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[Qemu-ppc] [PATCH v2] taget-ppc: Fix read access to IBAT registers highe
From: |
Julio Guerra |
Subject: |
[Qemu-ppc] [PATCH v2] taget-ppc: Fix read access to IBAT registers higher than IBAT3 |
Date: |
Wed, 14 Oct 2015 19:43:19 +0200 |
Fix the index used to read the IBAT's vector which results in IBAT0..3 instead
of IBAT4..N.
The bug appeared by saving/restoring contexts including IBATs values.
Signed-off-by: Julio Guerra <address@hidden>
---
target-ppc/translate_init.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index b541473..76d9a02 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -305,7 +305,7 @@ static void spr_read_ibat (DisasContext *ctx, int gprn, int
sprn)
static void spr_read_ibat_h (DisasContext *ctx, int gprn, int sprn)
{
- tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, offsetof(CPUPPCState, IBAT[sprn &
1][(sprn - SPR_IBAT4U) / 2]));
+ tcg_gen_ld_tl(cpu_gpr[gprn], cpu_env, offsetof(CPUPPCState, IBAT[sprn &
1][((sprn - SPR_IBAT4U) / 2) + 4]));
}
static void spr_write_ibatu (DisasContext *ctx, int sprn, int gprn)
--
2.5.2
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