#define gen_interupt ESYM(gen_interupt)
#define invalidate_addr ESYM(invalidate_addr)
#define gteCheckStallRaw ESYM(gteCheckStallRaw)
+#define psxException ESYM(psxException)
#endif
.bss
DRC_VAR(stop, 4)
DRC_VAR(branch_target, 4)
DRC_VAR(address, 4)
-@DRC_VAR(align0, 4) /* unused/alignment */
+DRC_VAR(hack_addr, 4)
DRC_VAR(psxRegs, LO_psxRegs_end - LO_psxRegs)
/* psxRegs */
beq dyna_linker
/* pagefault */
mov r1, r0
- mov r2, #8
+ mov r2, #(4<<2) /* Address error (fetch) */
.size dyna_linker, .-dyna_linker
FUNCTION(exec_pagefault):
/* r1 = fault address */
/* r2 = cause */
ldr r3, [fp, #LO_reg_cop0+48] /* Status */
- mvn r6, #0xF000000F
- ldr r4, [fp, #LO_reg_cop0+16] /* Context */
- bic r6, r6, #0x0F800000
str r0, [fp, #LO_reg_cop0+56] /* EPC */
orr r3, r3, #2
str r1, [fp, #LO_reg_cop0+32] /* BadVAddr */
- bic r4, r4, r6
str r3, [fp, #LO_reg_cop0+48] /* Status */
- and r5, r6, r1, lsr #9
str r2, [fp, #LO_reg_cop0+52] /* Cause */
- and r1, r1, r6, lsl #9
- str r1, [fp, #LO_reg_cop0+40] /* EntryHi */
- orr r4, r4, r5
- str r4, [fp, #LO_reg_cop0+16] /* Context */
mov r0, #0x80000000
+ orr r0, r0, #0x80
bl get_addr_ht
mov pc, r0
.size exec_pagefault, .-exec_pagefault
and r2, r2, r10, lsr #17
add r3, fp, #LO_restore_candidate
str r10, [fp, #LO_cycle] /* PCSX cycles */
-@@ str r10, [fp, #LO_reg_cop0+36] /* Count */
+@@ str r10, [fp, #LO_reg_cop0+36] /* Count - not on PSX */
ldr r4, [r2, r3]
mov r10, lr
tst r4, r4
.size fp_exception_ds, .-fp_exception_ds
.align 2
+FUNCTION(jump_break_ds):
+ mov r0, #0x24
+ mov r1, #1
+ b call_psxException
+FUNCTION(jump_break):
+ mov r0, #0x24
+ mov r1, #0
+ b call_psxException
+FUNCTION(jump_syscall_ds):
+ mov r0, #0x20
+ mov r1, #1
+ b call_psxException
FUNCTION(jump_syscall):
- ldr r1, [fp, #LO_reg_cop0+48] /* Status */
- mov r3, #0x80000000
- str r0, [fp, #LO_reg_cop0+56] /* EPC */
- orr r1, #2
- mov r2, #0x20
- str r1, [fp, #LO_reg_cop0+48] /* Status */
- str r2, [fp, #LO_reg_cop0+52] /* Cause */
- add r0, r3, #0x80
- bl get_addr_ht
- mov pc, r0
- .size jump_syscall, .-jump_syscall
- .align 2
+ mov r0, #0x20
+ mov r1, #0
+
+call_psxException:
+ ldr r3, [fp, #LO_last_count]
+ str r2, [fp, #LO_pcaddr]
+ add r10, r3, r10
+ str r10, [fp, #LO_cycle] /* PCSX cycles */
+ bl psxException
/* note: psxException might do recursive recompiler call from it's HLE code,
* so be ready for this */
pcsx_read_mem ldrcc, 2
+.macro memhandler_post
+ ldr r0, [fp, #LO_next_interupt]
+ ldr r2, [fp, #LO_cycle] @ memhandlers can modify cc, like dma
+ str r0, [fp, #LO_last_count]
+ sub r0, r2, r0
+.endm
+
.macro pcsx_write_mem wrtop tab_shift
/* r0 = address, r1 = data, r2 = cycles, r3 = handler_tab */
lsl r12,r0, #20
ldr r3, [r3, r12, lsl #2]
str r0, [fp, #LO_address] @ some handlers still need it..
lsls r3, #1
- mov r0, r2 @ cycle return in case of direct store
+ mov r0, r2 @ cycle return in case of direct store
.if \tab_shift == 1
lsl r12, #1
\wrtop r1, [r3, r12]
ldr r12, [fp, #LO_last_count]
mov r0, r1
add r2, r2, r12
- push {r2, lr}
str r2, [fp, #LO_cycle]
+
+ str lr, [fp, #LO_saved_lr]
blx r3
+ ldr lr, [fp, #LO_saved_lr]
- ldr r0, [fp, #LO_next_interupt]
- pop {r2, lr}
- str r0, [fp, #LO_last_count]
- sub r0, r2, r0
+ memhandler_post
bx lr
.endm
str r0, [fp, #LO_address] @ some handlers still need it..
add r2, r2, r12
mov r0, r1
- push {r2, lr}
str r2, [fp, #LO_cycle]
+
+ str lr, [fp, #LO_saved_lr]
blx r3
+ ldr lr, [fp, #LO_saved_lr]
- ldr r0, [fp, #LO_next_interupt]
- pop {r2, lr}
- str r0, [fp, #LO_last_count]
- sub r0, r2, r0
+ memhandler_post
bx lr
FUNCTION(jump_handle_swl):