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| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2022-01-14 13:25:30 +0100 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2022-01-15 19:49:41 +0100 |
| commit | 2d1ea1abaeab28d0d81ff9158f97204433d3b370 (patch) | |
| tree | 1503e57ec9b7c8fbc237fdc00a5ebbc74a305b30 /cpukit/score/cpu/arm/arm_exc_interrupt.S | |
| parent | bsps: Default to CPU counter benchmark timer (diff) | |
| download | rtems-2d1ea1abaeab28d0d81ff9158f97204433d3b370.tar.bz2 | |
arm: Use push/pop instructions for readability
Update #4579.
Diffstat (limited to '')
| -rw-r--r-- | cpukit/score/cpu/arm/arm_exc_interrupt.S | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/cpukit/score/cpu/arm/arm_exc_interrupt.S b/cpukit/score/cpu/arm/arm_exc_interrupt.S index ddcaf945b5..2775558bd9 100644 --- a/cpukit/score/cpu/arm/arm_exc_interrupt.S +++ b/cpukit/score/cpu/arm/arm_exc_interrupt.S @@ -72,17 +72,17 @@ _ARMV4_Exception_interrupt: * necessary for the stack alignment for the stack pointer of the * interrupted context. */ - stmdb sp!, CONTEXT_LIST - stmdb sp!, {NON_VOLATILE_SCRATCH, lr} + push CONTEXT_LIST + push {NON_VOLATILE_SCRATCH, lr} #ifdef ARM_MULTILIB_VFP /* Save VFP context */ vmrs r0, FPSCR - vstmdb sp!, {d0-d7} + vpush {d0-d7} #ifdef ARM_MULTILIB_VFP_D32 - vstmdb sp!, {d16-d31} + vpush {d16-d31} #endif - stmdb sp!, {r0, r1} + push {r0, r1} #endif /* ARM_MULTILIB_VFP */ /* Get per-CPU control of current processor */ @@ -200,16 +200,16 @@ _ARMV4_Exception_interrupt: #ifdef ARM_MULTILIB_VFP /* Restore VFP context */ - ldmia sp!, {r0, r1} + pop {r0, r1} #ifdef ARM_MULTILIB_VFP_D32 - vldmia sp!, {d16-d31} + vpop {d16-d31} #endif - vldmia sp!, {d0-d7} + vpop {d0-d7} vmsr FPSCR, r0 #endif /* ARM_MULTILIB_VFP */ /* Restore NON_VOLATILE_SCRATCH register and link register */ - ldmia sp!, {NON_VOLATILE_SCRATCH, lr} + pop {NON_VOLATILE_SCRATCH, lr} /* * XXX: Remember and restore stack pointer. The data on the stack is @@ -227,7 +227,7 @@ _ARMV4_Exception_interrupt: msr CPSR_c, r1 /* Save EXCHANGE_LR and EXCHANGE_SPSR registers to exchange area */ - stmdb sp!, {EXCHANGE_LR, EXCHANGE_SPSR} + push {EXCHANGE_LR, EXCHANGE_SPSR} /* Restore context */ ldmia r0, CONTEXT_LIST @@ -237,7 +237,7 @@ _ARMV4_Exception_interrupt: msr SPSR_fsxc, EXCHANGE_SPSR /* Restore EXCHANGE_LR and EXCHANGE_SPSR registers from exchange area */ - ldmia sp!, {EXCHANGE_LR, EXCHANGE_SPSR} + pop {EXCHANGE_LR, EXCHANGE_SPSR} #ifdef ARM_MULTILIB_HAS_LOAD_STORE_EXCLUSIVE /* |