drc: support RFE, remove ERET (it's not in r3k)

diff --git a/libpcsxcore/new_dynarec/assem_arm.c b/libpcsxcore/new_dynarec/assem_arm.c
index 4065afa..a22c3c0 100644 (file)
--- a/libpcsxcore/new_dynarec/assem_arm.c
+++ b/libpcsxcore/new_dynarec/assem_arm.c
@@ -1003,6 +1003,15 @@ void emit_or_and_set_flags(int rs1,int rs2,int rt)
   output_w32(0xe1900000|rd_rn_rm(rt,rs1,rs2));
 }
 
+void emit_orrshr_imm(u_int rs,u_int imm,u_int rt)
+{
+  assert(rs<16);
+  assert(rt<16);
+  assert(imm<32);
+  assem_debug("orr %s,%s,%s,lsr #%d\n",regname[rt],regname[rt],regname[rs],imm);
+  output_w32(0xe1800020|rd_rn_rm(rt,rt,rs)|(imm<<7));
+}
+
 void emit_xor(u_int rs1,u_int rs2,u_int rt)
 {
   assem_debug("eor %s,%s,%s\n",regname[rt],regname[rs1],regname[rs2]);
@@ -3463,6 +3472,16 @@ void cop0_assemble(int i,struct regstat *i_regs)
     if((source[i]&0x3f)==0x08) // TLBP
       emit_call((int)TLBP);
 #endif
+#ifdef PCSX
+    if((source[i]&0x3f)==0x10) // RFE
+    {
+      emit_readword((int)&Status,0);
+      emit_andimm(0,0x3c,1);
+      emit_andimm(0,~0xf,0);
+      emit_orrshr_imm(1,2,0);
+      emit_writeword(0,(int)&Status);
+    }
+#else
     if((source[i]&0x3f)==0x18) // ERET
     {
       int count=ccadj[i];
@@ -3470,6 +3489,7 @@ void cop0_assemble(int i,struct regstat *i_regs)
       emit_addimm(HOST_CCREG,CLOCK_DIVIDER*count,HOST_CCREG); // TODO: Should there be an extra cycle here?
       emit_jmp((int)jump_eret);
     }
+#endif
   }
 }
 

diff --git a/libpcsxcore/new_dynarec/emu_if.c b/libpcsxcore/new_dynarec/emu_if.c
index 9b16537..897791f 100644 (file)
--- a/libpcsxcore/new_dynarec/emu_if.c
+++ b/libpcsxcore/new_dynarec/emu_if.c
@@ -118,12 +118,6 @@ void MTC0_()
        gen_interupt(); /* FIXME: checking pending irqs should be enough */
 }
 
-void check_interupt()
-{
-       /* FIXME (also asm) */
-       printf("ari64_check_interupt\n");
-}
-
 void new_dyna_save(void)
 {
        // psxRegs.intCycle is always maintained, no need to convert

diff --git a/libpcsxcore/new_dynarec/linkage_arm.s b/libpcsxcore/new_dynarec/linkage_arm.s
index b5922dd..f8bdca2 100644 (file)
--- a/libpcsxcore/new_dynarec/linkage_arm.s
+++ b/libpcsxcore/new_dynarec/linkage_arm.s
@@ -1,7 +1,7 @@
 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
  *   linkage_arm.s for PCSX                                                *
  *   Copyright (C) 2009-2010 Ari64                                         *
- *   Copyright (C) 2010 Gražvydas "notaz" Ignotas                          *
+ *   Copyright (C) 2010-2011 Gražvydas "notaz" Ignotas                     *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
@@ -739,32 +739,6 @@ indirect_jump:
        .size   indirect_jump, .-indirect_jump
        .size   indirect_jump_indexed, .-indirect_jump_indexed
 
-       .align  2
-       .global jump_eret
-       .type   jump_eret, %function
-jump_eret:
-       ldr     r1, [fp, #reg_cop0+48-dynarec_local] /* Status */
-       ldr     r0, [fp, #last_count-dynarec_local]
-       bic     r1, r1, #2
-       add     r10, r0, r10
-       str     r1, [fp, #reg_cop0+48-dynarec_local] /* Status */
-       str     r10, [fp, #cycle-dynarec_local]
-       bl      check_interupt
-       ldr     r1, [fp, #next_interupt-dynarec_local]
-       ldr     r0, [fp, #reg_cop0+56-dynarec_local] /* EPC */
-       str     r1, [fp, #last_count-dynarec_local]
-       subs    r10, r10, r1
-       bpl     .E11
-.E8:
-       bl      get_addr
-       mov     pc, r0
-.E11:
-       str     r0, [fp, #pcaddr-dynarec_local]
-       bl      cc_interrupt
-       ldr     r0, [fp, #pcaddr-dynarec_local]
-       b       .E8
-       .size   jump_eret, .-jump_eret
-
        .align  2
        .global new_dyna_start
        .type   new_dyna_start, %function

diff --git a/libpcsxcore/new_dynarec/new_dynarec.c b/libpcsxcore/new_dynarec/new_dynarec.c
index 74ee8e6..cfdec43 100644 (file)
--- a/libpcsxcore/new_dynarec/new_dynarec.c
+++ b/libpcsxcore/new_dynarec/new_dynarec.c
@@ -7933,7 +7933,11 @@ int new_recompile_block(int addr)
             case 0x02: strcpy(insn[i],"TLBWI"); type=COP0; break;
             case 0x06: strcpy(insn[i],"TLBWR"); type=COP0; break;
             case 0x08: strcpy(insn[i],"TLBP"); type=COP0; break;
+#ifdef PCSX
+            case 0x10: strcpy(insn[i],"RFE"); type=COP0; break;
+#else
             case 0x18: strcpy(insn[i],"ERET"); type=COP0; break;
+#endif
           }
         }
         break;