FreeCalypso > hg > freecalypso-sw
view gsm-fw/bsp/irq_twiddle.S @ 970:f46a914c455e
loadtools/CHANGES: changes since loadtools-r2 listed
author | Mychaela Falconia <falcon@ivan.Harhan.ORG> |
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date | Sat, 07 Nov 2015 06:50:06 +0000 |
parents | 8be182dd9218 |
children |
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/* * TI's L1 code (and possibly other parts of the software suite) calls * functions named INT_DisableIRQ() and INT_EnableIRQ(); in the Leonardo * fw they are implemented (in a very ugly manner, as usual) in the * int.s entry point assembly module. Here we implement the same * functions in a cleaner way. */ #include "../nucleus/asm_defs.h" .code 32 .text .globl INT_DisableIRQ INT_DisableIRQ: mrs r0, CPSR orr r0, r0, #LOCKOUT msr CPSR, r0 bx lr .globl INT_EnableIRQ INT_EnableIRQ: mrs r0, CPSR bic r0, r0, #LOCKOUT msr CPSR, r0 bx lr