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taget-ppc: Fix read access to IBAT registers higher than IBAT3 

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 <julio@farjump.io>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Julio Guerra 2015-10-14 19:43:19 +02:00 committed by Michael Tokarev
parent 68851b98e5
commit 3ede8f6996
1 changed files with 1 additions and 1 deletions
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2
target-ppc/translate_init.c
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@ -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)