diff options
Diffstat (limited to 'target/ppc/translate.c')
| -rw-r--r-- | target/ppc/translate.c | 53 |
1 files changed, 52 insertions, 1 deletions
diff --git a/target/ppc/translate.c b/target/ppc/translate.c index 338529879f..4ce3d664b5 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -173,6 +173,7 @@ struct DisasContext { bool vsx_enabled; bool spe_enabled; bool tm_enabled; + bool scv_enabled; bool gtse; ppc_spr_t *spr_cb; /* Needed to check rights for mfspr/mtspr */ int singlestep_enabled; @@ -4030,6 +4031,24 @@ static void gen_rfid(DisasContext *ctx) #endif } +#if !defined(CONFIG_USER_ONLY) +static void gen_rfscv(DisasContext *ctx) +{ +#if defined(CONFIG_USER_ONLY) + GEN_PRIV; +#else + /* Restore CPU state */ + CHK_SV; + if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) { + gen_io_start(); + } + gen_update_cfar(ctx, ctx->base.pc_next - 4); + gen_helper_rfscv(cpu_env); + gen_sync_exception(ctx); +#endif +} +#endif + static void gen_hrfid(DisasContext *ctx) { #if defined(CONFIG_USER_ONLY) @@ -4048,6 +4067,7 @@ static void gen_hrfid(DisasContext *ctx) #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL_USER #else #define POWERPC_SYSCALL POWERPC_EXCP_SYSCALL +#define POWERPC_SYSCALL_VECTORED POWERPC_EXCP_SYSCALL_VECTORED #endif static void gen_sc(DisasContext *ctx) { @@ -4057,6 +4077,23 @@ static void gen_sc(DisasContext *ctx) gen_exception_err(ctx, POWERPC_SYSCALL, lev); } +#if defined(TARGET_PPC64) +#if !defined(CONFIG_USER_ONLY) +static void gen_scv(DisasContext *ctx) +{ + uint32_t lev; + + if (unlikely(!ctx->scv_enabled)) { + gen_exception_err(ctx, POWERPC_EXCP_FU, FSCR_IC_SCV); + return; + } + + lev = (ctx->opcode >> 5) & 0x7F; + gen_exception_err(ctx, POWERPC_SYSCALL_VECTORED, lev); +} +#endif +#endif + /*** Trap ***/ /* Check for unconditional traps (always or never) */ @@ -7049,6 +7086,12 @@ GEN_HANDLER(mcrf, 0x13, 0x00, 0xFF, 0x00000001, PPC_INTEGER), GEN_HANDLER(rfi, 0x13, 0x12, 0x01, 0x03FF8001, PPC_FLOW), #if defined(TARGET_PPC64) GEN_HANDLER(rfid, 0x13, 0x12, 0x00, 0x03FF8001, PPC_64B), +#if !defined(CONFIG_USER_ONLY) +/* Top bit of opc2 corresponds with low bit of LEV, so use two handlers */ +GEN_HANDLER_E(scv, 0x11, 0x10, 0xFF, 0x03FFF01E, PPC_NONE, PPC2_ISA300), +GEN_HANDLER_E(scv, 0x11, 0x00, 0xFF, 0x03FFF01E, PPC_NONE, PPC2_ISA300), +GEN_HANDLER_E(rfscv, 0x13, 0x12, 0x02, 0x03FF8001, PPC_NONE, PPC2_ISA300), +#endif GEN_HANDLER_E(stop, 0x13, 0x12, 0x0b, 0x03FFF801, PPC_NONE, PPC2_ISA300), GEN_HANDLER_E(doze, 0x13, 0x12, 0x0c, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), GEN_HANDLER_E(nap, 0x13, 0x12, 0x0d, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), @@ -7056,7 +7099,9 @@ GEN_HANDLER_E(sleep, 0x13, 0x12, 0x0e, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), GEN_HANDLER_E(rvwinkle, 0x13, 0x12, 0x0f, 0x03FFF801, PPC_NONE, PPC2_PM_ISA206), GEN_HANDLER(hrfid, 0x13, 0x12, 0x08, 0x03FF8001, PPC_64H), #endif -GEN_HANDLER(sc, 0x11, 0xFF, 0xFF, 0x03FFF01D, PPC_FLOW), +/* Top bit of opc2 corresponds with low bit of LEV, so use two handlers */ +GEN_HANDLER(sc, 0x11, 0x11, 0xFF, 0x03FFF01D, PPC_FLOW), +GEN_HANDLER(sc, 0x11, 0x01, 0xFF, 0x03FFF01D, PPC_FLOW), GEN_HANDLER(tw, 0x1F, 0x04, 0x00, 0x00000001, PPC_FLOW), GEN_HANDLER(twi, 0x03, 0xFF, 0xFF, 0x00000000, PPC_FLOW), #if defined(TARGET_PPC64) @@ -7835,6 +7880,12 @@ static void ppc_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs) } else { ctx->vsx_enabled = false; } + if ((env->flags & POWERPC_FLAG_SCV) + && (env->spr[SPR_FSCR] & (1ull << FSCR_SCV))) { + ctx->scv_enabled = true; + } else { + ctx->scv_enabled = false; + } #if defined(TARGET_PPC64) if ((env->flags & POWERPC_FLAG_TM) && msr_tm) { ctx->tm_enabled = !!msr_tm; |