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| author | Artyom Tarasenko | 2016-03-02 14:53:38 +0100 |
|---|---|---|
| committer | Artyom Tarasenko | 2017-01-18 22:03:44 +0100 |
| commit | 9a10756d1204c3528e47892195349bf882069846 (patch) | |
| tree | bb6b3067a56f7faffe2fd5d23a0a4f4d2504d0dd /target | |
| parent | target-sparc: implement UltraSPARC-T1 Strand status ASR (diff) | |
| download | qemu-9a10756d1204c3528e47892195349bf882069846.tar.gz qemu-9a10756d1204c3528e47892195349bf882069846.tar.xz qemu-9a10756d1204c3528e47892195349bf882069846.zip | |
target-sparc: hypervisor mode takes over nucleus mode
Accordinf to UA2005, 9.3.3 "Address Space Identifiers",
"In hyperprivileged mode, all instruction fetches and loads and stores with implicit
ASIs use a physical address, regardless of the value of TL".
Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com>
Diffstat (limited to 'target')
| -rw-r--r-- | target/sparc/cpu.h | 4 | ||||
| -rw-r--r-- | target/sparc/translate.c | 6 |
2 files changed, 7 insertions, 3 deletions
diff --git a/target/sparc/cpu.h b/target/sparc/cpu.h index 9307b9135a..00fbb4ee1a 100644 --- a/target/sparc/cpu.h +++ b/target/sparc/cpu.h @@ -719,10 +719,10 @@ static inline int cpu_mmu_index(CPUSPARCState *env, bool ifetch) ? (env->lsu & IMMU_E) == 0 || (env->pstate & PS_RED) != 0 : (env->lsu & DMMU_E) == 0) { return MMU_PHYS_IDX; - } else if (env->tl > 0) { - return MMU_NUCLEUS_IDX; } else if (cpu_hypervisor_mode(env)) { return MMU_HYPV_IDX; + } else if (env->tl > 0) { + return MMU_NUCLEUS_IDX; } else if (cpu_supervisor_mode(env)) { return MMU_KERNEL_IDX; } else { diff --git a/target/sparc/translate.c b/target/sparc/translate.c index 8902e44ca2..009ea3ac92 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -2142,7 +2142,11 @@ static DisasASI get_asi(DisasContext *dc, int insn, TCGMemOp memop) case ASI_TWINX_NL: case ASI_NUCLEUS_QUAD_LDD: case ASI_NUCLEUS_QUAD_LDD_L: - mem_idx = MMU_NUCLEUS_IDX; + if (hypervisor(dc)) { + mem_idx = MMU_HYPV_IDX; + } else { + mem_idx = MMU_NUCLEUS_IDX; + } break; case ASI_AIUP: /* As if user primary */ case ASI_AIUPL: /* As if user primary LE */ |