drc: something works on arm64

[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 d32dc0b..bbc52c3 100644 (file)
--- a/libpcsxcore/new_dynarec/linkage_arm.S
+++ b/libpcsxcore/new_dynarec/linkage_arm.S
@@ -32,8 +32,6 @@
 #define get_addr_ht            ESYM(get_addr_ht)
 #define clean_blocks           ESYM(clean_blocks)
 #define gen_interupt           ESYM(gen_interupt)
-#define psxException           ESYM(psxException)
-#define execI                  ESYM(execI)
 #define invalidate_addr                ESYM(invalidate_addr)
 #endif
 
@@ -59,12 +57,13 @@ DRC_VAR(cycle_count, 4)
 DRC_VAR(last_count, 4)
 DRC_VAR(pending_exception, 4)
 DRC_VAR(stop, 4)
-DRC_VAR(invc_ptr, 4)
+DRC_VAR(branch_target, 4)
 DRC_VAR(address, 4)
+@DRC_VAR(align0, 4) /* unused/alignment */
 DRC_VAR(psxRegs, LO_psxRegs_end - LO_psxRegs)
 
 /* psxRegs */
-DRC_VAR(reg, 128)
+@DRC_VAR(reg, 128)
 DRC_VAR(lo, 4)
 DRC_VAR(hi, 4)
 DRC_VAR(reg_cop0, 128)
@@ -77,21 +76,18 @@ DRC_VAR(pcaddr, 4)
 @DRC_VAR(intCycle, 256)
 
 DRC_VAR(rcnts, 7*4*4)
+DRC_VAR(inv_code_start, 4)
+DRC_VAR(inv_code_end, 4)
 DRC_VAR(mem_rtab, 4)
 DRC_VAR(mem_wtab, 4)
 DRC_VAR(psxH_ptr, 4)
 DRC_VAR(zeromem_ptr, 4)
-DRC_VAR(inv_code_start, 4)
-DRC_VAR(inv_code_end, 4)
-DRC_VAR(branch_target, 4)
+DRC_VAR(invc_ptr, 4)
 DRC_VAR(scratch_buf_ptr, 4)
-@DRC_VAR(align0, 12) /* unused/alignment */
+@DRC_VAR(align1, 8) /* unused/alignment */
 DRC_VAR(mini_ht, 256)
 DRC_VAR(restore_candidate, 512)
 
-/* unused */
-DRC_VAR(FCR0, 4)
-DRC_VAR(FCR31, 4)
 
 #ifdef TEXRELS_FORBIDDEN
        .data
@@ -221,8 +217,8 @@ ptr_hash_table:
        ldr     r5, [r3, r2, lsl #2]
        ldr     r7, [r6, r4]!
        teq     r7, r0
-       ldreq   pc, [r6, #4]
-       ldr     r7, [r6, #8]
+       ldreq   pc, [r6, #8]
+       ldr     r7, [r6, #4]
        teq     r7, r0
        ldreq   pc, [r6, #12]
        /* jump_dirty lookup */
@@ -237,10 +233,10 @@ ptr_hash_table:
        ldr     r1, [r4, #8]
        /* hash_table insert */
        ldr     r2, [r6]
-       ldr     r3, [r6, #4]
+       ldr     r3, [r6, #8]
        str     r0, [r6]
-       str     r1, [r6, #4]
-       str     r2, [r6, #8]
+       str     r1, [r6, #8]
+       str     r2, [r6, #4]
        str     r3, [r6, #12]
        mov     pc, r1
 8:
@@ -382,8 +378,8 @@ FUNCTION(jump_vaddr):
        and     r2, r3, r2, lsr #12
        ldr     r2, [r1, r2]!
        teq     r2, r0
-       ldreq   pc, [r1, #4]
-       ldr     r2, [r1, #8]
+       ldreq   pc, [r1, #8]
+       ldr     r2, [r1, #4]
        teq     r2, r0
        ldreq   pc, [r1, #12]
        str     r10, [fp, #LO_cycle_count]
@@ -395,8 +391,7 @@ FUNCTION(jump_vaddr):
        .align  2
 
 FUNCTION(verify_code_ds):
-       str     r8, [fp, #LO_branch_target]
-FUNCTION(verify_code_vm):
+       str     r8, [fp, #LO_branch_target]  @ preserve HOST_BTREG?
 FUNCTION(verify_code):
        /* r1 = source */
        /* r2 = target */
@@ -431,7 +426,7 @@ FUNCTION(verify_code):
        bl      get_addr
        mov     pc, r0
        .size   verify_code, .-verify_code
-       .size   verify_code_vm, .-verify_code_vm
+       .size   verify_code_ds, .-verify_code_ds
 
        .align  2
 FUNCTION(cc_interrupt):
@@ -479,14 +474,6 @@ FUNCTION(cc_interrupt):
        b       .E1
        .size   cc_interrupt, .-cc_interrupt
 
-       .align  2
-FUNCTION(do_interrupt):
-       ldr     r0, [fp, #LO_pcaddr]
-       bl      get_addr_ht
-       add     r10, r10, #2
-       mov     pc, r0
-       .size   do_interrupt, .-do_interrupt
-
        .align  2
 FUNCTION(fp_exception):
        mov     r2, #0x10000000
@@ -523,19 +510,9 @@ FUNCTION(jump_syscall):
        .size   jump_syscall, .-jump_syscall
        .align  2
 
-       .align  2
-FUNCTION(jump_syscall_hle):
-       str     r0, [fp, #LO_pcaddr] /* PC must be set to EPC for psxException */
-       ldr     r2, [fp, #LO_last_count]
-       mov     r1, #0    /* in delay slot */
-       add     r2, r2, r10
-       mov     r0, #0x20 /* cause */
-       str     r2, [fp, #LO_cycle] /* PCSX cycle counter */
-       bl      psxException
-
        /* note: psxException might do recursive recompiler call from it's HLE code,
         * so be ready for this */
-pcsx_return:
+FUNCTION(jump_to_new_pc):
        ldr     r1, [fp, #LO_next_interupt]
        ldr     r10, [fp, #LO_cycle]
        ldr     r0, [fp, #LO_pcaddr]
@@ -543,27 +520,7 @@ pcsx_return:
        str     r1, [fp, #LO_last_count]
        bl      get_addr_ht
        mov     pc, r0
-       .size   jump_syscall_hle, .-jump_syscall_hle
-
-       .align  2
-FUNCTION(jump_hlecall):
-       ldr     r2, [fp, #LO_last_count]
-       str     r0, [fp, #LO_pcaddr]
-       add     r2, r2, r10
-       adr     lr, pcsx_return
-       str     r2, [fp, #LO_cycle] /* PCSX cycle counter */
-       bx      r1
-       .size   jump_hlecall, .-jump_hlecall
-
-       .align  2
-FUNCTION(jump_intcall):
-       ldr     r2, [fp, #LO_last_count]
-       str     r0, [fp, #LO_pcaddr]
-       add     r2, r2, r10
-       adr     lr, pcsx_return
-       str     r2, [fp, #LO_cycle] /* PCSX cycle counter */
-       b       execI
-       .size   jump_hlecall, .-jump_hlecall
+       .size   jump_to_new_pc, .-jump_to_new_pc
 
        .align  2
 FUNCTION(new_dyna_leave):
@@ -658,7 +615,7 @@ invalidate_addr_call:
 FUNCTION(new_dyna_start):
        /* ip is stored to conform EABI alignment */
        stmfd   sp!, {r4, r5, r6, r7, r8, r9, sl, fp, ip, lr}
-       load_varadr fp, dynarec_local
+       mov     fp, r0 /* dynarec_local */
        ldr     r0, [fp, #LO_pcaddr]
        bl      get_addr_ht
        ldr     r1, [fp, #LO_next_interupt]
@@ -726,10 +683,10 @@ FUNCTION(jump_handler_read32):
        blx     r3
 
        ldr     r0, [fp, #LO_next_interupt]
-       pop     {r2, r3}
+       pop     {r2, lr}
        str     r0, [fp, #LO_last_count]
        sub     r0, r2, r0
-       bx      r3
+       bx      lr
 .endm
 
 FUNCTION(jump_handler_write8):
@@ -754,10 +711,10 @@ FUNCTION(jump_handler_write_h):
        blx     r3
 
        ldr     r0, [fp, #LO_next_interupt]
-       pop     {r2, r3}
+       pop     {r2, lr}
        str     r0, [fp, #LO_last_count]
        sub     r0, r2, r0
-       bx      r3
+       bx      lr
 
 FUNCTION(jump_handle_swl):
        /* r0 = address, r1 = data, r2 = cycles */