diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-08-11 11:19:20 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-08-11 11:19:20 +0200 |
commit | 8067794bec1cc5de1431102cf0a6a1c7ce75cd85 (patch) | |
tree | 2bfa0fba060d253bbd972282b29a3d60c3e7cb7f /arch/sparc/include/asm/asmmacro.h | |
parent | 7ab6af7ab69df8c9c5fbc380004fb81187742096 (diff) | |
parent | 796aadeb1b2db9b5d463946766c5bbfd7717158c (diff) |
Merge branch 'linus' into x86/x2apic
Conflicts:
arch/x86/kernel/genapic_64.c
Manual merge:
arch/x86/kernel/genx2apic_uv_x.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/sparc/include/asm/asmmacro.h')
-rw-r--r-- | arch/sparc/include/asm/asmmacro.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/asmmacro.h b/arch/sparc/include/asm/asmmacro.h new file mode 100644 index 00000000000..a619a4d97aa --- /dev/null +++ b/arch/sparc/include/asm/asmmacro.h @@ -0,0 +1,45 @@ +/* asmmacro.h: Assembler macros. + * + * Copyright (C) 1996 David S. Miller (davem@caipfs.rutgers.edu) + */ + +#ifndef _SPARC_ASMMACRO_H +#define _SPARC_ASMMACRO_H + +#include <asm/btfixup.h> +#include <asm/asi.h> + +#define GET_PROCESSOR4M_ID(reg) \ + rd %tbr, %reg; \ + srl %reg, 12, %reg; \ + and %reg, 3, %reg; + +#define GET_PROCESSOR4D_ID(reg) \ + lda [%g0] ASI_M_VIKING_TMP1, %reg; + +/* All trap entry points _must_ begin with this macro or else you + * lose. It makes sure the kernel has a proper window so that + * c-code can be called. + */ +#define SAVE_ALL_HEAD \ + sethi %hi(trap_setup), %l4; \ + jmpl %l4 + %lo(trap_setup), %l6; +#define SAVE_ALL \ + SAVE_ALL_HEAD \ + nop; + +/* All traps low-level code here must end with this macro. */ +#define RESTORE_ALL b ret_trap_entry; clr %l6; + +/* sun4 probably wants half word accesses to ASI_SEGMAP, while sun4c+ + likes byte accesses. These are to avoid ifdef mania. */ + +#ifdef CONFIG_SUN4 +#define lduXa lduha +#define stXa stha +#else +#define lduXa lduba +#define stXa stba +#endif + +#endif /* !(_SPARC_ASMMACRO_H) */ |