X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=libpcsxcore%2Fnew_dynarec%2Fassem_arm.c;h=2b0ef9cc0a4768d7e1468d1feefb0eb5e0849ac6;hp=55eef842a51c00325f2fc9b8847c2d2b5eb73538;hb=ea3d2e6e638ffd02aee0be8bdd27d8a9babd179f;hpb=20d507ba0e7695190b32b3a06d8024e3ab81d158

diff --git a/libpcsxcore/new_dynarec/assem_arm.c b/libpcsxcore/new_dynarec/assem_arm.c
index 55eef842..2b0ef9cc 100644
--- a/libpcsxcore/new_dynarec/assem_arm.c
+++ b/libpcsxcore/new_dynarec/assem_arm.c
@@ -2739,6 +2739,18 @@ inline_readstub(int type, int i, u_int addr, signed char regmap[], int target, i
   emit_writeword(rs,(int)&address);
   //emit_pusha();
   save_regs(reglist);
+#ifndef PCSX
+  if((signed int)addr>=(signed int)0xC0000000) {
+    // Theoretically we can have a pagefault here, if the TLB has never
+    // been enabled and the address is outside the range 80000000..BFFFFFFF
+    // Write out the registers so the pagefault can be handled.  This is
+    // a very rare case and likely represents a bug.
+    int ds=regmap!=regs[i].regmap;
+    if(!ds) load_all_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty,i);
+    if(!ds) wb_dirtys(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty);
+    else wb_dirtys(branch_regs[i-1].regmap_entry,branch_regs[i-1].was32,branch_regs[i-1].wasdirty);
+  }
+#endif
   //emit_shrimm(rs,16,1);
   int cc=get_reg(regmap,CCREG);
   if(cc<0) {
@@ -2929,6 +2941,19 @@ inline_writestub(int type, int i, u_int addr, signed char regmap[], int target,
   }
   //emit_pusha();
   save_regs(reglist);
+#ifndef PCSX
+  // rearmed note: load_all_consts prevents BIOS boot, some bug?
+  if((signed int)addr>=(signed int)0xC0000000) {
+    // Theoretically we can have a pagefault here, if the TLB has never
+    // been enabled and the address is outside the range 80000000..BFFFFFFF
+    // Write out the registers so the pagefault can be handled.  This is
+    // a very rare case and likely represents a bug.
+    int ds=regmap!=regs[i].regmap;
+    if(!ds) load_all_consts(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty,i);
+    if(!ds) wb_dirtys(regs[i].regmap_entry,regs[i].was32,regs[i].wasdirty);
+    else wb_dirtys(branch_regs[i-1].regmap_entry,branch_regs[i-1].was32,branch_regs[i-1].wasdirty);
+  }
+#endif
   //emit_shrimm(rs,16,1);
   int cc=get_reg(regmap,CCREG);
   if(cc<0) {
@@ -3388,6 +3413,7 @@ void loadlr_assemble_arm(int i,struct regstat *i_regs)
     }
     map=get_reg(i_regs->regmap,TLREG);
     assert(map>=0);
+    reglist&=~(1<<map);
     map=do_tlb_r(addr,temp2,map,0,a,c?-1:temp,c,constmap[i][s]+offset);
     if(c) {
       if (opcode[i]==0x22||opcode[i]==0x26) {