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Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Source/] [portable/] [GCC/] [OpenRISC/] [portasm.S] - Diff between revs 624 and 664

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Rev 624	Rev 664
Line 1...	Line 1...
`#include "port_spr_defs.h"`	`#include "port_spr_defs.h"`

`.file "portasm.S"`	`.file "portasm.S"`
`.section .text`	`.section .text`

`.text`
`.global vPortDisableInterrupts`
`.type vPortDisableInterrupts, %function`
`vPortDisableInterrupts:`
`l.mfspr r3, r0, SPR_SR # get current SR`
`l.addi r4, r0, SPR_SR_TEE`
`l.xori r4, r4, 0xffffffff`
`l.and r3, r3, r4 # disable Tick Timer Interrupt`
`l.addi r4, r0, SPR_SR_IEE`
`l.xori r4, r4, 0xffffffff`
`l.and r3, r3, r4 # disable External Interrupt`
`l.mtspr r0, r3, SPR_SR # update SR`
`l.jr r9`
`l.nop`
`.size vPortDisableInterrupts, .-vPortDisableInterrupts`


`.text`
`.global vPortEnableInterrupts`
`.type vPortEnableInterrupts, %function`
`vPortEnableInterrupts:`
`l.mfspr r3, r0, SPR_SR # get current SR`
`l.ori r3, r3, SPR_SR_TEE # enable Tick Timer Interrup`
`l.ori r3, r3, SPR_SR_IEE # enable External Interrupt`
`l.mtspr r0, r3, SPR_SR # update SR`
`l.jr r9`
`l.nop`
`.size vPortEnableInterrupts, .-vPortEnableInterrupts`


`.macro portSAVE_REGISTER`	`.macro portSAVE_REGISTER`
`l.addi r1, r1, -116`	`l.addi r1, r1, -116`
`l.sw 0x00(r1), r3`	`l.sw 0x00(r1), r3`
`l.sw 0x04(r1), r4`	`l.sw 0x04(r1), r4`
`l.sw 0x08(r1), r5`	`l.sw 0x08(r1), r5`
Line 230...	Line 200...

`.text`	`.text`
`.global vPortSystemCall`	`.global vPortSystemCall`
`.type vPortSystemCall, %function`	`.type vPortSystemCall, %function`
`vPortSystemCall:`	`vPortSystemCall:`
`l.sfeqi r11, 0xFCC`
`l.bf 1f`
`l.nop`

`l.sw -120(r1), r11`
`l.lwz r11, -4(r1)`
`portSAVE_REGISTER`

`l.jal syscall_except`
`l.lwz r3, -4(r1)`

`portRESTORE_REGISTER`
`l.rfe`
`l.nop`

`1:`
`l.sw -132(r1), r11`
`l.lwz r11, -4(r1)`
`portSAVE_CONTEXT`	`portSAVE_CONTEXT`

`l.jal syscall_except`	`l.jal vTaskSwitchContext`
`l.lwz r3, -4(r1)`	`l.nop`

`portRESTORE_CONTEXT`	`portRESTORE_CONTEXT`
`.size vPortSystemCall, .-vPortSystemCall`	`.size vPortSystemCall, .-vPortSystemCall`

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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Source/] [portable/] [GCC/] [OpenRISC/] [portasm.S] - Diff between revs 624 and 664