.global stop
.global invc_ptr
.global address
- .global readmem_dword
- .global readmem_word
- .global dword
- .global word
- .global hword
- .global byte
.global branch_target
.global PC
.global mini_ht
.global restore_candidate
- .global memory_map
/* psx */
.global psxRegs
.global mem_rtab
.global mem_wtab
- .global nd_pcsx_io
.global psxH_ptr
.global inv_code_start
.global inv_code_end
+ .global rcnts
.bss
.align 4
.type dynarec_local, %object
.size dynarec_local, dynarec_local_end-dynarec_local
dynarec_local:
- .space dynarec_local_end-dynarec_local /*0x400630*/
+ .space dynarec_local_end-dynarec_local
next_interupt = dynarec_local + 64
.type next_interupt, %object
.size next_interupt, 4
address = invc_ptr + 4
.type address, %object
.size address, 4
-readmem_dword = address + 4
-readmem_word = readmem_dword
- .type readmem_dword, %object
- .size readmem_dword, 8
-dword = readmem_dword + 8
- .type dword, %object
- .size dword, 8
-word = dword + 8
- .type word, %object
- .size word, 4
-hword = word + 4
- .type hword, %object
- .size hword, 2
-byte = hword + 2
- .type byte, %object
- .size byte, 1 /* 1 byte free */
-FCR0 = hword + 4
- .type FCR0, %object
- .size FCR0, 4
-FCR31 = FCR0 + 4
- .type FCR31, %object
- .size FCR31, 4
-psxRegs = FCR31 + 4
+psxRegs = address + 4
/* psxRegs */
.type psxRegs, %object
.size intCycle, 256
psxRegs_end = intCycle + 256
-mem_rtab = psxRegs_end
+rcnts = psxRegs_end
+ .type rcnts, %object
+ .size rcnts, 7*4*4
+rcnts_end = rcnts + 7*4*4
+
+mem_rtab = rcnts_end
.type mem_rtab, %object
.size mem_rtab, 4
mem_wtab = mem_rtab + 4
.type mem_wtab, %object
.size mem_wtab, 4
-
-/* nd_pcsx_io */
-nd_pcsx_io = mem_wtab + 4
- .type nd_pcsx_io, %object
- .size nd_pcsx_io, nd_pcsx_io_end-nd_pcsx_io
-tab_read8 = nd_pcsx_io
- .type tab_read8, %object
- .size tab_read8, 4
-tab_read16 = tab_read8 + 4
- .type tab_read16, %object
- .size tab_read16, 4
-tab_read32 = tab_read16 + 4
- .type tab_read32, %object
- .size tab_read32, 4
-tab_write8 = tab_read32 + 4
- .type tab_write8, %object
- .size tab_write8, 4
-tab_write16 = tab_write8 + 4
- .type tab_write16, %object
- .size tab_write16, 4
-tab_write32 = tab_write16 + 4
- .type tab_write32, %object
- .size tab_write32, 4
-spu_readf = tab_write32 + 4
- .type spu_readf, %object
- .size spu_readf, 4
-spu_writef = spu_readf + 4
- .type spu_writef, %object
- .size spu_writef, 4
-nd_pcsx_io_end = spu_writef + 4
-
-psxH_ptr = nd_pcsx_io_end
+psxH_ptr = mem_wtab + 4
.type psxH_ptr, %object
.size psxH_ptr, 4
inv_code_start = psxH_ptr + 4
inv_code_end = inv_code_start + 4
.type inv_code_end, %object
.size inv_code_end, 4
-align0 = inv_code_end + 4 /* just for alignment */
- .type align0, %object
- .size align0, 4
-branch_target = align0 + 4
+branch_target = inv_code_end + 4
.type branch_target, %object
.size branch_target, 4
-mini_ht = branch_target + 4
+align0 = branch_target + 4 /* unused/alignment */
+ .type align0, %object
+ .size align0, 4
+mini_ht = align0 + 4
.type mini_ht, %object
.size mini_ht, 256
restore_candidate = mini_ht + 256
.type restore_candidate, %object
.size restore_candidate, 512
-memory_map = restore_candidate + 512
- .type memory_map, %object
- .size memory_map, 4194304
-dynarec_local_end = memory_map + 4194304
+dynarec_local_end = restore_candidate + 512
+
+/* unused */
+FCR0 = align0
+ .type FCR0, %object
+ .size FCR0, 4
+FCR31 = align0
+ .type FCR31, %object
+ .size FCR31, 4
.macro load_var_adr reg var
.if HAVE_ARMV7
.endif
.endm
+.macro mov_16 reg imm
+.if HAVE_ARMV7
+ movw \reg, #\imm
+.else
+ mov \reg, #(\imm & 0x00ff)
+ orr \reg, #(\imm & 0xff00)
+.endif
+.endm
+
+.macro mov_24 reg imm
+.if HAVE_ARMV7
+ movw \reg, #(\imm & 0xffff)
+ movt \reg, #(\imm >> 16)
+.else
+ mov \reg, #(\imm & 0x0000ff)
+ orr \reg, #(\imm & 0x00ff00)
+ orr \reg, #(\imm & 0xff0000)
+.endif
+.endm
+
.macro dyna_linker_main
/* r0 = virtual target address */
/* r1 = instruction to patch */
ldmfd sp!, {r4, r5, r6, r7, r8, r9, sl, fp, ip, pc}
.size new_dyna_leave, .-new_dyna_leave
- /* these are used to call memhandlers */
- .align 2
- .global indirect_jump_indexed
- .type indirect_jump_indexed, %function
-indirect_jump_indexed:
- ldr r0, [r0, r1, lsl #2]
- .global indirect_jump
- .type indirect_jump, %function
-indirect_jump:
- ldr r12, [fp, #last_count-dynarec_local]
- add r2, r2, r12
- str r2, [fp, #cycle-dynarec_local]
- mov pc, r0
- .size indirect_jump, .-indirect_jump
- .size indirect_jump_indexed, .-indirect_jump_indexed
-
.align 2
.global invalidate_addr_r0
.type invalidate_addr_r0, %function
/* --------------------------------------- */
.align 2
-.global ari_read_ram8
-.global ari_read_ram16
-.global ari_read_ram32
-.global ari_read_ram_mirror8
-.global ari_read_ram_mirror16
-.global ari_read_ram_mirror32
-.global ari_write_ram8
-.global ari_write_ram16
-.global ari_write_ram32
-.global ari_write_ram_mirror8
-.global ari_write_ram_mirror16
-.global ari_write_ram_mirror32
-.global ari_write_ram_mirror_ro32
-.global ari_read_bios8
-.global ari_read_bios16
-.global ari_read_bios32
-.global ari_read_io8
-.global ari_read_io16
-.global ari_read_io32
-.global ari_write_io8
-.global ari_write_io16
-.global ari_write_io32
.global jump_handler_read8
.global jump_handler_read16
.global jump_handler_read32
+.global jump_handler_write8
+.global jump_handler_write16
+.global jump_handler_write32
+.global jump_handler_write_h
+.global jump_handle_swl
+.global jump_handle_swr
+.global rcnt0_read_count_m0
+.global rcnt0_read_count_m1
+.global rcnt1_read_count_m0
+.global rcnt1_read_count_m1
+.global rcnt2_read_count_m0
+.global rcnt2_read_count_m1
-.macro ari_read_ram bic_const op
- ldr r0, [fp, #address-dynarec_local]
-.if \bic_const
- bic r0, r0, #\bic_const
-.endif
- \op r0, [r0]
- str r0, [fp, #readmem_dword-dynarec_local]
- mov pc, lr
-.endm
-
-ari_read_ram8:
- ari_read_ram 0, ldrb
-
-ari_read_ram16:
- ari_read_ram 1, ldrh
-
-ari_read_ram32:
- ari_read_ram 3, ldr
-
-.macro ari_read_ram_mirror mvn_const, op
- ldr r0, [fp, #address-dynarec_local]
- mvn r1, #\mvn_const
- and r0, r1, lsr #11
- orr r0, r0, #1<<31
- \op r0, [r0]
- str r0, [fp, #readmem_dword-dynarec_local]
- mov pc, lr
-.endm
-
-ari_read_ram_mirror8:
- ari_read_ram_mirror 0, ldrb
-
-ari_read_ram_mirror16:
- ari_read_ram_mirror (1<<11), ldrh
-
-ari_read_ram_mirror32:
- ari_read_ram_mirror (3<<11), ldr
-
-/* invalidation is already taken care of by the caller */
-.macro ari_write_ram bic_const var pf
- ldr r0, [fp, #address-dynarec_local]
- ldr\pf r1, [fp, #\var-dynarec_local]
-.if \bic_const
- bic r0, r0, #\bic_const
-.endif
- str\pf r1, [r0]
- mov pc, lr
-.endm
-
-ari_write_ram8:
- ari_write_ram 0, byte, b
-
-ari_write_ram16:
- ari_write_ram 1, hword, h
-
-ari_write_ram32:
- ari_write_ram 3, word,
-
-.macro ari_write_ram_mirror mvn_const var pf
- ldr r0, [fp, #address-dynarec_local]
- mvn r3, #\mvn_const
- ldr\pf r1, [fp, #\var-dynarec_local]
- and r0, r3, lsr #11
- ldr r2, [fp, #invc_ptr-dynarec_local]
- orr r0, r0, #1<<31
- ldrb r2, [r2, r0, lsr #12]
- str\pf r1, [r0]
- tst r2, r2
- movne pc, lr
- ldr r1, [fp, #inv_code_start-dynarec_local]
- ldr r2, [fp, #inv_code_end-dynarec_local]
- cmp r0, r1
- cmpcs r2, r0
- movcs pc, lr
- nop
- b invalidate_addr
-.endm
-
-ari_write_ram_mirror8:
- ari_write_ram_mirror 0, byte, b
-
-ari_write_ram_mirror16:
- ari_write_ram_mirror (1<<11), hword, h
-
-ari_write_ram_mirror32:
- ari_write_ram_mirror (3<<11), word,
-
-ari_write_ram_mirror_ro32:
- load_var_adr r0, pcsx_ram_is_ro
- ldr r0, [r0]
- tst r0, r0
- movne pc, lr
- nop
- b ari_write_ram_mirror32
-
-
-.macro ari_read_bios_mirror bic_const op
- ldr r0, [fp, #address-dynarec_local]
- orr r0, r0, #0x80000000
- bic r0, r0, #(0x20000000|\bic_const) @ map to 0x9fc...
- \op r0, [r0]
- str r0, [fp, #readmem_dword-dynarec_local]
- mov pc, lr
-.endm
-
-ari_read_bios8:
- ari_read_bios_mirror 0, ldrb
-
-ari_read_bios16:
- ari_read_bios_mirror 1, ldrh
-
-ari_read_bios32:
- ari_read_bios_mirror 3, ldr
-
-
-@ for testing
-.macro ari_read_io_old tab_shift
- str lr, [sp, #-8]! @ EABI alignment..
-.if \tab_shift == 0
- bl psxHwRead32
-.endif
-.if \tab_shift == 1
- bl psxHwRead16
-.endif
-.if \tab_shift == 2
- bl psxHwRead8
-.endif
- str r0, [fp, #readmem_dword-dynarec_local]
- ldr pc, [sp], #8
-.endm
-
-.macro ari_read_io readop mem_tab tab_shift
- ldr r0, [fp, #address-dynarec_local]
- ldr r1, [fp, #psxH_ptr-dynarec_local]
-.if \tab_shift == 0
- bic r0, r0, #3
-.endif
-.if \tab_shift == 1
- bic r0, r0, #1
-.endif
- bic r2, r0, #0x1f800000
- ldr r12,[fp, #\mem_tab-dynarec_local]
- subs r3, r2, #0x1000
- blo 2f
-@ ari_read_io_old \tab_shift
- cmp r3, #0x880
- bhs 1f
- ldr r12,[r12, r3, lsl #\tab_shift]
- tst r12,r12
- beq 2f
-0:
- str lr, [sp, #-8]! @ EABI alignment..
- blx r12
- str r0, [fp, #readmem_dword-dynarec_local]
- ldr pc, [sp], #8
-
-1:
-.if \tab_shift == 1 @ read16
- cmp r2, #0x1c00
- blo 2f
- cmp r2, #0x1e00
- bhs 2f
- ldr r12,[fp, #spu_readf-dynarec_local]
- b 0b
-.endif
-2:
- @ no handler, just read psxH
- \readop r0, [r1, r2]
- str r0, [fp, #readmem_dword-dynarec_local]
- mov pc, lr
-.endm
-
-ari_read_io8:
- ari_read_io ldrb, tab_read8, 2
-
-ari_read_io16:
- ari_read_io ldrh, tab_read16, 1
-
-ari_read_io32:
- ari_read_io ldr, tab_read32, 0
-
-.macro ari_write_io_old tab_shift
-.if \tab_shift == 0
- b psxHwWrite32
-.endif
-.if \tab_shift == 1
- b psxHwWrite16
-.endif
-.if \tab_shift == 2
- b psxHwWrite8
-.endif
-.endm
-
-.macro ari_write_io pf var mem_tab tab_shift
- ldr r0, [fp, #address-dynarec_local]
- ldr\pf r1, [fp, #\var-dynarec_local]
-.if \tab_shift == 0
- bic r0, r0, #3
-.endif
-.if \tab_shift == 1
- bic r0, r0, #1
-.endif
- bic r2, r0, #0x1f800000
- ldr r12,[fp, #\mem_tab-dynarec_local]
- subs r3, r2, #0x1000
- blo 0f
-@ ari_write_io_old \tab_shift
- cmp r3, #0x880
- bhs 1f
- ldr r12,[r12, r3, lsl #\tab_shift]
- mov r0, r1
- tst r12,r12
- bxne r12
-0:
- ldr r3, [fp, #psxH_ptr-dynarec_local]
- str\pf r1, [r2, r3]
- mov pc, lr
-1:
- cmp r2, #0x1c00
- blo 0b
- cmp r2, #0x1e00
-.if \tab_shift != 0
- ldrlo pc, [fp, #spu_writef-dynarec_local]
-.else
- @ write32 to SPU - very rare case (is this correct?)
- bhs 0b
- add r2, r0, #2
- mov r3, r1, lsr #16
- push {r2,r3,lr}
- mov lr, pc
- ldr pc, [fp, #spu_writef-dynarec_local]
- pop {r0,r1,lr}
- ldr pc, [fp, #spu_writef-dynarec_local]
-.endif
- nop
- b 0b
-.endm
-
-ari_write_io8:
- @ PCSX always writes to psxH, so do we for consistency
- ldr r0, [fp, #address-dynarec_local]
- ldr r3, [fp, #psxH_ptr-dynarec_local]
- ldrb r1, [fp, #byte-dynarec_local]
- bic r2, r0, #0x1f800000
- ldr r12,[fp, #tab_write8-dynarec_local]
- strb r1, [r2, r3]
- subs r3, r2, #0x1000
- movlo pc, lr
-@ ari_write_io_old 2
- cmp r3, #0x880
- movhs pc, lr
- ldr r12,[r12, r3, lsl #2]
- mov r0, r1
- tst r12,r12
- bxne r12
- mov pc, lr
-
-ari_write_io16:
- ari_write_io h, hword, tab_write16, 1
-
-ari_write_io32:
- ari_write_io , word, tab_write32, 0
-
-/* */
.macro pcsx_read_mem readop tab_shift
/* r0 = address, r1 = handler_tab, r2 = cycles */
jump_handler_read32:
pcsx_read_mem ldrcc, 2
+
+.macro pcsx_write_mem wrtop tab_shift
+ /* r0 = address, r1 = data, r2 = cycles, r3 = handler_tab */
+ lsl r12,r0, #20
+ lsr r12, #(20+\tab_shift)
+ ldr r3, [r3, r12, lsl #2]
+ str r0, [fp, #address-dynarec_local] @ some handlers still need it..
+ lsls r3, #1
+ mov r0, r2 @ cycle return in case of direct store
+.if \tab_shift == 1
+ lsl r12, #1
+ \wrtop r1, [r3, r12]
+.else
+ \wrtop r1, [r3, r12, lsl #\tab_shift]
+.endif
+ movcc pc, lr
+ ldr r12, [fp, #last_count-dynarec_local]
+ mov r0, r1
+ add r2, r2, r12
+ push {r2, lr}
+ str r2, [fp, #cycle-dynarec_local]
+ blx r3
+
+ ldr r0, [fp, #next_interupt-dynarec_local]
+ pop {r2, r3}
+ str r0, [fp, #last_count-dynarec_local]
+ sub r0, r2, r0
+ bx r3
+.endm
+
+jump_handler_write8:
+ add r3, #0x1000/4*4 + 0x1000/2*4 @ shift to r8 part
+ pcsx_write_mem strccb, 0
+
+jump_handler_write16:
+ add r3, #0x1000/4*4 @ shift to r16 part
+ pcsx_write_mem strcch, 1
+
+jump_handler_write32:
+ pcsx_write_mem strcc, 2
+
+jump_handler_write_h:
+ /* r0 = address, r1 = data, r2 = cycles, r3 = handler */
+ ldr r12, [fp, #last_count-dynarec_local]
+ str r0, [fp, #address-dynarec_local] @ some handlers still need it..
+ add r2, r2, r12
+ mov r0, r1
+ push {r2, lr}
+ str r2, [fp, #cycle-dynarec_local]
+ blx r3
+
+ ldr r0, [fp, #next_interupt-dynarec_local]
+ pop {r2, r3}
+ str r0, [fp, #last_count-dynarec_local]
+ sub r0, r2, r0
+ bx r3
+
+jump_handle_swl:
+ /* r0 = address, r1 = data, r2 = cycles */
+ ldr r3, [fp, #mem_wtab-dynarec_local]
+ mov r12,r0,lsr #12
+ ldr r3, [r3, r12, lsl #2]
+ lsls r3, #1
+ bcs 4f
+ add r3, r0, r3
+ mov r0, r2
+ tst r3, #2
+ beq 101f
+ tst r3, #1
+ beq 2f
+3:
+ str r1, [r3, #-3]
+ bx lr
+2:
+ lsr r2, r1, #8
+ lsr r1, #24
+ strh r2, [r3, #-2]
+ strb r1, [r3]
+ bx lr
+101:
+ tst r3, #1
+ lsrne r1, #16 @ 1
+ lsreq r12, r1, #24 @ 0
+ strneh r1, [r3, #-1]
+ streqb r12, [r3]
+ bx lr
+4:
+ mov r0, r2
+@ b abort
+ bx lr @ TODO?
+
+
+jump_handle_swr:
+ /* r0 = address, r1 = data, r2 = cycles */
+ ldr r3, [fp, #mem_wtab-dynarec_local]
+ mov r12,r0,lsr #12
+ ldr r3, [r3, r12, lsl #2]
+ lsls r3, #1
+ bcs 4f
+ add r3, r0, r3
+ and r12,r3, #3
+ mov r0, r2
+ cmp r12,#2
+ strgtb r1, [r3] @ 3
+ streqh r1, [r3] @ 2
+ cmp r12,#1
+ strlt r1, [r3] @ 0
+ bxne lr
+ lsr r2, r1, #8 @ 1
+ strb r1, [r3]
+ strh r2, [r3, #1]
+ bx lr
+4:
+ mov r0, r2
+@ b abort
+ bx lr @ TODO?
+
+
+.macro rcntx_read_mode0 num
+ /* r0 = address, r2 = cycles */
+ ldr r3, [fp, #rcnts-dynarec_local+6*4+7*4*\num] @ cycleStart
+ mov r0, r2, lsl #16
+ sub r0, r3, lsl #16
+ lsr r0, #16
+ bx lr
+.endm
+
+rcnt0_read_count_m0:
+ rcntx_read_mode0 0
+
+rcnt1_read_count_m0:
+ rcntx_read_mode0 1
+
+rcnt2_read_count_m0:
+ rcntx_read_mode0 2
+
+rcnt0_read_count_m1:
+ /* r0 = address, r2 = cycles */
+ ldr r3, [fp, #rcnts-dynarec_local+6*4+7*4*0] @ cycleStart
+ mov_16 r1, 0x3334
+ sub r2, r2, r3
+ mul r0, r1, r2 @ /= 5
+ lsr r0, #16
+ bx lr
+
+rcnt1_read_count_m1:
+ /* r0 = address, r2 = cycles */
+ ldr r3, [fp, #rcnts-dynarec_local+6*4+7*4*1]
+ mov_24 r1, 0x1e6cde
+ sub r2, r2, r3
+ umull r3, r0, r1, r2 @ ~ /= hsync_cycles, max ~0x1e6cdd
+ bx lr
+
+rcnt2_read_count_m1:
+ /* r0 = address, r2 = cycles */
+ ldr r3, [fp, #rcnts-dynarec_local+6*4+7*4*2]
+ mov r0, r2, lsl #16-3
+ sub r0, r3, lsl #16-3
+ lsr r0, #16 @ /= 8
+ bx lr
+
@ vim:filetype=armasm
notaz.gp2x.de / pcsx_rearmed.git / blobdiff