target/hppa: Implement LDWA

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
qemu · Jan 30, 2018 · d0a851c · d0a851c
1 parent 63300a0
commit d0a851c
Showing 1 changed file with 38 additions and 0 deletions.
diff --git 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)