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| author | balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-05-01 01:28:01 +0000 |
|---|---|---|
| committer | balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-05-01 01:28:01 +0000 |
| commit | a90b7318ba55b1aed71e299ec965bbd8f393b9b3 (patch) | |
| tree | 46ff4f1b6f0d90bda5ed61ba5c3702c419342b2d /cpu-exec.c | |
| parent | 4207117c93357347500235952ce7891688089cb1 (diff) | |
| download | qemu-a90b7318ba55b1aed71e299ec965bbd8f393b9b3.tar.gz | |
Implement power state changes (IDLE and SLEEP) for PXA.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2762 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'cpu-exec.c')
| -rw-r--r-- | cpu-exec.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/cpu-exec.c b/cpu-exec.c index 284cb92ae8..4777babd2a 100644 --- a/cpu-exec.c +++ b/cpu-exec.c @@ -279,9 +279,10 @@ int cpu_exec(CPUState *env1) #elif defined(TARGET_ARM) if (env1->halted) { /* An interrupt wakes the CPU even if the I and F CPSR bits are - set. */ - if (env1->interrupt_request - & (CPU_INTERRUPT_FIQ | CPU_INTERRUPT_HARD)) { + set. We use EXITTB to silently wake CPU without causing an + actual interrupt. */ + if (env1->interrupt_request & + (CPU_INTERRUPT_FIQ | CPU_INTERRUPT_HARD | CPU_INTERRUPT_EXITTB)) { env1->halted = 0; } else { return EXCP_HALTED; @@ -432,6 +433,15 @@ int cpu_exec(CPUState *env1) env->exception_index = EXCP_DEBUG; cpu_loop_exit(); } +#if defined(TARGET_ARM) || defined(TARGET_SPARC) || defined(TARGET_MIPS) || \ + defined(TARGET_PPC) || defined(TARGET_ALPHA) + if (interrupt_request & CPU_INTERRUPT_HALT) { + env->interrupt_request &= ~CPU_INTERRUPT_HALT; + env->halted = 1; + env->exception_index = EXCP_HLT; + cpu_loop_exit(); + } +#endif #if defined(TARGET_I386) if ((interrupt_request & CPU_INTERRUPT_SMI) && !(env->hflags & HF_SMM_MASK)) { @@ -514,12 +524,7 @@ int cpu_exec(CPUState *env1) } else if (interrupt_request & CPU_INTERRUPT_TIMER) { //do_interrupt(0, 0, 0, 0, 0); env->interrupt_request &= ~CPU_INTERRUPT_TIMER; - } else if (interrupt_request & CPU_INTERRUPT_HALT) { - env->interrupt_request &= ~CPU_INTERRUPT_HALT; - env->halted = 1; - env->exception_index = EXCP_HLT; - cpu_loop_exit(); - } + } #elif defined(TARGET_ARM) if (interrupt_request & CPU_INTERRUPT_FIQ && !(env->uncached_cpsr & CPSR_F)) { |