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Fix #1500

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lazymio
2021-12-23 21:46:27 +01:00
parent ef6f8a2427
commit 4f73d75ea8
2 changed files with 41 additions and 1 deletions
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4
qemu/target/arm/helper.c
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@@ -7983,7 +7983,9 @@ void cpsr_write(CPUARMState *env, uint32_t val, uint32_t mask,
* to switch mode. (Those are caught by translate.c for writes
* triggered by guest instructions.)
*/
mask &= ~CPSR_M;
// mask &= ~CPSR_M;
// Unicorn: No, it can also be uc_reg_write
switch_mode(env, val & CPSR_M);
} else if (bad_mode_switch(env, val & CPSR_M, write_type)) {
/* Attempt to switch to an invalid mode: this is UNPREDICTABLE in
* v7, and has defined behaviour in v8: