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drc: fix page get code in linkage_arm.s
[pcsx_rearmed.git]
/
libpcsxcore
/
new_dynarec
/
assem_arm.c
diff --git
a/libpcsxcore/new_dynarec/assem_arm.c
b/libpcsxcore/new_dynarec/assem_arm.c
index
5ee226b
..
33ecf8e
100644
(file)
--- a/
libpcsxcore/new_dynarec/assem_arm.c
+++ b/
libpcsxcore/new_dynarec/assem_arm.c
@@
-186,11
+186,15
@@
void *kill_pointer(void *stub)
return i_ptr;
}
return i_ptr;
}
+// find where external branch is liked to using addr of it's stub:
+// get address that insn one after stub loads (dyna_linker arg1),
+// treat it as a pointer to branch insn,
+// return addr where that branch jumps to
int get_pointer(void *stub)
{
//printf("get_pointer(%x)\n",(int)stub);
int *ptr=(int *)(stub+4);
int get_pointer(void *stub)
{
//printf("get_pointer(%x)\n",(int)stub);
int *ptr=(int *)(stub+4);
- assert((*ptr&0x0ff
00000)==0x0590
0000);
+ assert((*ptr&0x0ff
f0000)==0x059f
0000);
u_int offset=*ptr&0xfff;
int **l_ptr=(void *)ptr+offset+8;
int *i_ptr=*l_ptr;
u_int offset=*ptr&0xfff;
int **l_ptr=(void *)ptr+offset+8;
int *i_ptr=*l_ptr;
@@
-4493,7
+4497,9
@@
void multdiv_assemble_arm(int i,struct regstat *i_regs)
assert(quotient>=0);
assert(remainder>=0);
emit_movs(d1,remainder);
assert(quotient>=0);
assert(remainder>=0);
emit_movs(d1,remainder);
- emit_negmi(remainder,remainder);
+ emit_movimm(0xffffffff,quotient);
+ emit_negmi(quotient,quotient); // .. quotient and ..
+ emit_negmi(remainder,remainder); // .. remainder for div0 case (will be negated back after jump)
emit_movs(d2,HOST_TEMPREG);
emit_jeq((int)out+52); // Division by zero
emit_negmi(HOST_TEMPREG,HOST_TEMPREG);
emit_movs(d2,HOST_TEMPREG);
emit_jeq((int)out+52); // Division by zero
emit_negmi(HOST_TEMPREG,HOST_TEMPREG);
@@
-4521,12
+4527,13
@@
void multdiv_assemble_arm(int i,struct regstat *i_regs)
signed char remainder=get_reg(i_regs->regmap,HIREG);
assert(quotient>=0);
assert(remainder>=0);
signed char remainder=get_reg(i_regs->regmap,HIREG);
assert(quotient>=0);
assert(remainder>=0);
+ emit_mov(d1,remainder);
+ emit_movimm(0xffffffff,quotient); // div0 case
emit_test(d2,d2);
emit_test(d2,d2);
- emit_jeq((int)out+4
4
); // Division by zero
+ emit_jeq((int)out+4
0
); // Division by zero
emit_clz(d2,HOST_TEMPREG);
emit_movimm(1<<31,quotient);
emit_shl(d2,HOST_TEMPREG,d2);
emit_clz(d2,HOST_TEMPREG);
emit_movimm(1<<31,quotient);
emit_shl(d2,HOST_TEMPREG,d2);
- emit_mov(d1,remainder);
emit_shr(quotient,HOST_TEMPREG,quotient);
emit_cmp(remainder,d2);
emit_subcs(remainder,d2,remainder);
emit_shr(quotient,HOST_TEMPREG,quotient);
emit_cmp(remainder,d2);
emit_subcs(remainder,d2,remainder);