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[PATCH v6 13/17] target/m68k: Implement FTRAPcc
From: |
Richard Henderson |
Subject: |
[PATCH v6 13/17] target/m68k: Implement FTRAPcc |
Date: |
Wed, 1 Jun 2022 18:33:57 -0700 |
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/m68k/translate.c | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/target/m68k/translate.c b/target/m68k/translate.c
index fa704e0c25..cc3bd4dd2b 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)
{
@@ -6191,6 +6219,8 @@ 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);
--
2.34.1
- [PATCH v6 04/17] linux-user/m68k: Handle EXCP_TRAP1 through EXCP_TRAP15, (continued)
- [PATCH v6 04/17] linux-user/m68k: Handle EXCP_TRAP1 through EXCP_TRAP15, Richard Henderson, 2022/06/01
- [PATCH v6 03/17] target/m68k: Fix coding style in m68k_interrupt_all, Richard Henderson, 2022/06/01
- [PATCH v6 05/17] target/m68k: Remove retaddr in m68k_interrupt_all, Richard Henderson, 2022/06/01
- [PATCH v6 02/17] target/m68k: Switch over exception type in m68k_interrupt_all, Richard Henderson, 2022/06/01
- [PATCH v6 07/17] target/m68k: Fix pc, c flag, and address argument for EXCP_DIV0, Richard Henderson, 2022/06/01
- [PATCH v6 08/17] target/m68k: Fix address argument for EXCP_TRACE, Richard Henderson, 2022/06/01
- [PATCH v6 06/17] target/m68k: Fix address argument for EXCP_CHK, Richard Henderson, 2022/06/01
- [PATCH v6 09/17] target/m68k: Fix stack frame for EXCP_ILLEGAL, Richard Henderson, 2022/06/01
- [PATCH v6 10/17] target/m68k: Implement TRAPcc, Richard Henderson, 2022/06/01
- [PATCH v6 12/17] target/m68k: Implement TRAPV, Richard Henderson, 2022/06/01
- [PATCH v6 13/17] target/m68k: Implement FTRAPcc,
Richard Henderson <=
- [PATCH v6 15/17] linux-user/strace: Use is_error in print_syscall_err, Richard Henderson, 2022/06/01
- [PATCH v6 17/17] target/m68k: Mark helper_raise_exception as noreturn, Richard Henderson, 2022/06/01
- [PATCH v6 16/17] linux-user/strace: Adjust get_thread_area for m68k, Richard Henderson, 2022/06/01
- [PATCH v6 11/17] target/m68k: Implement TPF in terms of TRAPcc, Richard Henderson, 2022/06/01
- [PATCH v6 14/17] tests/tcg/m68k: Add trap.c, Richard Henderson, 2022/06/01
- Re: [PATCH v6 00/17] target/m68k: Conditional traps + trap cleanup, Laurent Vivier, 2022/06/02