diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/core/arm/interpreter/armemu.cpp | 55 | ||||
| -rw-r--r-- | src/core/arm/interpreter/armsupp.cpp | 5 | ||||
| -rw-r--r-- | src/core/arm/skyeye_common/armdefs.h | 2 | ||||
| -rw-r--r-- | src/core/arm/skyeye_common/armemu.h | 7 |
4 files changed, 54 insertions, 15 deletions
diff --git a/src/core/arm/interpreter/armemu.cpp b/src/core/arm/interpreter/armemu.cpp index 610e04f10..d19d3a49f 100644 --- a/src/core/arm/interpreter/armemu.cpp +++ b/src/core/arm/interpreter/armemu.cpp @@ -5877,6 +5877,8 @@ L_stm_s_takeabort: state->Cpsr &= ~(1 << 18); state->Cpsr &= ~(1 << 19); } + + ARMul_CPSRAltered(state); return 1; } // SADD8/SSUB8 @@ -5948,6 +5950,7 @@ L_stm_s_takeabort: state->Cpsr &= ~(1 << 19); } + ARMul_CPSRAltered(state); state->Reg[rd_idx] = (lo_val1 | lo_val2 << 8 | hi_val1 << 16 | hi_val2 << 24); return 1; } @@ -6024,15 +6027,33 @@ L_stm_s_takeabort: if ((instr & 0x0F0) == 0x070) { // USUB16 h1 = ((u16)from - (u16)to); h2 = ((u16)(from >> 16) - (u16)(to >> 16)); - if (!(h1 & 0xffff0000)) state->Cpsr |= (3 << 16); - if (!(h2 & 0xffff0000)) state->Cpsr |= (3 << 18); + + if (!(h1 & 0xffff0000)) + state->Cpsr |= (3 << 16); + else + state->Cpsr &= ~(3 << 16); + + if (!(h2 & 0xffff0000)) + state->Cpsr |= (3 << 18); + else + state->Cpsr &= ~(3 << 18); } else { // UADD16 h1 = ((u16)from + (u16)to); h2 = ((u16)(from >> 16) + (u16)(to >> 16)); - if (h1 & 0xffff0000) state->Cpsr |= (3 << 16); - if (h2 & 0xffff0000) state->Cpsr |= (3 << 18); + + if (h1 & 0xffff0000) + state->Cpsr |= (3 << 16); + else + state->Cpsr &= ~(3 << 16); + + if (h2 & 0xffff0000) + state->Cpsr |= (3 << 18); + else + state->Cpsr &= ~(3 << 18); } + + ARMul_CPSRAltered(state); state->Reg[rd] = (u32)((h1 & 0xffff) | ((h2 & 0xffff) << 16)); return 1; } @@ -6045,10 +6066,26 @@ L_stm_s_takeabort: b2 = ((u8)(from >> 8) - (u8)(to >> 8)); b3 = ((u8)(from >> 16) - (u8)(to >> 16)); b4 = ((u8)(from >> 24) - (u8)(to >> 24)); - if (!(b1 & 0xffffff00)) state->Cpsr |= (1 << 16); - if (!(b2 & 0xffffff00)) state->Cpsr |= (1 << 17); - if (!(b3 & 0xffffff00)) state->Cpsr |= (1 << 18); - if (!(b4 & 0xffffff00)) state->Cpsr |= (1 << 19); + + if (!(b1 & 0xffffff00)) + state->Cpsr |= (1 << 16); + else + state->Cpsr &= ~(1 << 16); + + if (!(b2 & 0xffffff00)) + state->Cpsr |= (1 << 17); + else + state->Cpsr &= ~(1 << 17); + + if (!(b3 & 0xffffff00)) + state->Cpsr |= (1 << 18); + else + state->Cpsr &= ~(1 << 18); + + if (!(b4 & 0xffffff00)) + state->Cpsr |= (1 << 19); + else + state->Cpsr &= ~(1 << 19); } else { // UADD8 b1 = ((u8)from + (u8)to); @@ -6071,13 +6108,13 @@ L_stm_s_takeabort: else state->Cpsr &= ~(1 << 18); - if (b4 & 0xffffff00) state->Cpsr |= (1 << 19); else state->Cpsr &= ~(1 << 19); } + ARMul_CPSRAltered(state); state->Reg[rd] = (u32)(b1 | (b2 & 0xff) << 8 | (b3 & 0xff) << 16 | (b4 & 0xff) << 24); return 1; } diff --git a/src/core/arm/interpreter/armsupp.cpp b/src/core/arm/interpreter/armsupp.cpp index 30519f216..b31c0ea24 100644 --- a/src/core/arm/interpreter/armsupp.cpp +++ b/src/core/arm/interpreter/armsupp.cpp @@ -227,8 +227,9 @@ ARMul_CPSRAltered (ARMul_State * state) //state->Cpsr &= ~CBIT; ASSIGNV ((state->Cpsr & VBIT) != 0); //state->Cpsr &= ~VBIT; - ASSIGNS ((state->Cpsr & SBIT) != 0); - //state->Cpsr &= ~SBIT; + ASSIGNQ ((state->Cpsr & QBIT) != 0); + //state->Cpsr &= ~QBIT; + state->GEFlag = (state->Cpsr & 0x000F0000); #ifdef MODET ASSIGNT ((state->Cpsr & TBIT) != 0); //state->Cpsr &= ~TBIT; diff --git a/src/core/arm/skyeye_common/armdefs.h b/src/core/arm/skyeye_common/armdefs.h index 28a4a0db4..34eb5aaf7 100644 --- a/src/core/arm/skyeye_common/armdefs.h +++ b/src/core/arm/skyeye_common/armdefs.h @@ -198,7 +198,7 @@ struct ARMul_State //ARMword translate_pc; /* add armv6 flags dyf:2010-08-09 */ - ARMword GEFlag, EFlag, AFlag, QFlags; + ARMword GEFlag, EFlag, AFlag, QFlag; //chy:2003-08-19, used in arm v5e|xscale ARMword SFlag; #ifdef MODET diff --git a/src/core/arm/skyeye_common/armemu.h b/src/core/arm/skyeye_common/armemu.h index 7f7c0e682..e1b286f0f 100644 --- a/src/core/arm/skyeye_common/armemu.h +++ b/src/core/arm/skyeye_common/armemu.h @@ -34,7 +34,7 @@ #define ZBIT (1L << 30) #define CBIT (1L << 29) #define VBIT (1L << 28) -#define SBIT (1L << 27) +#define QBIT (1L << 27) #define IBIT (1L << 7) #define FBIT (1L << 6) #define IFBITS (3L << 6) @@ -156,13 +156,14 @@ #define R15PCMODE (state->Reg[15] & (R15PCBITS | R15MODEBITS)) #define R15MODE (state->Reg[15] & R15MODEBITS) -#define ECC ((NFLAG << 31) | (ZFLAG << 30) | (CFLAG << 29) | (VFLAG << 28) | (SFLAG << 27)) +#define ECC ((NFLAG << 31) | (ZFLAG << 30) | (CFLAG << 29) | (VFLAG << 28) | (QFLAG << 27)) #define EINT (IFFLAGS << 6) #define ER15INT (IFFLAGS << 26) #define EMODE (state->Mode) +#define EGEBITS (state->GEFlag & 0x000F0000) #ifdef MODET -#define CPSR (ECC | EINT | EMODE | (TFLAG << 5)) +#define CPSR (ECC | EGEBITS | (EFLAG << 9) | (AFLAG << 8) | EINT | (TFLAG << 5) | EMODE) #else #define CPSR (ECC | EINT | EMODE) #endif |