diff options
Diffstat (limited to 'target/ppc')
| -rw-r--r-- | target/ppc/cpu.h | 21 | ||||
| -rw-r--r-- | target/ppc/excp_helper.c | 16 |
2 files changed, 29 insertions, 8 deletions
diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index c1005b04a0..1988b436cb 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -476,6 +476,27 @@ typedef struct ppc_v3_pate_t { #define SRR1_PROTFAULT DSISR_PROTFAULT #define SRR1_IAMR DSISR_AMR +/* SRR1[42:45] wakeup fields for System Reset Interrupt */ + +#define SRR1_WAKEMASK 0x003c0000 /* reason for wakeup */ + +#define SRR1_WAKEHMI 0x00280000 /* Hypervisor maintenance */ +#define SRR1_WAKEHVI 0x00240000 /* Hypervisor Virt. Interrupt (P9) */ +#define SRR1_WAKEEE 0x00200000 /* External interrupt */ +#define SRR1_WAKEDEC 0x00180000 /* Decrementer interrupt */ +#define SRR1_WAKEDBELL 0x00140000 /* Privileged doorbell */ +#define SRR1_WAKERESET 0x00100000 /* System reset */ +#define SRR1_WAKEHDBELL 0x000c0000 /* Hypervisor doorbell */ +#define SRR1_WAKESCOM 0x00080000 /* SCOM not in power-saving mode */ + +/* SRR1[46:47] power-saving exit mode */ + +#define SRR1_WAKESTATE 0x00030000 /* Powersave exit mask */ + +#define SRR1_WS_HVLOSS 0x00030000 /* HV resources not maintained */ +#define SRR1_WS_GPRLOSS 0x00020000 /* GPRs not maintained */ +#define SRR1_WS_NOLOSS 0x00010000 /* All resources maintained */ + /* Facility Status and Control (FSCR) bits */ #define FSCR_EBB (63 - 56) /* Event-Based Branch Facility */ #define FSCR_TAR (63 - 55) /* Target Address Register */ diff --git a/target/ppc/excp_helper.c b/target/ppc/excp_helper.c index 14d3902982..a988ba15f4 100644 --- a/target/ppc/excp_helper.c +++ b/target/ppc/excp_helper.c @@ -101,7 +101,7 @@ static int powerpc_reset_wakeup(CPUState *cs, CPUPPCState *env, int excp, env->resume_as_sreset = false; /* Pretend to be returning from doze always as we don't lose state */ - *msr |= (0x1ull << (63 - 47)); + *msr |= SRR1_WS_NOLOSS; /* Machine checks are sent normally */ if (excp == POWERPC_EXCP_MCHECK) { @@ -109,25 +109,25 @@ static int powerpc_reset_wakeup(CPUState *cs, CPUPPCState *env, int excp, } switch (excp) { case POWERPC_EXCP_RESET: - *msr |= 0x4ull << (63 - 45); + *msr |= SRR1_WAKERESET; break; case POWERPC_EXCP_EXTERNAL: - *msr |= 0x8ull << (63 - 45); + *msr |= SRR1_WAKEEE; break; case POWERPC_EXCP_DECR: - *msr |= 0x6ull << (63 - 45); + *msr |= SRR1_WAKEDEC; break; case POWERPC_EXCP_SDOOR: - *msr |= 0x5ull << (63 - 45); + *msr |= SRR1_WAKEDBELL; break; case POWERPC_EXCP_SDOOR_HV: - *msr |= 0x3ull << (63 - 45); + *msr |= SRR1_WAKEHDBELL; break; case POWERPC_EXCP_HV_MAINT: - *msr |= 0xaull << (63 - 45); + *msr |= SRR1_WAKEHMI; break; case POWERPC_EXCP_HVIRT: - *msr |= 0x9ull << (63 - 45); + *msr |= SRR1_WAKEHVI; break; default: cpu_abort(cs, "Unsupported exception %d in Power Save mode\n", |