X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Fnew_dynarec%2Flinkage_arm.S;h=1a16aa04da6ff8b08cae51104ea1a8946b9fbab2;hb=cdc2da64d4c55a97c4507b6c9389bf4dca04695b;hp=f18488ce686803780e9459cbd0e6d71a18845a64;hpb=81dbbf4cbb16fc6c9a82a5b91e102c8005c5726a;p=pcsx_rearmed.git

diff --git a/libpcsxcore/new_dynarec/linkage_arm.S b/libpcsxcore/new_dynarec/linkage_arm.S
index f18488ce..1a16aa04 100644
--- a/libpcsxcore/new_dynarec/linkage_arm.S
+++ b/libpcsxcore/new_dynarec/linkage_arm.S
@@ -26,7 +26,7 @@
 
 #ifdef __MACH__
 #define dynarec_local		ESYM(dynarec_local)
-#define add_link		ESYM(add_link)
+#define add_jump_out		ESYM(add_jump_out)
 #define new_recompile_block	ESYM(new_recompile_block)
 #define get_addr		ESYM(get_addr)
 #define get_addr_ht		ESYM(get_addr_ht)
@@ -34,6 +34,7 @@
 #define gen_interupt		ESYM(gen_interupt)
 #define invalidate_addr		ESYM(invalidate_addr)
 #define gteCheckStallRaw	ESYM(gteCheckStallRaw)
+#define psxException		ESYM(psxException)
 #endif
 
 	.bss
@@ -60,7 +61,7 @@ DRC_VAR(pending_exception, 4)
 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 */
@@ -85,7 +86,7 @@ DRC_VAR(psxH_ptr, 4)
 DRC_VAR(zeromem_ptr, 4)
 DRC_VAR(invc_ptr, 4)
 DRC_VAR(scratch_buf_ptr, 4)
-@DRC_VAR(align1, 8) /* unused/alignment */
+DRC_VAR(ram_offset, 4)
 DRC_VAR(mini_ht, 256)
 DRC_VAR(restore_candidate, 512)
 
@@ -177,7 +178,7 @@ ptr_hash_table:
 	orrcs	r2, r6, #2048
 	ldr	r5, [r3, r2, lsl #2]
 	lsl	r12, r12, #8
-	add	r6, r1, r12, asr #6
+	add	r6, r1, r12, asr #6  /* old target */
 	mov	r8, #0
 	/* jump_in lookup */
 1:
@@ -197,7 +198,7 @@ ptr_hash_table:
 
 	mov	r5, r1
 	mov	r1, r6
-	bl	add_link
+	bl	add_jump_out
 	sub	r2, r8, r5
 	and	r1, r7, #0xff000000
 	lsl	r2, r2, #6
@@ -263,7 +264,7 @@ FUNCTION(dyna_linker):
 	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):
@@ -271,21 +272,13 @@ 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
@@ -439,7 +432,7 @@ FUNCTION(cc_interrupt):
 	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
@@ -497,19 +490,28 @@ FUNCTION(fp_exception_ds):
 	.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 */
@@ -661,6 +663,13 @@ FUNCTION(jump_handler_read32):
 	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
@@ -668,7 +677,7 @@ FUNCTION(jump_handler_read32):
 	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]
@@ -679,14 +688,13 @@ FUNCTION(jump_handler_read32):
 	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
 
@@ -707,14 +715,13 @@ FUNCTION(jump_handler_write_h):
 	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):
@@ -833,4 +840,44 @@ FUNCTION(call_gteStall):
 	add	r10, r10, r0
 	bx	lr
 
+#ifdef HAVE_ARMV6
+
+FUNCTION(get_reg):
+	ldr	r12, [r0]
+	and	r1, r1, #0xff
+	ldr	r2, [r0, #4]
+	orr	r1, r1, r1, lsl #8
+	ldr	r3, [r0, #8]
+	orr	r1, r1, r1, lsl #16   @ searched char in every byte
+	ldrb    r0, [r0, #12]         @ last byte
+	eor	r12, r12, r1
+	eor	r2, r2, r1
+	eor	r3, r3, r1
+	cmp     r0, r1, lsr #24
+	mov	r0, #12
+	mvn	r1, #0                @ r1=~0
+	bxeq	lr
+	orr	r3, r3, #0xff000000   @ EXCLUDE_REG
+	uadd8	r0, r12, r1           @ add and set GE bits when not 0 (match)
+	mov	r12, #0
+	sel	r0, r12, r1           @ 0 if no match, else ff in some byte
+	uadd8	r2, r2, r1
+	sel	r2, r12, r1
+	uadd8	r3, r3, r1
+	sel	r3, r12, r1
+	mov	r12, #3
+	clz     r0, r0                @ 0, 8, 16, 24 or 32
+	clz     r2, r2
+	clz     r3, r3
+	sub	r0, r12, r0, lsr #3   @ 3, 2, 1, 0 or -1
+	sub	r2, r12, r2, lsr #3
+	sub	r3, r12, r3, lsr #3
+	orr	r2, r2, #4
+	orr	r3, r3, #8
+	and	r0, r0, r2
+	and	r0, r0, r3
+	bx	lr
+
+#endif /* HAVE_ARMV6 */
+
 @ vim:filetype=armasm