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naomi: 32MB-aware block lookups from arm-jit

This commit is contained in:
Stefanos Kornilios Mitsis Poiitidis 2015-08-10 05:27:02 +02:00
parent 0c0008d17b
commit bfbb01d470
2 changed files with 34 additions and 8 deletions
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5
core/rec-ARM/ngen_arm.S
View File

@ -173,8 +173,13 @@ do_iter:
HIDDEN(no_update)
CSYM(no_update): @ next_pc _MUST_ be on r4 *R4 NOT R0 anymore*
#if RAM_SIZE == 33554432
sub r2,r8,#67371008
ubfx r1,r4,#1,#24
#else
sub r2,r8,#33816576
ubfx r1,r4,#1,#23
#endif
ldr pc,[r2,r1,lsl #2]
@bic r1,r4,#0xFF000000

37
core/rec-ARM/rec_arm.cpp
View File

@ -408,8 +408,14 @@ u32 DynaRBI::Relink()
case BET_DynamicJump:
{
#ifdef CALLSTACK
SUB(r2,r8,33816576);
UBFX(r1,r4,1,23);
#error offset broken
#if RAM_SIZE == 33554432
SUB(r2, r8, 67371008);
UBFX(r1, r4, 1, 24);
#else
SUB(r2, r8, 33816576);
UBFX(r1, r4, 1, 23);
#endif
if (BlockType==BET_DynamicRet)
{
@ -431,8 +437,13 @@ u32 DynaRBI::Relink()
#if 1
//this is faster
//why ? (Icache ?)
SUB(r2,r8,33816576);
UBFX(r1,r4,1,23);
#if RAM_SIZE == 33554432
SUB(r2, r8, 67371008);
UBFX(r1, r4, 1, 24);
#else
SUB(r2, r8, 33816576);
UBFX(r1, r4, 1, 23);
#endif
LDR(r15,r2,r1,Offset,true,S_LSL,2);
#else
@ -445,8 +456,13 @@ u32 DynaRBI::Relink()
}
else
{
SUB(r2,r8,33816576); //1
UBFX(r1,r4,1,23); //1
#if RAM_SIZE == 33554432
SUB(r2, r8, 67371008);
UBFX(r1, r4, 1, 24);
#else
SUB(r2, r8, 33816576);
UBFX(r1, r4, 1, 23);
#endif
NOP();NOP(); //2
LDR(r15,r2,r1,Offset,true,S_LSL,2); //1
}
@ -456,8 +472,13 @@ u32 DynaRBI::Relink()
{
verify(pBranchBlock==0);
SUB(r2,r8,33816576);
UBFX(r1,r4,1,23);
#if RAM_SIZE == 33554432
SUB(r2, r8, 67371008);
UBFX(r1, r4, 1, 24);
#else
SUB(r2, r8, 33816576);
UBFX(r1, r4, 1, 23);
#endif
LDR(r15,r2,r1,Offset,true,S_LSL,2);
}
#endif