Commit ab19b0ecfddf94ae2053b973cea5a58c8dac0363
1 parent
9277bc72
ARMv7-M interrupt stack alignment fix.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4823 c046a42c-6fe2-441c-8c8c-71466251a162
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target-arm/helper.c
| ... | ... | @@ -674,7 +674,7 @@ void do_interrupt_v7m(CPUARMState *env) |
| 674 | 674 | /* ??? Should only do this if Configuration Control Register |
| 675 | 675 | STACKALIGN bit is set. */ |
| 676 | 676 | if (env->regs[13] & 4) { |
| 677 | - env->regs[13] += 4; | |
| 677 | + env->regs[13] -= 4; | |
| 678 | 678 | xpsr |= 0x200; |
| 679 | 679 | } |
| 680 | 680 | /* Switch to the handler mode. */ | ... | ... |