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fix(m68k): correct SR register read (#2161)

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The SR register in the `CPUM68KState` struct does not contain the value
of the lower 5 flags. To compute them, we must OR the CCR values with
the SR register to get the true SR value.
This commit is contained in:
Amaan Qureshi
2025-04-12 23:03:08 -04:00
committed by GitHub
parent f0bdeb5a74
commit aa86641e16
7 changed files with 54 additions and 2 deletions
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qemu/target/m68k/cpu.h
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@@ -183,6 +183,7 @@ int cpu_m68k_signal_handler(int host_signum, void *pinfo,
void *puc);
uint32_t cpu_m68k_get_ccr(CPUM68KState *env);
void cpu_m68k_set_ccr(CPUM68KState *env, uint32_t);
uint32_t cpu_m68k_get_sr(CPUM68KState *env);
void cpu_m68k_set_sr(CPUM68KState *env, uint32_t);
void cpu_m68k_set_fpcr(CPUM68KState *env, uint32_t val);