diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2015-08-17 17:34:10 +1000 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2015-09-11 08:15:28 -0700 |
| commit | 97ed5ccdee95f0b98bedc601ff979e368583472c (patch) | |
| tree | 5ee711528010f3700f13983b8222c2ca7ae85c83 /target-mips | |
| parent | ba9cef7b6e487a5a8969db81d09b8eec8a2b50c6 (diff) | |
tlb: Add "ifetch" argument to cpu_mmu_index()
This is set to true when the index is for an instruction fetch
translation.
The core get_page_addr_code() sets it, as do the SOFTMMU_CODE_ACCESS
acessors.
All targets ignore it for now, and all other callers pass "false".
This will allow targets who wish to split the mmu index between
instruction and data accesses to do so. A subsequent patch will
do just that for PowerPC.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Message-Id: <1439796853-4410-2-git-send-email-benh@kernel.crashing.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-mips')
| -rw-r--r-- | target-mips/cpu.h | 2 | ||||
| -rw-r--r-- | target-mips/op_helper.c | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/target-mips/cpu.h b/target-mips/cpu.h index c91883d5e1..2acc4b3d0a 100644 --- a/target-mips/cpu.h +++ b/target-mips/cpu.h @@ -634,7 +634,7 @@ extern uint32_t cpu_rddsp(uint32_t mask_num, CPUMIPSState *env); #define MMU_MODE1_SUFFIX _super #define MMU_MODE2_SUFFIX _user #define MMU_USER_IDX 2 -static inline int cpu_mmu_index (CPUMIPSState *env) +static inline int cpu_mmu_index (CPUMIPSState *env, bool ifetch) { return env->hflags & MIPS_HFLAG_KSU; } diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c index 809a061e29..1aa9e3c9e4 100644 --- a/target-mips/op_helper.c +++ b/target-mips/op_helper.c @@ -3629,7 +3629,7 @@ FOP_CONDN_S(sne, (float32_lt(fst1, fst0, &env->active_fpu.fp_status) #if !defined(CONFIG_USER_ONLY) #define MEMOP_IDX(DF) \ TCGMemOpIdx oi = make_memop_idx(MO_TE | DF | MO_UNALN, \ - cpu_mmu_index(env)); + cpu_mmu_index(env, false)); #else #define MEMOP_IDX(DF) #endif @@ -3685,7 +3685,7 @@ void helper_msa_st_ ## TYPE(CPUMIPSState *env, uint32_t wd, \ target_ulong addr) \ { \ wr_t *pwd = &(env->active_fpu.fpr[wd].wr); \ - int mmu_idx = cpu_mmu_index(env); \ + int mmu_idx = cpu_mmu_index(env, false); \ int i; \ MEMOP_IDX(DF) \ ensure_writable_pages(env, addr, mmu_idx, GETRA()); \ |