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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-01-24 10:42:41 +0300 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-04-20 05:03:24 +0400 |
| commit | 948cf67c4726cca2fc57533dccadfb54d890689d (patch) | |
| tree | e763f1b49f66cf2c73b5a902063e2cb828e5d06c /arch/powerpc/include/asm/ppc-opcode.h | |
| parent | 9d07bc841c9779b4d7902e417f4e509996ce805d (diff) | |
| download | linux-948cf67c4726cca2fc57533dccadfb54d890689d.tar.xz | |
powerpc: Add NAP mode support on Power7 in HV mode
Wakeup comes from the system reset handler with a potential loss of
the non-hypervisor CPU state. We save the non-volatile state on the
stack and a pointer to it in the PACA, which the system reset handler
uses to restore things
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/ppc-opcode.h')
| -rw-r--r-- | arch/powerpc/include/asm/ppc-opcode.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index 1255569387b6..384a96db794a 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -56,6 +56,9 @@ #define PPC_INST_TLBSRX_DOT 0x7c0006a5 #define PPC_INST_XXLOR 0xf0000510 +#define PPC_INST_NAP 0x4c000364 +#define PPC_INST_SLEEP 0x4c0003a4 + /* macros to insert fields into opcodes */ #define __PPC_RA(a) (((a) & 0x1f) << 16) #define __PPC_RB(b) (((b) & 0x1f) << 11) @@ -126,4 +129,7 @@ #define XXLOR(t, a, b) stringify_in_c(.long PPC_INST_XXLOR | \ VSX_XX3((t), (a), (b))) +#define PPC_NAP stringify_in_c(.long PPC_INST_NAP) +#define PPC_SLEEP stringify_in_c(.long PPC_INST_SLEEP) + #endif /* _ASM_POWERPC_PPC_OPCODE_H */ |