URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Source/] [portable/] [GCC/] [OpenRISC/] [portasm.S] - Diff between revs 664 and 665

Rev 664	Rev 665
Line 72...	Line 72...


`.macro portSAVE_CONTEXT`	`.macro portSAVE_CONTEXT`
`.global pxCurrentTCB`	`.global pxCurrentTCB`
`# make rooms in stack`	`# make rooms in stack`
`l.addi r1, r1, -128`	`l.addi r1, r1, -132`
`# early save r3-r5, these are clobber register`	`# early save r3-r5, these are clobber register`
`l.sw 0x08(r1), r3`	`l.sw 0x08(r1), r3`
`l.sw 0x0C(r1), r4`	`l.sw 0x0C(r1), r4`
`l.sw 0x10(r1), r5`	`l.sw 0x10(r1), r5`
`# save SPR_ESR_BASE(0), SPR_EPCR_BASE(0)`	`# save SPR_ESR_BASE(0), SPR_EPCR_BASE(0)`
Line 164...	Line 164...
`l.mtspr r0, r4, SPR_EPCR_BASE`	`l.mtspr r0, r4, SPR_EPCR_BASE`
`# restore clobber register`	`# restore clobber register`
`l.lwz r3, 0x08(r1)`	`l.lwz r3, 0x08(r1)`
`l.lwz r4, 0x0C(r1)`	`l.lwz r4, 0x0C(r1)`
`l.lwz r5, 0x10(r1)`	`l.lwz r5, 0x10(r1)`
`l.addi r1, r1, 128`	`l.addi r1, r1, 132`
`l.rfe`	`l.rfe`
`l.nop`	`l.nop`
`.endm`	`.endm`