drc: convert linkage_arm to UAL, adjust loads

[pcsx_rearmed.git] / libpcsxcore / new_dynarec / linkage_arm.S

diff --git a/libpcsxcore/new_dynarec/linkage_arm.S b/libpcsxcore/new_dynarec/linkage_arm.S
index b48ec30..0c5b205 100644 (file)
--- a/libpcsxcore/new_dynarec/linkage_arm.S
+++ b/libpcsxcore/new_dynarec/linkage_arm.S
@@ -92,6 +92,22 @@ DRC_VAR(restore_candidate, 512)
 DRC_VAR(FCR0, 4)
 DRC_VAR(FCR31, 4)
 
+#ifdef __MACH__
+       .data
+       .align 2
+ptr_jump_in:
+       .word   ESYM(jump_in)
+ptr_jump_dirty:
+       .word   ESYM(jump_dirty)
+ptr_hash_table:
+       .word   ESYM(hash_table)
+#endif
+
+
+       .syntax unified
+       .text
+       .align  2
+
 #ifndef HAVE_ARMV5
 .macro blx rd
        mov     lr, pc
@@ -103,11 +119,27 @@ DRC_VAR(FCR31, 4)
 #if defined(__ARM_ARCH_7A__) && !defined(__PIC__)
        movw    \reg, #:lower16:\var
        movt    \reg, #:upper16:\var
+#elif defined(__ARM_ARCH_7A__) && defined(__MACH__)
+       movw    \reg, #:lower16:(\var-(1678f+4))
+       movt    \reg, #:upper16:(\var-(1678f+4))
+1678:
+       add     \reg, pc
 #else
        ldr     \reg, =\var
 #endif
 .endm
 
+.macro load_varadr_ext reg var
+#if defined(__ARM_ARCH_7A__) && defined(__MACH__) && defined(__PIC__)
+       movw    \reg, #:lower16:(ptr_\var-(1678f+4))
+       movt    \reg, #:upper16:(ptr_\var-(1678f+4))
+1678:
+       ldr     \reg, [pc, \reg]
+#else
+       load_varadr \reg \var
+#endif
+.endm
+
 .macro mov_16 reg imm
 #ifdef __ARM_ARCH_7A__
        movw    \reg, #\imm
@@ -131,7 +163,7 @@ DRC_VAR(FCR31, 4)
 .macro dyna_linker_main
        /* r0 = virtual target address */
        /* r1 = instruction to patch */
-       ldr     r3, .jiptr
+       load_varadr_ext r3, jump_in
        /* get_page */
        lsr     r2, r0, #12
        mov     r6, #4096
@@ -181,10 +213,10 @@ DRC_VAR(FCR31, 4)
 3:
        /* hash_table lookup */
        cmp     r2, #2048
-       ldr     r3, .jdptr
+       load_varadr_ext r3, jump_dirty
        eor     r4, r0, r0, lsl #16
        lslcc   r2, r0, #9
-       ldr     r6, .htptr
+       load_varadr_ext r6, hash_table
        lsr     r4, r4, #12
        lsrcc   r2, r2, #21
        bic     r4, r4, #15
@@ -216,8 +248,6 @@ DRC_VAR(FCR31, 4)
 8:
 .endm
 
-       .text
-       .align  2
 
 FUNCTION(dyna_linker):
        /* r0 = virtual target address */
@@ -282,12 +312,6 @@ FUNCTION(dyna_linker_ds):
        sub     r0, r1, #4
        b       exec_pagefault
        .size   dyna_linker_ds, .-dyna_linker_ds
-.jiptr:
-       .word   jump_in
-.jdptr:
-       .word   jump_dirty
-.htptr:
-       .word   hash_table
 
        .align  2
 
@@ -350,7 +374,7 @@ FUNCTION(jump_vaddr_r7):
        add     r0, r7, #0
        .size   jump_vaddr_r7, .-jump_vaddr_r7
 FUNCTION(jump_vaddr):
-       ldr     r1, .htptr
+       load_varadr_ext r1, hash_table
        mvn     r3, #15
        and     r2, r3, r2, lsr #12
        ldr     r2, [r1, r2]!
@@ -431,7 +455,7 @@ FUNCTION(cc_interrupt):
        str     r0, [fp, #LO_last_count]
        sub     r10, r10, r0
        tst     r2, r2
-       ldmnefd sp!, {r4, r5, r6, r7, r8, r9, sl, fp, ip, pc}
+       ldmfdne sp!, {r4, r5, r6, r7, r8, r9, sl, fp, ip, pc}
        tst     r1, r1
        moveq   pc, lr
 .E2:
@@ -666,11 +690,11 @@ FUNCTION(new_dyna_start):
 
 FUNCTION(jump_handler_read8):
        add     r1, #0x1000/4*4 + 0x1000/2*4 @ shift to r8 part
-       pcsx_read_mem ldrccb, 0
+       pcsx_read_mem ldrbcc, 0
 
 FUNCTION(jump_handler_read16):
        add     r1, #0x1000/4*4              @ shift to r16 part
-       pcsx_read_mem ldrcch, 1
+       pcsx_read_mem ldrbcc, 1
 
 FUNCTION(jump_handler_read32):
        pcsx_read_mem ldrcc, 2
@@ -707,11 +731,11 @@ FUNCTION(jump_handler_read32):
 
 FUNCTION(jump_handler_write8):
        add     r3, #0x1000/4*4 + 0x1000/2*4 @ shift to r8 part
-       pcsx_write_mem strccb, 0
+       pcsx_write_mem strbcc, 0
 
 FUNCTION(jump_handler_write16):
        add     r3, #0x1000/4*4              @ shift to r16 part
-       pcsx_write_mem strcch, 1
+       pcsx_write_mem strhcc, 1
 
 FUNCTION(jump_handler_write32):
        pcsx_write_mem strcc, 2
@@ -758,8 +782,8 @@ FUNCTION(jump_handle_swl):
        tst     r3, #1
        lsrne   r1, #16         @ 1
        lsreq   r12, r1, #24    @ 0
-       strneh  r1, [r3, #-1]
-       streqb  r12, [r3]
+       strhne  r1, [r3, #-1]
+       strbeq  r12, [r3]
        bx      lr
 4:
        mov     r0, r2
@@ -778,8 +802,8 @@ FUNCTION(jump_handle_swr):
        and     r12,r3, #3
        mov     r0, r2
        cmp     r12,#2
-       strgtb  r1, [r3]        @ 3
-       streqh  r1, [r3]        @ 2
+       strbgt  r1, [r3]        @ 3
+       strheq  r1, [r3]        @ 2
        cmp     r12,#1
        strlt   r1, [r3]        @ 0
        bxne    lr
@@ -797,7 +821,7 @@ FUNCTION(jump_handle_swr):
        /* r0 = address, r2 = cycles */
        ldr     r3, [fp, #LO_rcnts+6*4+7*4*\num] @ cycleStart
        mov     r0, r2, lsl #16
-       sub     r0, r3, lsl #16
+       sub     r0, r0, r3, lsl #16
        lsr     r0, #16
        bx      lr
 .endm
@@ -832,7 +856,7 @@ FUNCTION(rcnt2_read_count_m1):
        /* r0 = address, r2 = cycles */
        ldr     r3, [fp, #LO_rcnts+6*4+7*4*2]
        mov     r0, r2, lsl #16-3
-       sub     r0, r3, lsl #16-3
+       sub     r0, r0, r3, lsl #16-3
        lsr     r0, #16                 @ /= 8
        bx      lr