From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: laurent@vivier.eu
Subject: [PATCH v2 11/15] target/m68k: Implement FTRAPcc
Date: Thu, 2 Dec 2021 12:48:56 -0800 [thread overview]
Message-ID: <20211202204900.50973-12-richard.henderson@linaro.org> (raw)
In-Reply-To: <20211202204900.50973-1-richard.henderson@linaro.org>
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 cfe292c929..641f95ff8a 100644
--- a/target/m68k/translate.c
+++ b/target/m68k/translate.c
@@ -5572,6 +5572,35 @@ 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:
+ /* Illegal insn */
+ disas_undef(env, s, insn);
+ return;
+ }
+
+ gen_fcc_cond(&c, s, cond);
+ do_trapcc(s, &c);
+}
+
#if defined(CONFIG_SOFTMMU)
DISAS_INSN(frestore)
{
@@ -6195,6 +6224,7 @@ void register_m68k_insns (CPUM68KState *env)
INSN(fbcc, f280, ffc0, CF_FPU);
INSN(fpu, f200, ffc0, FPU);
INSN(fscc, f240, ffc0, FPU);
+ INSN(ftrapcc, f278, fff8, FPU);
INSN(fbcc, f280, ff80, FPU);
#if defined(CONFIG_SOFTMMU)
INSN(frestore, f340, ffc0, CF_FPU);
--
2.25.1
next prev parent reply other threads:[~2021-12-02 20:58 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-02 20:48 [PATCH v2 00/15] target/m68k: Conditional traps + trap cleanup Richard Henderson
2021-12-02 20:48 ` [PATCH v2 01/15] target/m68k: Raise the TRAPn exception with the correct pc Richard Henderson
2021-12-03 9:04 ` Laurent Vivier
2021-12-02 20:48 ` [PATCH v2 02/15] target/m68k: Switch over exception type in m68k_interrupt_all Richard Henderson
2021-12-03 9:02 ` Philippe Mathieu-Daudé
2021-12-03 9:06 ` Laurent Vivier
2021-12-02 20:48 ` [PATCH v2 03/15] linux-user/m68k: Use force_sig_fault Richard Henderson
2021-12-02 20:48 ` [PATCH v2 04/15] linux-user/m68k: Handle EXCP_TRAP1 through EXCP_TRAP15 Richard Henderson
2021-12-02 20:48 ` [PATCH v2 05/15] target/m68k: Remove retaddr in m68k_interrupt_all Richard Henderson
2021-12-03 9:03 ` Philippe Mathieu-Daudé
2021-12-03 9:08 ` Laurent Vivier
2021-12-02 20:48 ` [PATCH v2 06/15] target/m68k: Fix address argument for EXCP_CHK Richard Henderson
2021-12-03 14:27 ` Laurent Vivier
2021-12-03 14:29 ` Richard Henderson
2021-12-03 14:58 ` Laurent Vivier
2021-12-02 20:48 ` [PATCH v2 07/15] target/m68k: Fix pc, c flag, and address argument for EXCP_DIV0 Richard Henderson
2021-12-04 16:50 ` Laurent Vivier
2021-12-02 20:48 ` [PATCH v2 08/15] target/m68k: Fix address argument for EXCP_TRACE Richard Henderson
2021-12-03 14:21 ` Richard Henderson
2021-12-02 20:48 ` [PATCH v2 09/15] target/m68k: Implement TRAPcc Richard Henderson
2021-12-02 20:48 ` [PATCH v2 10/15] target/m68k: Implement TRAPV Richard Henderson
2021-12-02 20:48 ` Richard Henderson [this message]
2021-12-02 20:48 ` [PATCH v2 12/15] target/m68k: Fix stack frame for EXCP_ILLEGAL Richard Henderson
2021-12-02 20:48 ` [PATCH v2 13/15] tests/tcg/m68k: Add trap.c Richard Henderson
2021-12-02 20:48 ` [PATCH v2 14/15] linux-user/strace: Fix print_syscall_err Richard Henderson
2021-12-03 8:57 ` Philippe Mathieu-Daudé
2021-12-02 20:49 ` [PATCH v2 15/15] linux-user/strace: Adjust get_thread_area for m68k Richard Henderson
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