FreeCalypso > hg > freecalypso-sw
comparison gsm-fw/bsp/irq_twiddle.S @ 597:8be182dd9218
gsm-fw: INT_{Dis,En}ableIRQ() functions implemented (needed by L1 code)
| author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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| date | Sun, 17 Aug 2014 07:15:12 +0000 |
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| 596:a8121805b6d0 | 597:8be182dd9218 |
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| 1 /* | |
| 2 * TI's L1 code (and possibly other parts of the software suite) calls | |
| 3 * functions named INT_DisableIRQ() and INT_EnableIRQ(); in the Leonardo | |
| 4 * fw they are implemented (in a very ugly manner, as usual) in the | |
| 5 * int.s entry point assembly module. Here we implement the same | |
| 6 * functions in a cleaner way. | |
| 7 */ | |
| 8 | |
| 9 #include "../nucleus/asm_defs.h" | |
| 10 | |
| 11 .code 32 | |
| 12 .text | |
| 13 | |
| 14 .globl INT_DisableIRQ | |
| 15 INT_DisableIRQ: | |
| 16 mrs r0, CPSR | |
| 17 orr r0, r0, #LOCKOUT | |
| 18 msr CPSR, r0 | |
| 19 bx lr | |
| 20 | |
| 21 .globl INT_EnableIRQ | |
| 22 INT_EnableIRQ: | |
| 23 mrs r0, CPSR | |
| 24 bic r0, r0, #LOCKOUT | |
| 25 msr CPSR, r0 | |
| 26 bx lr |