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| author | Hesham ALMatary <heshamelmatary@gmail.com> | 2015-04-02 14:11:26 +0100 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@oarcorp.com> | 2015-04-02 10:01:50 -0500 |
| commit | 1c8466165c25970f8336ed3ef11b32009dc238ba (patch) | |
| tree | 7bcf7e23e7d463c47711a77653680b0e5ca06fac | |
| parent | bsp/altera-cyclone-v: Fix define usage (diff) | |
| download | rtems-1c8466165c25970f8336ed3ef11b32009dc238ba.tar.bz2 | |
or1k: Send halt signal to or1k simulators when rtems terminates
| -rw-r--r-- | cpukit/score/cpu/or1k/rtems/score/cpu.h | 1 | ||||
| -rw-r--r-- | cpukit/score/cpu/or1k/rtems/score/or1k-utility.h | 11 |
2 files changed, 11 insertions, 1 deletions
diff --git a/cpukit/score/cpu/or1k/rtems/score/cpu.h b/cpukit/score/cpu/or1k/rtems/score/cpu.h index 45aeb08a3c..21cbb6d5ce 100644 --- a/cpukit/score/cpu/or1k/rtems/score/cpu.h +++ b/cpukit/score/cpu/or1k/rtems/score/cpu.h @@ -702,6 +702,7 @@ void _CPU_Context_Initialize( #define _CPU_Fatal_halt(_source, _error ) \ printk("Fatal Error %d.%d Halted\n",_source, _error); \ + _OR1KSIM_CPU_Halt(); \ for(;;) /* end of Fatal Error manager macros */ diff --git a/cpukit/score/cpu/or1k/rtems/score/or1k-utility.h b/cpukit/score/cpu/or1k/rtems/score/or1k-utility.h index 6b238b1641..c2d1bcb667 100644 --- a/cpukit/score/cpu/or1k/rtems/score/or1k-utility.h +++ b/cpukit/score/cpu/or1k/rtems/score/or1k-utility.h @@ -362,7 +362,6 @@ static inline void _OR1K_mtspr(uint32_t reg, uint32_t value) #define _OR1K_CPU_Sleep() \ _OR1K_mtspr(CPU_OR1K_SPR_PMR, CPU_OR1K_SPR_PMR_SME) - #define _OR1K_CPU_Suspend() \ _OR1K_mtspr(CPU_OR1K_SPR_PMR, CPU_OR1K_SPR_PMR_SME) @@ -376,6 +375,16 @@ static inline void _OR1K_Sync_pipeline( void ) asm volatile("l.psync"); } +/** + * @brief or1ksim simulator can be sent a halt signal from RTEMS to tell + * the running or1ksim process on the host machine to exit. The following + * implementation has no effect on QEMU or hardware implementation and will + * be treated as normal l.nop. + * + */ +#define _OR1KSIM_CPU_Halt() \ + asm volatile ("l.nop 0xc") + #else /* ASM */ #endif /* ASM */ |