When handling an exception, switch to the correct mode based on the
Thumb Exception (TE) bit in the SCTLR.
Signed-off-by: Rabin Vincent <rabin@rab.in>
env->spsr = cpsr_read(env);
/* Clear IT bits. */
env->condexec_bits = 0;
- /* Switch to the new mode, and switch to Arm mode. */
- /* ??? Thumb interrupt handlers not implemented. */
+ /* Switch to the new mode, and to the correct instruction set. */
env->uncached_cpsr = (env->uncached_cpsr & ~CPSR_M) | new_mode;
env->uncached_cpsr |= mask;
- env->thumb = 0;
+ env->thumb = (env->cp15.c1_sys & (1 << 30)) != 0;
env->regs[14] = env->regs[15] + offset;
env->regs[15] = addr;
env->interrupt_request |= CPU_INTERRUPT_EXITTB;