| /* |
| * =========================================================================== |
| * CPU-version-specific defines |
| * =========================================================================== |
| */ |
| |
| /* |
| * Macro for "LDR PC,xxx", which is not allowed pre-ARMv5. Essentially a |
| * one-way branch. |
| * |
| * May modify IP. Does not modify LR. |
| */ |
| .macro LDR_PC source |
| ldr pc, \source |
| .endm |
| |
| /* |
| * Macro for "MOV LR,PC / LDR PC,xxx", which is not allowed pre-ARMv5. |
| * Jump to subroutine. |
| * |
| * May modify IP and LR. |
| */ |
| .macro LDR_PC_LR source |
| mov lr, pc |
| ldr pc, \source |
| .endm |
| |
| /* |
| * Macro for "LDMFD SP!, {...regs...,PC}". |
| * |
| * May modify IP and LR. |
| */ |
| .macro LDMFD_PC regs |
| ldmfd sp!, {\regs,pc} |
| .endm |
| |
| /* |
| * Macro for data memory barrier; not meaningful pre-ARMv6K. |
| */ |
| .macro SMP_DMB |
| .endm |
| |
| /* |
| * Macro for data memory barrier; not meaningful pre-ARMv6K. |
| */ |
| .macro SMP_DMB_ST |
| .endm |
