FreeCalypso > hg > freecalypso-sw
annotate gsm-fw/lldbg/entry.S @ 978:1ee80bcb0fd0
fc-tmsh: omr (old-style memory read) command implemented
author | Mychaela Falconia <falcon@ivan.Harhan.ORG> |
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date | Thu, 10 Dec 2015 04:05:55 +0000 |
parents | f5affe83ba2d |
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rev | line source |
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865
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lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
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1 .section "ext.ram","aw",%nobits |
f5affe83ba2d
lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
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2 .balign 4 |
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lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
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3 .globl lldbg_stack |
f5affe83ba2d
lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
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4 lldbg_stack: |
f5affe83ba2d
lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff
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5 .space 2048 |
f5affe83ba2d
lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
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changeset
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6 lldbg_init_sp: |
f5affe83ba2d
lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff
changeset
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7 |
f5affe83ba2d
lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff
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8 .text |
f5affe83ba2d
lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
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9 .code 32 |
f5affe83ba2d
lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
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changeset
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10 .globl lldbg_entry |
f5affe83ba2d
lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
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changeset
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11 lldbg_entry: |
f5affe83ba2d
lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
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changeset
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12 stmfd sp!, {r0-r12,lr} |
f5affe83ba2d
lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
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changeset
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13 mrs r0, CPSR |
f5affe83ba2d
lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
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14 mov r1, sp |
f5affe83ba2d
lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
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15 /* supervisor mode, disable all interrupts */ |
f5affe83ba2d
lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
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16 msr CPSR_c, #0xd3 |
f5affe83ba2d
lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
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17 ldr sp, =lldbg_init_sp |
f5affe83ba2d
lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff
changeset
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18 /* save entry SP and CPSR */ |
f5affe83ba2d
lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff
changeset
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19 ldr r2, =lldbg_entry_cpsr |
f5affe83ba2d
lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff
changeset
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20 str r0, [r2] |
f5affe83ba2d
lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff
changeset
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21 ldr r2, =lldbg_entry_sp |
f5affe83ba2d
lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff
changeset
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22 str r1, [r2] |
f5affe83ba2d
lldbg hack (poor girl's substitute for JTAG) implemented
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff
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23 b lldbg_main |