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| author | Giuseppe Musacchio <thatlemon@gmail.com> | 2020-06-25 11:12:04 +0200 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2020-06-29 13:00:23 +0200 |
| commit | d43624c400597aec18dff917c1424b807bbb473d (patch) | |
| tree | 29cc1a586b7d21ebc561a53201764eb56f40cf97 /linux-user/sparc/cpu_loop.c | |
| parent | aa04c9d9ef962d516af5ca89667de4282d1c22ef (diff) | |
| download | focaccia-qemu-d43624c400597aec18dff917c1424b807bbb473d.tar.gz focaccia-qemu-d43624c400597aec18dff917c1424b807bbb473d.zip | |
linux-user/sparc64: Fix the handling of window spill trap
Fix the handling of window spill traps by keeping cansave into account when calculating the new CWP. Signed-off-by: Giuseppe Musacchio <thatlemon@gmail.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20200625091204.3186186-3-laurent@vivier.eu>
Diffstat (limited to 'linux-user/sparc/cpu_loop.c')
| -rw-r--r-- | linux-user/sparc/cpu_loop.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c index 7645cc04ca..02532f198d 100644 --- a/linux-user/sparc/cpu_loop.c +++ b/linux-user/sparc/cpu_loop.c @@ -69,7 +69,11 @@ static void save_window(CPUSPARCState *env) save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2)); env->wim = new_wim; #else - save_window_offset(env, cpu_cwp_dec(env, env->cwp - 2)); + /* + * cansave is zero if the spill trap handler is triggered by `save` and + * nonzero if triggered by a `flushw` + */ + save_window_offset(env, cpu_cwp_dec(env, env->cwp - env->cansave - 2)); env->cansave++; env->canrestore--; #endif |