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authorRichard Henderson <richard.henderson@linaro.org>2022-06-01 18:33:57 -0700
committerLaurent Vivier <laurent@vivier.eu>2022-06-02 09:35:03 +0200
commitcc1cc264b14c75c4f3ddd8e33c9dd6f1e497bfdf (patch)
tree83fd33932cdbf0910764c2118740535e8251413e /target
parent43accc4862e0a88710411b205fdaf833dadf9951 (diff)
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target/m68k: Implement FTRAPcc
Reviewed-by: Laurent Vivier <laurent@vivier.eu> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220602013401.303699-14-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'target')
-rw-r--r--target/m68k/translate.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/target/m68k/translate.c b/target/m68k/translate.c
index 0dfddaa..8f3c298 100644
--- a/target/m68k/translate.c
+++ b/target/m68k/translate.c
@@ -5566,6 +5566,34 @@ DISAS_INSN(fscc)
tcg_temp_free(tmp);
}
+DISAS_INSN(ftrapcc)
+{
+ DisasCompare c;
+ uint16_t ext;
+ int cond;
+
+ ext = read_im16(env, s);
+ cond = ext & 0x3f;
+
+ /* Consume and discard the immediate operand. */
+ switch (extract32(insn, 0, 3)) {
+ case 2: /* ftrapcc.w */
+ (void)read_im16(env, s);
+ break;
+ case 3: /* ftrapcc.l */
+ (void)read_im32(env, s);
+ break;
+ case 4: /* ftrapcc (no operand) */
+ break;
+ default:
+ /* ftrapcc registered with only valid opmodes */
+ g_assert_not_reached();
+ }
+
+ gen_fcc_cond(&c, s, cond);
+ do_trapcc(s, &c);
+}
+
#if defined(CONFIG_SOFTMMU)
DISAS_INSN(frestore)
{
@@ -6192,6 +6220,8 @@ void register_m68k_insns (CPUM68KState *env)
INSN(fbcc, f280, ffc0, CF_FPU);
INSN(fpu, f200, ffc0, FPU);
INSN(fscc, f240, ffc0, FPU);
+ INSN(ftrapcc, f27a, fffe, FPU); /* opmode 010, 011 */
+ INSN(ftrapcc, f27c, ffff, FPU); /* opmode 100 */
INSN(fbcc, f280, ff80, FPU);
#if defined(CONFIG_SOFTMMU)
INSN(frestore, f340, ffc0, CF_FPU);