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svp compiler: working asm dispatcher

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@383 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2008-03-12 21:45:20 +00:00
parent 13aba3fe28
commit 71bb1b7bd0
6 changed files with 155 additions and 604 deletions
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104
Pico/carthw/svp/stub_arm.S
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@ -7,8 +7,10 @@
.global tcache
.global flush_inval_caches
.global regfile_load
.global regfile_store
.global ssp_regfile_load
.global ssp_regfile_store
.global ssp_drc_entry
.global ssp_drc_next
.global ssp_hle_800
@ translation cache buffer
@ -46,7 +48,7 @@ flush_inval_caches:
@ trashes r2,r3
regfile_load:
ssp_regfile_load:
ldr r7, =ssp
ldr r7, [r7]
add r2, r7, #0x400
@ -71,7 +73,7 @@ regfile_load:
bx lr
regfile_store:
ssp_regfile_store:
str r10,[r7, #(0x400+7*4)] @ P
str r8, [r7, #0x440] @ r0-r2
str r9, [r7, #0x444] @ r4-r6
@ -94,34 +96,100 @@ 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
#define SSP_OFFS_GR 0x400
#define SSP_PM0 8
#define SSP_PC 6
#define SSP_OFFS_EMUSTAT 0x484 // emu_status
#define SSP_OFFS_IRAM_DIRTY 0x494
#define SSP_OFFS_IRAM_CTX 0x498 // iram_context
#define SSP_OFFS_BLTAB 0x49c // block_table
#define SSP_OFFS_BLTAB_IRAM 0x4a0
#define SSP_OFFS_TMP0 0x4a4
#define SSP_WAIT_PM0 0x2000
ssp_drc_entry:
stmfd sp!, {r4-r11, lr}
mov r11, r0
bl ssp_regfile_load
ssp_drc_next:
cmp r11, #0
bmi ssp_drc_end
ldr r0, [r7, #(SSP_OFFS_GR+SSP_PC*4)]
mov r0, r0, lsr #16
str r0, [r7, #SSP_OFFS_TMP0]
cmp r0, #0x400
blt ssp_de_iram
ldr r1, [r7, #SSP_OFFS_BLTAB]
ldr r1, [r1, r0, lsl #2]
tst r1, r1
bxne r1
bl ssp_translate_block
ldr r2, [r7, #SSP_OFFS_TMP0] @ entry PC
ldr r1, [r7, #SSP_OFFS_BLTAB]
str r0, [r1, r2, lsl #2]
bx r0
ssp_de_iram:
ldr r1, [r7, #SSP_OFFS_IRAM_DIRTY]
tst r1, r1
ldreq r1, [r7, #SSP_OFFS_IRAM_CTX]
beq ssp_de_iram_ctx
bl ssp_get_iram_context
mov r1, #0
str r1, [r7, #SSP_OFFS_IRAM_DIRTY]
mov r1, r0
str r1, [r7, #SSP_OFFS_IRAM_CTX]
ldr r0, [r7, #SSP_OFFS_TMP0] @ entry PC
ssp_de_iram_ctx:
ldr r2, [r7, #SSP_OFFS_BLTAB_IRAM]
add r2, r2, r1, lsl #12 @ block_tab_iram + iram_context * 0x800/2*4
add r2, r2, r0, lsl #2
ldr r1, [r2]
tst r1, r1
bxne r1
str r2, [r7, #SSP_OFFS_TMP0]
bl ssp_translate_block
ldr r2, [r7, #SSP_OFFS_TMP0] @ &block_table_iram[iram_context][rPC]
str r0, [r2]
bx r0
ssp_drc_end:
bl ssp_regfile_store
mov r0, r11
ldmfd sp!, {r4-r11, lr}
bx lr
@ 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
@ 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]
ldr r1, [r7, #SSP_OFFS_EMUSTAT]
tst r0, #0x20000
orreq r1, r1, #SSP_WAIT_PM0
addeq r11,r11, #1024
streq r1, [r7, #SSP_OFFS_EMUST]
streq r1, [r7, #SSP_OFFS_EMUSTAT]
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
bl ssp_drc_next
@ bl regfile_store
@ add r0, r11, #3
@ ldmfd sp!, {r4-r11, lr}
@ bx lr