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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2016-07-27 16:56:47 +1000
committerDavid Gibson <david@gibson.dropbear.id.au>2016-09-07 12:40:11 +1000
commit65f2475f1f3b46086dfeef9ba882ea3d9d909d57 (patch)
tree8930396ad134c6568ddf52b923b79095c3790162 /target-ppc/translate.c
parent5f2a6254522bd4cfb917822f678b117e6f005664 (diff)
ppc: Use a helper to generate "LE unsupported" alignment interrupts
Some operations aren't allowed in LE mode, use a helper rather than open coding the exception generation. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target-ppc/translate.c')
-rw-r--r--target-ppc/translate.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 59864356b1..1315656448 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -2427,6 +2427,12 @@ static inline void gen_check_align(DisasContext *ctx, TCGv EA, int mask)
tcg_temp_free(t0);
}
+static inline void gen_align_no_le(DisasContext *ctx)
+{
+ gen_exception_err(ctx, POWERPC_EXCP_ALIGN,
+ (ctx->opcode & 0x03FF0000) | POWERPC_EXCP_ALIGN_LE);
+}
+
/*** Integer load ***/
static inline void gen_qemu_ld8u(DisasContext *ctx, TCGv arg1, TCGv arg2)
{
@@ -2647,10 +2653,9 @@ static void gen_lq(DisasContext *ctx)
}
if (!le_is_supported && ctx->le_mode) {
- gen_exception_err(ctx, POWERPC_EXCP_ALIGN, POWERPC_EXCP_ALIGN_LE);
+ gen_align_no_le(ctx);
return;
}
-
ra = rA(ctx->opcode);
rd = rD(ctx->opcode);
if (unlikely((rd & 1) || rd == ra)) {
@@ -2781,7 +2786,7 @@ static void gen_std(DisasContext *ctx)
}
if (!le_is_supported && ctx->le_mode) {
- gen_exception_err(ctx, POWERPC_EXCP_ALIGN, POWERPC_EXCP_ALIGN_LE);
+ gen_align_no_le(ctx);
return;
}