/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
- * Mupen64plus - linkage_arm.s *
- * Copyright (C) 2009-2010 Ari64 *
+ * linkage_arm.s for PCSX *
+ * Copyright (C) 2009-2011 Ari64 *
+ * Copyright (C) 2010-2011 GraÅžvydas "notaz" Ignotas *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+.equiv HAVE_ARMV7, 1
+
+.if HAVE_ARMV7
+ .cpu cortex-a8
+ .fpu vfp
+.else
.cpu arm9tdmi
.fpu softvfp
- .eabi_attribute 20, 1
- .eabi_attribute 21, 1
- .eabi_attribute 23, 3
- .eabi_attribute 24, 1
- .eabi_attribute 25, 1
- .eabi_attribute 26, 2
- .eabi_attribute 30, 6
- .eabi_attribute 18, 4
- .file "linkage_arm.s"
+.endif
.global rdram
rdram = 0x80000000
.global dynarec_local
.global hi
.global lo
.global reg_cop0
+ .global reg_cop2d
+ .global reg_cop2c
.global FCR0
.global FCR31
.global next_interupt
.global memory_map
/* psx */
.global psxRegs
+ .global nd_pcsx_io
+ .global psxH_ptr
.bss
.align 4
pending_exception = last_count + 4
.type pending_exception, %object
.size pending_exception, 4
-pcaddr = pending_exception + 4
- .type pcaddr, %object
- .size pcaddr, 4
-stop = pcaddr + 4
+stop = pending_exception + 4
.type stop, %object
.size stop, 4
invc_ptr = stop + 4
FCR31 = FCR0 + 4
.type FCR31, %object
.size FCR31, 4
-reg = FCR31 + 4
+psxRegs = FCR31 + 4
/* psxRegs */
-psxRegs = reg
+ .type psxRegs, %object
+ .size psxRegs, psxRegs_end-psxRegs
+reg = psxRegs
.type reg, %object
.size reg, 128
- .size psxRegs, psxRegs_end-psxRegs
-hi = reg + 128
- .type hi, %object
- .size hi, 4
-lo = hi + 4
+lo = reg + 128
.type lo, %object
.size lo, 4
-reg_cop0 = lo + 4
+hi = lo + 4
+ .type hi, %object
+ .size hi, 4
+reg_cop0 = hi + 4
.type reg_cop0, %object
.size reg_cop0, 128
reg_cop2d = reg_cop0 + 128
.type reg_cop2c, %object
.size reg_cop2c, 128
PC = reg_cop2c + 128
+pcaddr = PC
.type PC, %object
.size PC, 4
code = PC + 4
.size interrupt, 4
intCycle = interrupt + 4
.type intCycle, %object
- .size intCycle, 128
-psxRegs_end = intCycle + 128
+ .size intCycle, 256
+psxRegs_end = intCycle + 256
+
+/* nd_pcsx_io */
+nd_pcsx_io = psxRegs_end
+ .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
-align0 = psxRegs_end /* just for alignment */
+psxH_ptr = nd_pcsx_io_end
+ .type psxH_ptr, %object
+ .size psxH_ptr, 4
+align0 = psxH_ptr + 4 /* just for alignment */
.type align0, %object
.size align0, 4
branch_target = align0 + 4
bl get_addr_ht
mov pc, r0
.size exec_pagefault, .-exec_pagefault
+
/* Special dynamic linker for the case where a page fault
may occur in a branch delay slot */
.global dyna_linker_ds
.word jump_dirty
.htptr:
.word hash_table
+
.align 2
.global jump_vaddr_r0
.type jump_vaddr_r0, %function
ldr r10, [fp, #cycle_count-dynarec_local]
mov pc, r0
.size jump_vaddr, .-jump_vaddr
+
.align 2
.global verify_code_ds
.type verify_code_ds, %function
.global verify_code_vm
.type verify_code_vm, %function
verify_code_vm:
- /* r0 = instruction pointer (virtual address) */
- /* r1 = source (virtual address) */
- /* r2 = target */
- /* r3 = length */
- cmp r1, #0xC0000000
- blt verify_code
- add r12, fp, #memory_map-dynarec_local
- lsr r4, r1, #12
- add r5, r1, r3
- sub r5, #1
- ldr r6, [r12, r4, lsl #2]
- lsr r5, r5, #12
- movs r7, r6
- bmi .D5
- add r1, r1, r6, lsl #2
- lsl r6, r6, #2
-.D1:
- add r4, r4, #1
- teq r6, r7, lsl #2
- bne .D5
- ldr r7, [r12, r4, lsl #2]
- cmp r4, r5
- bls .D1
- .size verify_code_vm, .-verify_code_vm
.global verify_code
.type verify_code, %function
verify_code:
bl get_addr
mov pc, r0
.size verify_code, .-verify_code
+ .size verify_code_vm, .-verify_code_vm
+
.align 2
.global cc_interrupt
.type cc_interrupt, %function
str r1, [fp, #pending_exception-dynarec_local]
and r2, r2, r10, lsr #17
add r3, fp, #restore_candidate-dynarec_local
- str r10, [fp, #reg_cop0+36-dynarec_local] /* Count */
+ str r10, [fp, #cycle-dynarec_local] /* PCSX cycles */
+@@ str r10, [fp, #reg_cop0+36-dynarec_local] /* Count */
ldr r4, [r2, r3]
mov r10, lr
tst r4, r4
.E1:
bl gen_interupt
mov lr, r10
- ldr r10, [fp, #reg_cop0+36-dynarec_local] /* Count */
+ ldr r10, [fp, #cycle-dynarec_local]
ldr r0, [fp, #next_interupt-dynarec_local]
ldr r1, [fp, #pending_exception-dynarec_local]
ldr r2, [fp, #stop-dynarec_local]
str r0, [fp, #last_count-dynarec_local]
sub r10, r10, r0
tst r2, r2
- bne .E3
+ ldmnefd sp!, {r4, r5, r6, r7, r8, r9, sl, fp, ip, pc}
tst r1, r1
moveq pc, lr
.E2:
ldr r0, [fp, #pcaddr-dynarec_local]
bl get_addr_ht
mov pc, r0
-.E3:
- add r12, fp, #28
- ldmia r12, {r4, r5, r6, r7, r8, r9, sl, fp, pc}
.E4:
/* Move 'dirty' blocks to the 'clean' list */
lsl r5, r2, #3
tst r5, #31
bne .E5
b .E1
-
.size cc_interrupt, .-cc_interrupt
+
.align 2
.global do_interrupt
.type do_interrupt, %function
do_interrupt:
ldr r0, [fp, #pcaddr-dynarec_local]
bl get_addr_ht
- ldr r1, [fp, #next_interupt-dynarec_local]
- ldr r10, [fp, #reg_cop0+36-dynarec_local] /* Count */
- str r1, [fp, #last_count-dynarec_local]
- sub r10, r10, r1
add r10, r10, #2
mov pc, r0
.size do_interrupt, .-do_interrupt
+
.align 2
.global fp_exception
.type fp_exception, %function
add r2, r2, #0x2c
str r1, [fp, #reg_cop0+48-dynarec_local] /* Status */
str r2, [fp, #reg_cop0+52-dynarec_local] /* Cause */
- add r0, r3, #0x180
+ add r0, r3, #0x80
bl get_addr_ht
mov pc, r0
.size fp_exception, .-fp_exception
mov r2, #0x90000000 /* Set high bit if delay slot */
b .E7
.size fp_exception_ds, .-fp_exception_ds
+
.align 2
.global jump_syscall
.type jump_syscall, %function
mov r2, #0x20
str r1, [fp, #reg_cop0+48-dynarec_local] /* Status */
str r2, [fp, #reg_cop0+52-dynarec_local] /* Cause */
- add r0, r3, #0x180
+ add r0, r3, #0x80
bl get_addr_ht
mov pc, r0
.size jump_syscall, .-jump_syscall
.align 2
+
+ .align 2
+ .global jump_syscall_hle
+ .type jump_syscall_hle, %function
+jump_syscall_hle:
+ str r0, [fp, #pcaddr-dynarec_local] /* PC must be set to EPC for psxException */
+ ldr r2, [fp, #last_count-dynarec_local]
+ mov r1, #0 /* in delay slot */
+ add r2, r2, r10
+ mov r0, #0x20 /* cause */
+ str r2, [fp, #cycle-dynarec_local] /* PCSX cycle counter */
+ bl psxException
+
+ /* note: psxException might do recorsive recompiler call from it's HLE code,
+ * so be ready for this */
+pcsx_return:
+ ldr r1, [fp, #next_interupt-dynarec_local]
+ ldr r10, [fp, #cycle-dynarec_local]
+ ldr r0, [fp, #pcaddr-dynarec_local]
+ sub r10, r10, r1
+ str r1, [fp, #last_count-dynarec_local]
+ bl get_addr_ht
+ mov pc, r0
+ .size jump_syscall_hle, .-jump_syscall_hle
+
+ .align 2
+ .global jump_hlecall
+ .type jump_hlecall, %function
+jump_hlecall:
+ ldr r2, [fp, #last_count-dynarec_local]
+ str r0, [fp, #pcaddr-dynarec_local]
+ add r2, r2, r10
+ adr lr, pcsx_return
+ str r2, [fp, #cycle-dynarec_local] /* PCSX cycle counter */
+ bx r1
+ .size jump_hlecall, .-jump_hlecall
+
+ .align 2
+ .global jump_intcall
+ .type jump_intcall, %function
+jump_intcall:
+ ldr r2, [fp, #last_count-dynarec_local]
+ str r0, [fp, #pcaddr-dynarec_local]
+ add r2, r2, r10
+ adr lr, pcsx_return
+ str r2, [fp, #cycle-dynarec_local] /* PCSX cycle counter */
+ b execI
+ .size jump_hlecall, .-jump_hlecall
+
+new_dyna_leave:
+ .align 2
+ .global new_dyna_leave
+ .type new_dyna_leave, %function
+ ldr r0, [fp, #last_count-dynarec_local]
+ add r12, fp, #28
+ add r10, r0, r10
+ str r10, [fp, #cycle-dynarec_local]
+ 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]
- .size indirect_jump_indexed, .-indirect_jump_indexed
- .align 2
.global indirect_jump
.type indirect_jump, %function
indirect_jump:
ldr r12, [fp, #last_count-dynarec_local]
add r2, r2, r12
- str r2, [fp, #reg_cop0+36-dynarec_local] /* Count */
+ str r2, [fp, #cycle-dynarec_local]
mov pc, r0
.size indirect_jump, .-indirect_jump
+ .size indirect_jump_indexed, .-indirect_jump_indexed
+
.align 2
- .global jump_eret
- .type jump_eret, %function
-jump_eret:
- ldr r1, [fp, #reg_cop0+48-dynarec_local] /* Status */
- ldr r0, [fp, #last_count-dynarec_local]
- bic r1, r1, #2
- add r10, r0, r10
- str r1, [fp, #reg_cop0+48-dynarec_local] /* Status */
- str r10, [fp, #reg_cop0+36-dynarec_local] /* Count */
- bl check_interupt
- ldr r1, [fp, #next_interupt-dynarec_local]
- ldr r0, [fp, #reg_cop0+56-dynarec_local] /* EPC */
- str r1, [fp, #last_count-dynarec_local]
- subs r10, r10, r1
- bpl .E11
-.E8:
- add r6, fp, #reg+256-dynarec_local
- mov r5, #248
- mov r1, #0
-.E9:
- ldr r2, [r6, #-8]!
- ldr r3, [r6, #4]
- eor r3, r3, r2, asr #31
- subs r3, r3, #1
- adc r1, r1, r1
- subs r5, r5, #8
- bne .E9
- ldr r2, [fp, #hi-dynarec_local]
- ldr r3, [fp, #hi+4-dynarec_local]
- eors r3, r3, r2, asr #31
- ldr r2, [fp, #lo-dynarec_local]
- ldreq r3, [fp, #lo+4-dynarec_local]
- eoreq r3, r3, r2, asr #31
- subs r3, r3, #1
- adc r1, r1, r1
- bl get_addr_32
- mov pc, r0
-.E11:
- str r0, [fp, #pcaddr-dynarec_local]
- bl cc_interrupt
- ldr r0, [fp, #pcaddr-dynarec_local]
- b .E8
- .size jump_eret, .-jump_eret
+ .global invalidate_addr_r0
+ .type invalidate_addr_r0, %function
+invalidate_addr_r0:
+ stmia fp, {r0, r1, r2, r3, r12, lr}
+ lsr r0, r0, #12
+ b invalidate_addr_call
+ .size invalidate_addr_r0, .-invalidate_addr_r0
.align 2
- .global new_dyna_start
- .type new_dyna_start, %function
-new_dyna_start:
- ldr r12, .dlptr
- stmia r12, {r4, r5, r6, r7, r8, r9, sl, fp, lr}
- sub fp, r12, #28
- bl new_recompile_block
- ldr r0, [fp, #next_interupt-dynarec_local]
- ldr r10, [fp, #reg_cop0+36-dynarec_local] /* Count */
- str r0, [fp, #last_count-dynarec_local]
- sub r10, r10, r0
- mov pc, #0x2000000
-.dlptr:
- .word dynarec_local+28
- .size new_dyna_start, .-new_dyna_start
+ .global invalidate_addr_r1
+ .type invalidate_addr_r1, %function
+invalidate_addr_r1:
+ stmia fp, {r0, r1, r2, r3, r12, lr}
+ lsr r0, r1, #12
+ b invalidate_addr_call
+ .size invalidate_addr_r1, .-invalidate_addr_r1
.align 2
- .global write_rdram_new
- .type write_rdram_new, %function
-write_rdram_new:
- ldr r2, [fp, #address-dynarec_local]
- ldr r0, [fp, #word-dynarec_local]
- str r0, [r2]
- b .E12
- .size write_rdram_new, .-write_rdram_new
+ .global invalidate_addr_r2
+ .type invalidate_addr_r2, %function
+invalidate_addr_r2:
+ stmia fp, {r0, r1, r2, r3, r12, lr}
+ lsr r0, r2, #12
+ b invalidate_addr_call
+ .size invalidate_addr_r2, .-invalidate_addr_r2
.align 2
- .global write_rdramb_new
- .type write_rdramb_new, %function
-write_rdramb_new:
- ldr r2, [fp, #address-dynarec_local]
- ldrb r0, [fp, #byte-dynarec_local]
- eor r2, r2, #3
- strb r0, [r2]
- b .E12
- .size write_rdramb_new, .-write_rdramb_new
+ .global invalidate_addr_r3
+ .type invalidate_addr_r3, %function
+invalidate_addr_r3:
+ stmia fp, {r0, r1, r2, r3, r12, lr}
+ lsr r0, r3, #12
+ b invalidate_addr_call
+ .size invalidate_addr_r3, .-invalidate_addr_r3
.align 2
- .global write_rdramh_new
- .type write_rdramh_new, %function
-write_rdramh_new:
- ldr r2, [fp, #address-dynarec_local]
- ldrh r0, [fp, #hword-dynarec_local]
- eor r2, r2, #2
- strh r0, [r2]
- b .E12
- .size write_rdramh_new, .-write_rdramh_new
+ .global invalidate_addr_r4
+ .type invalidate_addr_r4, %function
+invalidate_addr_r4:
+ stmia fp, {r0, r1, r2, r3, r12, lr}
+ lsr r0, r4, #12
+ b invalidate_addr_call
+ .size invalidate_addr_r4, .-invalidate_addr_r4
.align 2
- .global write_rdramd_new
- .type write_rdramd_new, %function
-write_rdramd_new:
- ldr r2, [fp, #address-dynarec_local]
-/* ldrd r0, [fp, #dword-dynarec_local]*/
- ldr r0, [fp, #dword-dynarec_local]
- ldr r1, [fp, #dword+4-dynarec_local]
- str r0, [r2, #4]
- str r1, [r2]
- b .E12
- .size write_rdramd_new, .-write_rdramd_new
+ .global invalidate_addr_r5
+ .type invalidate_addr_r5, %function
+invalidate_addr_r5:
+ stmia fp, {r0, r1, r2, r3, r12, lr}
+ lsr r0, r5, #12
+ b invalidate_addr_call
+ .size invalidate_addr_r5, .-invalidate_addr_r5
.align 2
- .global do_invalidate
- .type do_invalidate, %function
-do_invalidate:
- ldr r2, [fp, #address-dynarec_local]
-.E12:
- ldr r1, [fp, #invc_ptr-dynarec_local]
- lsr r0, r2, #12
- ldrb r2, [r1, r0]
- tst r2, r2
- beq invalidate_block
- mov pc, lr
- .size do_invalidate, .-do_invalidate
+ .global invalidate_addr_r6
+ .type invalidate_addr_r6, %function
+invalidate_addr_r6:
+ stmia fp, {r0, r1, r2, r3, r12, lr}
+ lsr r0, r6, #12
+ b invalidate_addr_call
+ .size invalidate_addr_r6, .-invalidate_addr_r6
.align 2
- .global read_nomem_new
- .type read_nomem_new, %function
-/*read_nomem_new:*/
-read_nomemb_new:
-read_nomemh_new:
-read_nomemd_new:
- /* should never happen */
- b read_nomem_new
-/*
- ldr r2, [fp, #address-dynarec_local]
- add r12, fp, #memory_map-dynarec_local
- lsr r0, r2, #12
- ldr r12, [r12, r0, lsl #2]
- mov r1, #8
- tst r12, r12
- bmi tlb_exception
- ldr r0, [r2, r12, lsl #2]
- str r0, [fp, #readmem_dword-dynarec_local]
- mov pc, lr
-*/
- .size read_nomem_new, .-read_nomem_new
+ .global invalidate_addr_r7
+ .type invalidate_addr_r7, %function
+invalidate_addr_r7:
+ stmia fp, {r0, r1, r2, r3, r12, lr}
+ lsr r0, r7, #12
+ b invalidate_addr_call
+ .size invalidate_addr_r7, .-invalidate_addr_r7
.align 2
- .global read_nomemb_new
- .type read_nomemb_new, %function
-write_nomem_new:
- str r3, [fp, #24]
- str lr, [fp, #28]
- bl do_invalidate
- ldr r2, [fp, #address-dynarec_local]
- add r12, fp, #memory_map-dynarec_local
- ldr lr, [fp, #28]
- lsr r0, r2, #12
- ldr r3, [fp, #24]
- ldr r12, [r12, r0, lsl #2]
- mov r1, #0xc
- tst r12, #0x40000000
- bne tlb_exception
- ldr r0, [fp, #word-dynarec_local]
- str r0, [r2, r12, lsl #2]
- mov pc, lr
- .size write_nomem_new, .-write_nomem_new
+ .global invalidate_addr_r8
+ .type invalidate_addr_r8, %function
+invalidate_addr_r8:
+ stmia fp, {r0, r1, r2, r3, r12, lr}
+ lsr r0, r8, #12
+ b invalidate_addr_call
+ .size invalidate_addr_r8, .-invalidate_addr_r8
.align 2
- .global write_nomemb_new
- .type write_nomemb_new, %function
-write_nomemb_new:
- str r3, [fp, #24]
- str lr, [fp, #28]
- bl do_invalidate
- ldr r2, [fp, #address-dynarec_local]
- add r12, fp, #memory_map-dynarec_local
- ldr lr, [fp, #28]
- lsr r0, r2, #12
- ldr r3, [fp, #24]
- ldr r12, [r12, r0, lsl #2]
- mov r1, #0xc
- tst r12, #0x40000000
- bne tlb_exception
- eor r2, r2, #3
- ldrb r0, [fp, #byte-dynarec_local]
- strb r0, [r2, r12, lsl #2]
- mov pc, lr
- .size write_nomemb_new, .-write_nomemb_new
+ .global invalidate_addr_r9
+ .type invalidate_addr_r9, %function
+invalidate_addr_r9:
+ stmia fp, {r0, r1, r2, r3, r12, lr}
+ lsr r0, r9, #12
+ b invalidate_addr_call
+ .size invalidate_addr_r9, .-invalidate_addr_r9
.align 2
- .global write_nomemh_new
- .type write_nomemh_new, %function
-write_nomemh_new:
- str r3, [fp, #24]
- str lr, [fp, #28]
- bl do_invalidate
- ldr r2, [fp, #address-dynarec_local]
- add r12, fp, #memory_map-dynarec_local
- ldr lr, [fp, #28]
- lsr r0, r2, #12
- ldr r3, [fp, #24]
- ldr r12, [r12, r0, lsl #2]
- mov r1, #0xc
- lsls r12, #2
- bcs tlb_exception
- eor r2, r2, #2
- ldrh r0, [fp, #hword-dynarec_local]
- strh r0, [r2, r12]
- mov pc, lr
- .size write_nomemh_new, .-write_nomemh_new
+ .global invalidate_addr_r10
+ .type invalidate_addr_r10, %function
+invalidate_addr_r10:
+ stmia fp, {r0, r1, r2, r3, r12, lr}
+ lsr r0, r10, #12
+ b invalidate_addr_call
+ .size invalidate_addr_r10, .-invalidate_addr_r10
.align 2
- .global write_nomemd_new
- .type write_nomemd_new, %function
-write_nomemd_new:
- str r3, [fp, #24]
- str lr, [fp, #28]
- bl do_invalidate
- ldr r2, [fp, #address-dynarec_local]
- add r12, fp, #memory_map-dynarec_local
- ldr lr, [fp, #28]
- lsr r0, r2, #12
- ldr r3, [fp, #24]
- ldr r12, [r12, r0, lsl #2]
- mov r1, #0xc
- lsls r12, #2
- bcs tlb_exception
- add r3, r2, #4
- ldr r0, [fp, #dword+4-dynarec_local]
- ldr r1, [fp, #dword-dynarec_local]
-/* strd r0, [r2, r12]*/
- str r0, [r2, r12]
- str r1, [r3, r12]
- mov pc, lr
- .size write_nomemd_new, .-write_nomemd_new
+ .global invalidate_addr_r12
+ .type invalidate_addr_r12, %function
+invalidate_addr_r12:
+ stmia fp, {r0, r1, r2, r3, r12, lr}
+ lsr r0, r12, #12
+ .size invalidate_addr_r12, .-invalidate_addr_r12
.align 2
- .global tlb_exception
- .type tlb_exception, %function
-tlb_exception:
- /* r1 = cause */
- /* r2 = address */
- /* r3 = instr addr/flags */
- ldr r4, [fp, #reg_cop0+48-dynarec_local] /* Status */
- add r5, fp, #memory_map-dynarec_local
- lsr r6, r3, #12
- orr r1, r1, r3, lsl #31
- orr r4, r4, #2
- ldr r7, [r5, r6, lsl #2]
- bic r8, r3, #3
- str r4, [fp, #reg_cop0+48-dynarec_local] /* Status */
- mov r6, #0x6000000
- str r1, [fp, #reg_cop0+52-dynarec_local] /* Cause */
- orr r6, r6, #0x22
- ldr r0, [r8, r7, lsl #2]
- add r4, r8, r1, asr #29
- add r5, fp, #reg-dynarec_local
- str r4, [fp, #reg_cop0+56-dynarec_local] /* EPC */
- mov r7, #0xf8
- ldr r8, [fp, #reg_cop0+16-dynarec_local] /* Context */
- lsl r1, r0, #16
- lsr r4, r0, #26
- and r7, r7, r0, lsr #18
- mvn r9, #0xF000000F
- sub r2, r2, r1, asr #16
- bic r9, r9, #0x0F800000
- rors r6, r6, r4
- mov r0, #0x80000000
- ldrcs r2, [r5, r7]
- bic r8, r8, r9
- tst r3, #2
- str r2, [r5, r7]
- add r4, r2, r1, asr #16
- add r6, fp, #reg+4-dynarec_local
- asr r3, r2, #31
- str r4, [fp, #reg_cop0+32-dynarec_local] /* BadVAddr */
- add r0, r0, #0x180
- and r4, r9, r4, lsr #9
- strne r3, [r6, r7]
- orr r8, r8, r4
- str r8, [fp, #reg_cop0+16-dynarec_local] /* Context */
+ .global invalidate_addr_call
+ .type invalidate_addr_call, %function
+invalidate_addr_call:
+ bl invalidate_block
+ ldmia fp, {r0, r1, r2, r3, r12, pc}
+ .size invalidate_addr_call, .-invalidate_addr_call
+
+ .align 2
+ .global new_dyna_start
+ .type new_dyna_start, %function
+new_dyna_start:
+ /* ip is stored to conform EABI alignment */
+ stmfd sp!, {r4, r5, r6, r7, r8, r9, sl, fp, ip, lr}
+.if HAVE_ARMV7
+ movw fp, #:lower16:dynarec_local
+ movt fp, #:upper16:dynarec_local
+.else
+ ldr fp, .dlptr
+.endif
+ ldr r0, [fp, #pcaddr-dynarec_local]
bl get_addr_ht
ldr r1, [fp, #next_interupt-dynarec_local]
- ldr r10, [fp, #reg_cop0+36-dynarec_local] /* Count */
+ ldr r10, [fp, #cycle-dynarec_local]
str r1, [fp, #last_count-dynarec_local]
sub r10, r10, r1
- mov pc, r0
- .size tlb_exception, .-tlb_exception
- .align 2
- .global breakpoint
- .type breakpoint, %function
-breakpoint:
- /* Set breakpoint here for debugging */
+ mov pc, r0
+.dlptr:
+ .word dynarec_local
+ .size new_dyna_start, .-new_dyna_start
+
+/* --------------------------------------- */
+
+.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_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
+
+.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
+ lsr r0, r0, #12
+ b invalidate_block
+.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,
+
+
+.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
- .size breakpoint, .-breakpoint
- .section .note.GNU-stack,"",%progbits
+.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
+
+@ vim:filetype=armasm
notaz.gp2x.de / pcsx_rearmed.git / blobdiff