X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=arch%2Fpowerpc%2Fkvm%2Fbook3s_rmhandlers.S;fp=arch%2Fpowerpc%2Fkvm%2Fbook3s_rmhandlers.S;h=2b9c9088d00e31ac1f6d9a53aab5b645a72b2e15;hb=690c12d2c8ca50e55a3f507059c780ecdb8fd83f;hp=506d5c316c966b2d30f265818827286ee61c69e1;hpb=f639011b4020a8230c8d09866f6eaadcb12e8dde;p=mv-sheeva.git diff --git a/arch/powerpc/kvm/book3s_rmhandlers.S b/arch/powerpc/kvm/book3s_rmhandlers.S index 506d5c316c9..2b9c9088d00 100644 --- a/arch/powerpc/kvm/book3s_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_rmhandlers.S @@ -202,8 +202,25 @@ _GLOBAL(kvmppc_rmcall) #if defined(CONFIG_PPC_BOOK3S_32) #define STACK_LR INT_FRAME_SIZE+4 + +/* load_up_xxx have to run with MSR_DR=0 on Book3S_32 */ +#define MSR_EXT_START \ + PPC_STL r20, _NIP(r1); \ + mfmsr r20; \ + LOAD_REG_IMMEDIATE(r3, MSR_DR|MSR_EE); \ + andc r3,r20,r3; /* Disable DR,EE */ \ + mtmsr r3; \ + sync + +#define MSR_EXT_END \ + mtmsr r20; /* Enable DR,EE */ \ + sync; \ + PPC_LL r20, _NIP(r1) + #elif defined(CONFIG_PPC_BOOK3S_64) #define STACK_LR _LINK +#define MSR_EXT_START +#define MSR_EXT_END #endif /* @@ -215,19 +232,12 @@ _GLOBAL(kvmppc_load_up_ ## what); \ PPC_STLU r1, -INT_FRAME_SIZE(r1); \ mflr r3; \ PPC_STL r3, STACK_LR(r1); \ - PPC_STL r20, _NIP(r1); \ - mfmsr r20; \ - LOAD_REG_IMMEDIATE(r3, MSR_DR|MSR_EE); \ - andc r3,r20,r3; /* Disable DR,EE */ \ - mtmsr r3; \ - sync; \ + MSR_EXT_START; \ \ bl FUNC(load_up_ ## what); \ \ - mtmsr r20; /* Enable DR,EE */ \ - sync; \ + MSR_EXT_END; \ PPC_LL r3, STACK_LR(r1); \ - PPC_LL r20, _NIP(r1); \ mtlr r3; \ addi r1, r1, INT_FRAME_SIZE; \ blr @@ -242,10 +252,10 @@ define_load_up(vsx) .global kvmppc_trampoline_lowmem kvmppc_trampoline_lowmem: - .long kvmppc_handler_lowmem_trampoline - CONFIG_KERNEL_START + PPC_LONG kvmppc_handler_lowmem_trampoline - CONFIG_KERNEL_START .global kvmppc_trampoline_enter kvmppc_trampoline_enter: - .long kvmppc_handler_trampoline_enter - CONFIG_KERNEL_START + PPC_LONG kvmppc_handler_trampoline_enter - CONFIG_KERNEL_START #include "book3s_segment.S"