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| author | Rusty Russell <rusty@rustcorp.com.au> | 2008-12-31 12:35:57 (GMT) |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2008-12-31 12:35:57 (GMT) |
| commit | 2ca1a615835d9f4990f42102ab1f2ef434e7e89c (patch) | |
| tree | 726cf3d5f29a6c66c44e4bd68e7ebed2fd83d059 /arch/sparc/prom/cif.S | |
| parent | e12f0102ac81d660c9f801d0a0e10ccf4537a9de (diff) | |
| parent | 6a94cb73064c952255336cc57731904174b2c58f (diff) | |
| download | linux-fsl-qoriq-2ca1a615835d9f4990f42102ab1f2ef434e7e89c.tar.xz | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
arch/x86/kernel/io_apic.c
Diffstat (limited to 'arch/sparc/prom/cif.S')
| -rw-r--r-- | arch/sparc/prom/cif.S | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/sparc/prom/cif.S b/arch/sparc/prom/cif.S new file mode 100644 index 0000000..5f27ad7 --- /dev/null +++ b/arch/sparc/prom/cif.S @@ -0,0 +1,48 @@ +/* cif.S: PROM entry/exit assembler trampolines. + * + * Copyright (C) 1996, 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) + * Copyright (C) 2005, 2006 David S. Miller <davem@davemloft.net> + */ + +#include <asm/pstate.h> +#include <asm/cpudata.h> +#include <asm/thread_info.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, -192, %sp + ldx [%i0 + 0x008], %l2 ! prom_cif_handler + mov %g4, %l0 + mov %g5, %l1 + mov %g6, %l3 + call %l2 + add %i0, 0x018, %o0 ! prom_args + mov %l0, %g4 + mov %l1, %g5 + mov %l3, %g6 + ret + restore + + .globl prom_cif_callback +prom_cif_callback: + sethi %hi(p1275buf), %o1 + or %o1, %lo(p1275buf), %o1 + save %sp, -192, %sp + TRAP_LOAD_THREAD_REG(%g6, %g1) + LOAD_PER_CPU_BASE(%g5, %g6, %g4, %g3, %o0) + ldx [%g6 + TI_TASK], %g4 + call prom_world + mov 0, %o0 + ldx [%i1 + 0x000], %l2 + call %l2 + mov %i0, %o0 + mov %o0, %l1 + call prom_world + mov 1, %o0 + ret + restore %l1, 0, %o0 + |