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svp compiler: wip EXT reg stuff

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@379 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2008-03-11 21:15:13 +00:00
parent 0336d6438a
commit d527628282
5 changed files with 453 additions and 98 deletions
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31
Pico/carthw/svp/stub_arm.S
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@ -9,6 +9,7 @@
.global flush_inval_caches
.global regfile_load
.global regfile_store
.global ssp_hle_800
@ translation cache buffer
.text
@ -93,4 +94,34 @@ regfile_store:
bx lr
#define SSP_OFFS_GR 0x400
#define SSP_OFFS_EMUST 0x484
#define SSP_PM0 8
#define SSP_PC 6
#define SSP_WAIT_PM0 0x2000
@ ld A, PM0
@ andi 2
@ bra z=1, gloc_0800
ssp_hle_800:
@ block prologue
stmfd sp!, {r4-r11, lr}
bl regfile_load
mov r11, #0
ldr r0, [r7, #(SSP_OFFS_GR+SSP_PM0*4)]
ldr r1, [r7, #SSP_OFFS_EMUST]
tst r0, #0x20000
orreq r1, r1, #SSP_WAIT_PM0
addeq r11,r11, #1024
streq r1, [r7, #SSP_OFFS_EMUST]
movne r0, #0x04000000
orrne r0, r0, #0x00040000
strne r0, [r7, #(SSP_OFFS_GR+SSP_PC*4)]
bl regfile_store
add r0, r11, #3
ldmfd sp!, {r4-r11, lr}
bx lr