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authorRichard Henderson <richard.henderson@linaro.org>2017-11-05 10:23:48 +0100
committerRichard Henderson <richard.henderson@linaro.org>2018-01-30 10:22:26 -0800
commitd0a851cc508b355a4d63e905e4f69a466f0d7f89 (patch)
tree6d8e917d29696e126c9ad8055b8da588ff71fe7b /target/hppa
parent63300a00ab52c770f8a76218d4a3a75e0db8a6d0 (diff)
target/hppa: Implement LDWA
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/hppa')
-rw-r--r--target/hppa/translate.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/target/hppa/translate.c b/target/hppa/translate.c
index 5b77688fc0..3d441ef4ac 100644
--- a/target/hppa/translate.c
+++ b/target/hppa/translate.c
@@ -2954,12 +2954,50 @@ static DisasJumpType trans_stby(DisasContext *ctx, uint32_t insn,
return nullify_end(ctx, DISAS_NEXT);
}
+#ifndef CONFIG_USER_ONLY
+static DisasJumpType trans_ldwa_idx_i(DisasContext *ctx, uint32_t insn,
+ const DisasInsn *di)
+{
+ int hold_mmu_idx = ctx->mmu_idx;
+ DisasJumpType ret;
+
+ CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR);
+
+ /* ??? needs fixing for hppa64 -- ldda does not follow the same
+ format wrt the sub-opcode in bits 6:9. */
+ ctx->mmu_idx = MMU_PHYS_IDX;
+ ret = trans_ld_idx_i(ctx, insn, di);
+ ctx->mmu_idx = hold_mmu_idx;
+ return ret;
+}
+
+static DisasJumpType trans_ldwa_idx_x(DisasContext *ctx, uint32_t insn,
+ const DisasInsn *di)
+{
+ int hold_mmu_idx = ctx->mmu_idx;
+ DisasJumpType ret;
+
+ CHECK_MOST_PRIVILEGED(EXCP_PRIV_OPR);
+
+ /* ??? needs fixing for hppa64 -- ldda does not follow the same
+ format wrt the sub-opcode in bits 6:9. */
+ ctx->mmu_idx = MMU_PHYS_IDX;
+ ret = trans_ld_idx_x(ctx, insn, di);
+ ctx->mmu_idx = hold_mmu_idx;
+ return ret;
+}
+#endif
+
static const DisasInsn table_index_mem[] = {
{ 0x0c001000u, 0xfc001300, trans_ld_idx_i }, /* LD[BHWD], im */
{ 0x0c000000u, 0xfc001300, trans_ld_idx_x }, /* LD[BHWD], rx */
{ 0x0c001200u, 0xfc001300, trans_st_idx_i }, /* ST[BHWD] */
{ 0x0c0001c0u, 0xfc0003c0, trans_ldcw },
{ 0x0c001300u, 0xfc0013c0, trans_stby },
+#ifndef CONFIG_USER_ONLY
+ { 0x0c001180u, 0xfc00d3c0, trans_ldwa_idx_i }, /* LDWA, im */
+ { 0x0c000180u, 0xfc00d3c0, trans_ldwa_idx_x }, /* LDWA, rx */
+#endif
};
static DisasJumpType trans_ldil(DisasContext *ctx, uint32_t insn)