diff options
Diffstat (limited to 'arch/powerpc/include/asm')
| -rw-r--r-- | arch/powerpc/include/asm/exception-64e.h | 5 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/kvm_booke_hv_asm.h | 9 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/paca.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/reg.h | 13 |
4 files changed, 14 insertions, 15 deletions
diff --git a/arch/powerpc/include/asm/exception-64e.h b/arch/powerpc/include/asm/exception-64e.h index 51fa43e536b9..e73452f09019 100644 --- a/arch/powerpc/include/asm/exception-64e.h +++ b/arch/powerpc/include/asm/exception-64e.h @@ -46,9 +46,8 @@ #define EX_CR (1 * 8) #define EX_R10 (2 * 8) #define EX_R11 (3 * 8) -#define EX_R13 (4 * 8) -#define EX_R14 (5 * 8) -#define EX_R15 (6 * 8) +#define EX_R14 (4 * 8) +#define EX_R15 (5 * 8) /* * The TLB miss exception uses different slots. diff --git a/arch/powerpc/include/asm/kvm_booke_hv_asm.h b/arch/powerpc/include/asm/kvm_booke_hv_asm.h index 3a79f5325712..c3e3fd53a3a9 100644 --- a/arch/powerpc/include/asm/kvm_booke_hv_asm.h +++ b/arch/powerpc/include/asm/kvm_booke_hv_asm.h @@ -36,20 +36,13 @@ * *(r8 + GPR11) = saved r11 * * 64-bit host - * Expected inputs (GEN/GDBELL/DBG/MC exception types): + * Expected inputs (GEN/GDBELL/DBG/CRIT/MC exception types): * r10 = saved CR * r13 = PACA_POINTER * *(r13 + PACA_EX##type + EX_R10) = saved r10 * *(r13 + PACA_EX##type + EX_R11) = saved r11 * SPRN_SPRG_##type##_SCRATCH = saved r13 * - * Expected inputs (CRIT exception type): - * r10 = saved CR - * r13 = PACA_POINTER - * *(r13 + PACA_EX##type + EX_R10) = saved r10 - * *(r13 + PACA_EX##type + EX_R11) = saved r11 - * *(r13 + PACA_EX##type + EX_R13) = saved r13 - * * Expected inputs (TLB exception type): * r10 = saved CR * r13 = PACA_POINTER diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index 9c5dbc3833fb..948f01a04cc3 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -146,7 +146,7 @@ struct paca_struct { u8 io_sync; /* writel() needs spin_unlock sync */ u8 irq_work_pending; /* IRQ_WORK interrupt while soft-disable */ u8 nap_state_lost; /* NV GPR values lost in power7_idle */ - u64 sprg3; /* Saved user-visible sprg */ + u64 sprg_vdso; /* Saved user-visible sprg */ #ifdef CONFIG_PPC_TRANSACTIONAL_MEM u64 tm_scratch; /* TM scratch area for reclaim */ #endif diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index bf0fb4db0855..f7251c2dc049 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -577,9 +577,13 @@ #define SPRN_SPRG3 0x113 /* Special Purpose Register General 3 */ #define SPRN_USPRG3 0x103 /* SPRG3 userspace read */ #define SPRN_SPRG4 0x114 /* Special Purpose Register General 4 */ +#define SPRN_USPRG4 0x104 /* SPRG4 userspace read */ #define SPRN_SPRG5 0x115 /* Special Purpose Register General 5 */ +#define SPRN_USPRG5 0x105 /* SPRG5 userspace read */ #define SPRN_SPRG6 0x116 /* Special Purpose Register General 6 */ +#define SPRN_USPRG6 0x106 /* SPRG6 userspace read */ #define SPRN_SPRG7 0x117 /* Special Purpose Register General 7 */ +#define SPRN_USPRG7 0x107 /* SPRG7 userspace read */ #define SPRN_SRR0 0x01A /* Save/Restore Register 0 */ #define SPRN_SRR1 0x01B /* Save/Restore Register 1 */ #define SRR1_ISI_NOPT 0x40000000 /* ISI: Not found in hash */ @@ -879,11 +883,10 @@ * 64-bit embedded * - SPRG0 generic exception scratch * - SPRG2 TLB exception stack - * - SPRG3 critical exception scratch and - * CPU and NUMA node for VDSO getcpu (user visible) + * - SPRG3 critical exception scratch (user visible, sorry!) * - SPRG4 unused (user visible) * - SPRG6 TLB miss scratch (user visible, sorry !) - * - SPRG7 critical exception scratch + * - SPRG7 CPU and NUMA node for VDSO getcpu (user visible) * - SPRG8 machine check exception scratch * - SPRG9 debug exception scratch * @@ -940,6 +943,8 @@ #define SPRN_SPRG_SCRATCH0 SPRN_SPRG2 #define SPRN_SPRG_HPACA SPRN_HSPRG0 #define SPRN_SPRG_HSCRATCH0 SPRN_HSPRG1 +#define SPRN_SPRG_VDSO_READ SPRN_USPRG3 +#define SPRN_SPRG_VDSO_WRITE SPRN_SPRG3 #define GET_PACA(rX) \ BEGIN_FTR_SECTION_NESTED(66); \ @@ -983,6 +988,8 @@ #define SPRN_SPRG_TLB_SCRATCH SPRN_SPRG6 #define SPRN_SPRG_GEN_SCRATCH SPRN_SPRG0 #define SPRN_SPRG_GDBELL_SCRATCH SPRN_SPRG_GEN_SCRATCH +#define SPRN_SPRG_VDSO_READ SPRN_USPRG7 +#define SPRN_SPRG_VDSO_WRITE SPRN_SPRG7 #define SET_PACA(rX) mtspr SPRN_SPRG_PACA,rX #define GET_PACA(rX) mfspr rX,SPRN_SPRG_PACA |