DRC_VAR(scratch_buf_ptr, 8)
DRC_VAR(ram_offset, 8)
DRC_VAR(mini_ht, 256)
-DRC_VAR(restore_candidate, 512)
.text
.align 2
-/* r0 = virtual target address */
-/* r1 = instruction to patch */
-.macro dyna_linker_main
- /* XXX TODO: should be able to do better than this... */
- bl get_addr_ht
- br x0
-.endm
-
-
FUNCTION(dyna_linker):
/* r0 = virtual target address */
/* r1 = instruction to patch */
- dyna_linker_main
+ bl ndrc_get_addr_ht
+ br x0
.size dyna_linker, .-dyna_linker
-FUNCTION(exec_pagefault):
- /* r0 = instruction pointer */
- /* r1 = fault address */
- /* r2 = cause */
- bl abort
- .size exec_pagefault, .-exec_pagefault
-
-/* Special dynamic linker for the case where a page fault
- may occur in a branch delay slot */
-FUNCTION(dyna_linker_ds):
- /* r0 = virtual target address */
- /* r1 = instruction to patch */
- dyna_linker_main
- .size dyna_linker_ds, .-dyna_linker_ds
-
.align 2
FUNCTION(cc_interrupt):
ldr w0, [rFP, #LO_last_count]
- mov w2, #0x1fc
add rCC, w0, rCC
str wzr, [rFP, #LO_pending_exception]
- and w2, w2, rCC, lsr #17
- add x3, rFP, #LO_restore_candidate
str rCC, [rFP, #LO_cycle] /* PCSX cycles */
-# str rCC, [rFP, #LO_reg_cop0+36] /* Count */
- ldr w19, [x3, w2, uxtw]
mov x21, lr
- cbnz w19, 4f
1:
+ add x0, rFP, #LO_reg_cop0 /* CP0 */
bl gen_interupt
mov lr, x21
ldr rCC, [rFP, #LO_cycle]
ret
2:
ldr w0, [rFP, #LO_pcaddr]
- bl get_addr_ht
+ bl ndrc_get_addr_ht
br x0
-4:
- /* Move 'dirty' blocks to the 'clean' list */
- lsl w20, w2, #3
- str wzr, [x3, w2, uxtw]
-5:
- mov w0, w20
- add w20, w20, #1
- tbz w19, #0, 6f
- bl clean_blocks
-6:
- lsr w19, w19, #1
- tst w20, #31
- bne 5b
- b 1b
.size cc_interrupt, .-cc_interrupt
.align 2
-FUNCTION(fp_exception):
- mov w2, #0x10000000
-0:
- ldr w1, [rFP, #LO_reg_cop0+48] /* Status */
- mov w3, #0x80000000
- str w0, [rFP, #LO_reg_cop0+56] /* EPC */
- orr w1, w1, #2
- add w2, w2, #0x2c
- str w1, [rFP, #LO_reg_cop0+48] /* Status */
- str w2, [rFP, #LO_reg_cop0+52] /* Cause */
- add w0, w3, #0x80
- bl get_addr_ht
- br x0
- .size fp_exception, .-fp_exception
- .align 2
-FUNCTION(fp_exception_ds):
- mov w2, #0x90000000 /* Set high bit if delay slot */
- b 0b
- .size fp_exception_ds, .-fp_exception_ds
-
- .align 2
+FUNCTION(jump_addrerror_ds): /* R3000E_AdEL / R3000E_AdES in w0 */
+ str w1, [rFP, #(LO_psxRegs + (34+8)*4)] /* BadVaddr */
+ mov w1, #1
+ b call_psxException
+FUNCTION(jump_addrerror):
+ str w1, [rFP, #(LO_psxRegs + (34+8)*4)] /* BadVaddr */
+ mov w1, #0
+ b call_psxException
+FUNCTION(jump_overflow_ds):
+ mov w0, #(12<<2) /* R3000E_Ov */
+ mov w1, #1
+ b call_psxException
+FUNCTION(jump_overflow):
+ mov w0, #(12<<2)
+ mov w1, #0
+ b call_psxException
+FUNCTION(jump_break_ds):
+ mov w0, #(9<<2) /* R3000E_Bp */
+ mov w1, #1
+ b call_psxException
+FUNCTION(jump_break):
+ mov w0, #(9<<2)
+ mov w1, #0
+ b call_psxException
+FUNCTION(jump_syscall_ds):
+ mov w0, #(8<<2) /* R3000E_Syscall */
+ mov w1, #2
+ b call_psxException
FUNCTION(jump_syscall):
- ldr w1, [rFP, #LO_reg_cop0+48] /* Status */
- mov w3, #0x80000000
- str w0, [rFP, #LO_reg_cop0+56] /* EPC */
- orr w1, w1, #2
- mov w2, #0x20
- str w1, [rFP, #LO_reg_cop0+48] /* Status */
- str w2, [rFP, #LO_reg_cop0+52] /* Cause */
- add w0, w3, #0x80
- bl get_addr_ht
- br x0
- .size jump_syscall, .-jump_syscall
- .align 2
+ mov w0, #(8<<2)
+ mov w1, #0
+
+call_psxException:
+ ldr w3, [rFP, #LO_last_count]
+ str w2, [rFP, #LO_pcaddr]
+ add rCC, w3, rCC
+ str rCC, [rFP, #LO_cycle] /* PCSX cycles */
+ add x2, rFP, #LO_reg_cop0 /* CP0 */
+ bl psxException
/* note: psxException might do recursive recompiler call from it's HLE code,
* so be ready for this */
ldr w0, [rFP, #LO_pcaddr]
sub rCC, rCC, w1
str w1, [rFP, #LO_last_count]
- bl get_addr_ht
+ bl ndrc_get_addr_ht
br x0
.size jump_to_new_pc, .-jump_to_new_pc
ldr w0, [rFP, #LO_pcaddr]
str w1, [rFP, #LO_last_count]
sub rCC, w2, w1
- bl get_addr_ht
+ bl ndrc_get_addr_ht
br x0
.size new_dyna_start, .-new_dyna_start
orr w4, wzr, w0, lsr #12
ldr x3, [x3, w4, uxtw #3]
adds x3, x3, x3
- bcs 4f
+ bcs jump_handle_swx_interp
add x3, x0, x3
mov w0, w2
tbz x3, #1, 10f // & 2
lsr w2, w1, #24
strb w2, [x3]
ret
-4:
- mov w0, w2 // todo
- bl abort
- ret
FUNCTION(jump_handle_swr):
/* w0 = address, w1 = data, w2 = cycles */
orr w4, wzr, w0, lsr #12
ldr x3, [x3, w4, uxtw #3]
adds x3, x3, x3
- bcs 4f
+ bcs jump_handle_swx_interp
add x3, x0, x3
mov w0, w2
tbz x3, #1, 10f // & 2
0:
str w1, [x3]
ret
-4:
- mov w0, w2 // todo
- bl abort
- ret
+
+jump_handle_swx_interp: /* almost never happens */
+ ldr w3, [rFP, #LO_last_count]
+ add x0, rFP, #LO_psxRegs
+ add w2, w3, w2
+ str w2, [rFP, #LO_cycle] /* PCSX cycles */
+ bl execI
+ b jump_to_new_pc
FUNCTION(call_gteStall):
/* w0 = op_cycles, w1 = cycles */
notaz.gp2x.de / pcsx_rearmed.git / blobdiff