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author | BALATON Zoltan <balaton@eik.bme.hu> | 2024-05-27 01:12:46 +0200 |
---|---|---|
committer | Nicholas Piggin <npiggin@gmail.com> | 2024-07-26 09:51:34 +1000 |
commit | f8e0cc94192bd040421ff704a8efdc3a83391ffe (patch) | |
tree | 7fee21dcda6b7546cfa816ceb0c3b8d50d6489b9 /target/ppc | |
parent | f6f8838b055d231ee4bfc31ddaac95fae20834b6 (diff) | |
download | qemu-f8e0cc94192bd040421ff704a8efdc3a83391ffe.zip qemu-f8e0cc94192bd040421ff704a8efdc3a83391ffe.tar.gz qemu-f8e0cc94192bd040421ff704a8efdc3a83391ffe.tar.bz2 |
target/ppc/mmu_common.c: Remove pte_update_flags()
This function is used only once, its return value is ignored and one
of its parameter is a return value from a previous call. It is better
to inline it in the caller and remove it.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Diffstat (limited to 'target/ppc')
-rw-r--r-- | target/ppc/mmu_common.c | 41 |
1 files changed, 13 insertions, 28 deletions
diff --git a/target/ppc/mmu_common.c b/target/ppc/mmu_common.c index e3537c6..c4902b7 100644 --- a/target/ppc/mmu_common.c +++ b/target/ppc/mmu_common.c @@ -119,39 +119,14 @@ static int ppc6xx_tlb_pte_check(mmu_ctx_t *ctx, target_ulong pte0, } } -static int pte_update_flags(mmu_ctx_t *ctx, target_ulong *pte1p, - int ret, MMUAccessType access_type) -{ - int store = 0; - - /* Update page flags */ - if (!(*pte1p & 0x00000100)) { - /* Update accessed flag */ - *pte1p |= 0x00000100; - store = 1; - } - if (!(*pte1p & 0x00000080)) { - if (access_type == MMU_DATA_STORE && ret == 0) { - /* Update changed flag */ - *pte1p |= 0x00000080; - store = 1; - } else { - /* Force page fault for first write access */ - ctx->prot &= ~PAGE_WRITE; - } - } - - return store; -} - /* Software driven TLB helpers */ static int ppc6xx_tlb_check(CPUPPCState *env, mmu_ctx_t *ctx, target_ulong eaddr, MMUAccessType access_type) { ppc6xx_tlb_t *tlb; - int nr, best, way; - int ret; + target_ulong *pte1p; + int nr, best, way, ret; best = -1; ret = -1; /* No TLB found */ @@ -204,7 +179,17 @@ done: " prot=%01x ret=%d\n", ctx->raddr & TARGET_PAGE_MASK, ctx->prot, ret); /* Update page flags */ - pte_update_flags(ctx, &env->tlb.tlb6[best].pte1, ret, access_type); + pte1p = &env->tlb.tlb6[best].pte1; + *pte1p |= 0x00000100; /* Update accessed flag */ + if (!(*pte1p & 0x00000080)) { + if (access_type == MMU_DATA_STORE && ret == 0) { + /* Update changed flag */ + *pte1p |= 0x00000080; + } else { + /* Force page fault for first write access */ + ctx->prot &= ~PAGE_WRITE; + } + } } #if defined(DUMP_PAGE_TABLES) if (qemu_loglevel_mask(CPU_LOG_MMU)) { |