diff options
| author | dzzxzz <[email protected]> | 2011-09-01 08:25:54 +0000 |
|---|---|---|
| committer | dzzxzz <[email protected]> | 2011-09-01 08:25:54 +0000 |
| commit | e8a462b5c7d9027efb54937e6760b05edc91e6fe (patch) | |
| tree | 16610242ad1b58164f7e6f60959ddf0113b91a3c /bsp | |
| parent | 61d969f1b9762a9a81ad821edd375e1164f75787 (diff) | |
optimize porting for M16C
void rt_hw_context_switch(rt_uint32_t from, rt_uint32_t to);
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1688 bbd45198-f89e-11dd-88c7-29a3b14d5316
Diffstat (limited to 'bsp')
| -rw-r--r-- | bsp/m16c62p/interrupts.asm | 70 |
1 files changed, 35 insertions, 35 deletions
diff --git a/bsp/m16c62p/interrupts.asm b/bsp/m16c62p/interrupts.asm index 20340612e2..75e87ad874 100644 --- a/bsp/m16c62p/interrupts.asm +++ b/bsp/m16c62p/interrupts.asm @@ -15,55 +15,55 @@ * Toolchain : IAR's EW for M16C v3.401
*/
- PUBLIC rt_hw_timer_handler
- PUBLIC rt_hw_uart0_receive_handler
+ PUBLIC rt_hw_timer_handler
+ PUBLIC rt_hw_uart0_receive_handler
- EXTERN rt_thread_switch_interrput_flag
- EXTERN rt_interrupt_from_thread
- EXTERN rt_interrupt_to_thread
- EXTERN rt_interrupt_enter
- EXTERN rt_interrupt_leave
- EXTERN rt_tick_increase
- EXTERN u0rec_handler
+ EXTERN rt_thread_switch_interrput_flag
+ EXTERN rt_interrupt_from_thread
+ EXTERN rt_interrupt_to_thread
+ EXTERN rt_interrupt_enter
+ EXTERN rt_interrupt_leave
+ EXTERN rt_tick_increase
+ EXTERN u0rec_handler
- RSEG CSTACK
- RSEG ISTACK
- RSEG CODE:CODE:NOROOT(2)
+ RSEG CSTACK
+ RSEG ISTACK
+ RSEG CODE:CODE:NOROOT(2)
rt_hw_context_switch_interrupt_do
- MOV.W #0, rt_thread_switch_interrput_flag
- MOV.W rt_interrupt_from_thread, A0
- STC ISP, [A0]
+ MOV.W #0, rt_thread_switch_interrput_flag
+ MOV.W rt_interrupt_from_thread, A0
+ STC ISP, [A0]
- MOV.W rt_interrupt_to_thread, A0
- LDC [A0], ISP
- POPM R0,R1,R2,R3,A0,A1,SB,FB ; Restore all processor registers from the new task's stack
+ MOV.W rt_interrupt_to_thread, A0
+ LDC [A0], ISP
+ POPM R0,R1,R2,R3,A0,A1,SB,FB ; Restore all processor registers from the new task's stack
REIT
.EVEN
rt_hw_timer_handler:
- PUSHM R0,R1,R2,R3,A0,A1,SB,FB ; Save current task's registers
- JSR rt_interrupt_enter
- JSR rt_tick_increase
- JSR rt_interrupt_leave
+ PUSHM R0,R1,R2,R3,A0,A1,SB,FB ; Save current task's registers
+ JSR rt_interrupt_enter
+ JSR rt_tick_increase
+ JSR rt_interrupt_leave
- CMP.W #1,rt_thread_switch_interrput_flag
- JEQ rt_hw_context_switch_interrupt_do
+ CMP.W #1, rt_thread_switch_interrput_flag
+ JEQ rt_hw_context_switch_interrupt_do
- POPM R0,R1,R2,R3,A0,A1,SB,FB ; Restore current task's registers
- REIT ; Return from interrup
+ POPM R0,R1,R2,R3,A0,A1,SB,FB ; Restore current task's registers
+ REIT ; Return from interrup
.EVEN
rt_hw_uart0_receive_handler:
- PUSHM R0,R1,R2,R3,A0,A1,SB,FB ; Save current task's registers
- JSR rt_interrupt_enter
- JSR u0rec_handler
- JSR rt_interrupt_leave
+ PUSHM R0,R1,R2,R3,A0,A1,SB,FB ; Save current task's registers
+ JSR rt_interrupt_enter
+ JSR u0rec_handler
+ JSR rt_interrupt_leave
- CMP.W #1, rt_thread_switch_interrput_flag
- JEQ rt_hw_context_switch_interrupt_do
+ CMP.W #1, rt_thread_switch_interrput_flag
+ JEQ rt_hw_context_switch_interrupt_do
- POPM R0,R1,R2,R3,A0,A1,SB,FB ; Restore current task's registers
- REIT ; Return from interrup
+ POPM R0,R1,R2,R3,A0,A1,SB,FB ; Restore current task's registers
+ REIT ; Return from interrup
- END
+ END
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