FreeCalypso > hg > freecalypso-citrine
annotate bsp/irq_twiddle.S @ 30:7fcb2ecddd82
cdg/cdginc-hybrid: import from Magnetite
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 15 Oct 2016 00:51:04 +0000 |
parents | 75a11d740a02 |
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rev | line source |
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75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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1 /* |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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2 * TI's L1 code (and possibly other parts of the software suite) calls |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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3 * functions named INT_DisableIRQ() and INT_EnableIRQ(); in the Leonardo |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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4 * fw they are implemented (in a very ugly manner, as usual) in the |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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5 * int.s entry point assembly module. Here we implement the same |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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6 * functions in a cleaner way. |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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7 */ |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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8 |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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9 #include "../nucleus/asm_defs.h" |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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10 |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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11 .code 32 |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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12 .text |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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13 |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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14 .globl INT_DisableIRQ |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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15 INT_DisableIRQ: |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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16 mrs r0, CPSR |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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17 orr r0, r0, #LOCKOUT |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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18 msr CPSR, r0 |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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19 bx lr |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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20 |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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21 .globl INT_EnableIRQ |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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22 INT_EnableIRQ: |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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23 mrs r0, CPSR |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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24 bic r0, r0, #LOCKOUT |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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25 msr CPSR, r0 |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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26 bx lr |