr,size) 1
#define __user_ok(addr,size) ((void)(addr), (void)(size), 1)
#define __kernel_ok (segment_eq(get_fs(), KERNEL_DS))
#define __access_ok(addr,size) 1
#define access_ok(type,addr,size) 1
#define __access_ok(addr,size) ((void)(addr), (void)(size), 1)
#define access_ok(type,addr,size) ((void)(type), (void)(addr), (void)(size), 1)
static inline int verify_area(int type, const void __user * addr, unsigned long size)
{
......
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