diff options
Diffstat (limited to 'sim/h8300/compile.c')
| -rw-r--r-- | sim/h8300/compile.c | 77 |
1 files changed, 42 insertions, 35 deletions
diff --git a/sim/h8300/compile.c b/sim/h8300/compile.c index 8e4b55d..3d9e3c8 100644 --- a/sim/h8300/compile.c +++ b/sim/h8300/compile.c @@ -83,8 +83,9 @@ void sim_set_simcache_size PARAMS ((int)); #define HIGH_BYTE(x) (((x) >> 8) & 0xff) #define P(X,Y) ((X << 8) | Y) -#define BUILDSR() cpu.ccr = (I << 7) | (UI << 6)| (H<<5) | (U<<4) | \ - (N << 3) | (Z << 2) | (V<<1) | C; +#define BUILDSR() \ + cpu.ccr = ((I << 7) | (UI << 6) | (H << 5) | (U << 4) \ + | (N << 3) | (Z << 2) | (V << 1) | C); #define BUILDEXR() \ if (h8300smode) cpu.exr = (trace<<7) | intMask; @@ -99,17 +100,19 @@ void sim_set_simcache_size PARAMS ((int)); ui = ((cpu.ccr >> 6) & 1);\ intMaskBit = (cpu.ccr >> 7) & 1; -#define GETEXR() \ - if (h8300smode) { \ - trace = (cpu.exr >> 7) & 1;\ - intMask = cpu.exr & 7; } +#define GETEXR() \ + if (h8300smode) \ + { \ + trace = (cpu.exr >> 7) & 1; \ + intMask = cpu.exr & 7; \ + } #ifdef __CHAR_IS_SIGNED__ #define SEXTCHAR(x) ((char) (x)) #endif #ifndef SEXTCHAR -#define SEXTCHAR(x) ((x & 0x80) ? (x | ~0xff): x & 0xff) +#define SEXTCHAR(x) ((x & 0x80) ? (x | ~0xff) : x & 0xff) #endif #define UEXTCHAR(x) ((x) & 0xff) @@ -1022,15 +1025,15 @@ sim_resume (sd, step, siggnal) #define ALUOP(STORE, NAME, HOW) \ - case O (NAME,SB): HOW; if (STORE)goto alu8;else goto just_flags_alu8; \ - case O (NAME, SW): HOW; if (STORE)goto alu16;else goto just_flags_alu16; \ - case O (NAME,SL): HOW; if (STORE)goto alu32;else goto just_flags_alu32; + case O (NAME, SB): HOW; if (STORE) goto alu8; else goto just_flags_alu8; \ + case O (NAME, SW): HOW; if (STORE) goto alu16; else goto just_flags_alu16; \ + case O (NAME, SL): HOW; if (STORE) goto alu32; else goto just_flags_alu32; -#define LOGOP(NAME, HOW) \ - case O (NAME,SB): HOW; goto log8;\ - case O (NAME, SW): HOW; goto log16;\ - case O (NAME,SL): HOW; goto log32; +#define LOGOP(NAME, HOW) \ + case O (NAME, SB): HOW; goto log8; \ + case O (NAME, SW): HOW; goto log16; \ + case O (NAME, SL): HOW; goto log32; @@ -1140,32 +1143,36 @@ sim_resume (sd, step, siggnal) case O (O_EEPMOV, SB): case O (O_EEPMOV, SW): - if (h8300hmode||h8300smode) + if (h8300hmode || h8300smode) { - register unsigned char *_src,*_dst; - unsigned int count = (code->opcode == O(O_EEPMOV, SW))?cpu.regs[R4_REGNUM]&0xffff: - cpu.regs[R4_REGNUM]&0xff; - - _src = cpu.regs[R5_REGNUM] < memory_size ? cpu.memory+cpu.regs[R5_REGNUM] : - cpu.eightbit + (cpu.regs[R5_REGNUM] & 0xff); - if ((_src+count)>=(cpu.memory+memory_size)) + register unsigned char *_src, *_dst; + unsigned int count = ((code->opcode == O (O_EEPMOV, SW)) + ? cpu.regs[R4_REGNUM] & 0xffff + : cpu.regs[R4_REGNUM] & 0xff); + + _src = (cpu.regs[R5_REGNUM] < memory_size + ? cpu.memory + cpu.regs[R5_REGNUM] + : cpu.eightbit + (cpu.regs[R5_REGNUM] & 0xff)); + if ((_src + count) >= (cpu.memory + memory_size)) { - if ((_src+count)>=(cpu.eightbit+0x100)) + if ((_src + count) >= (cpu.eightbit + 0x100)) goto illegal; } - _dst = cpu.regs[R6_REGNUM] < memory_size ? cpu.memory+cpu.regs[R6_REGNUM] : - cpu.eightbit + (cpu.regs[R6_REGNUM] & 0xff); - if ((_dst+count)>=(cpu.memory+memory_size)) + _dst = (cpu.regs[R6_REGNUM] < memory_size + ? cpu.memory + cpu.regs[R6_REGNUM] + : cpu.eightbit + (cpu.regs[R6_REGNUM] & 0xff)); + if ((_dst + count) >= (cpu.memory + memory_size)) { - if ((_dst+count)>=(cpu.eightbit+0x100)) + if ((_dst + count) >= (cpu.eightbit + 0x100)) goto illegal; } - memcpy(_dst,_src,count); + memcpy (_dst, _src, count); - cpu.regs[R5_REGNUM]+=count; - cpu.regs[R6_REGNUM]+=count; - cpu.regs[R4_REGNUM]&=(code->opcode == O(O_EEPMOV, SW))?(~0xffff):(~0xff); - cycles += 2*count; + cpu.regs[R5_REGNUM] += count; + cpu.regs[R6_REGNUM] += count; + cpu.regs[R4_REGNUM] &= ((code->opcode == O (O_EEPMOV, SW)) + ? (~0xffff) : (~0xff)); + cycles += 2 * count; goto next; } goto illegal; @@ -1548,7 +1555,7 @@ sim_resume (sd, step, siggnal) goto illegal; } res = fetch (&code->src); - store (&code->src,res|0x80); + store (&code->src, res | 0x80); goto just_flags_log8; case O (O_DIVU, SB): @@ -1673,7 +1680,7 @@ sim_resume (sd, step, siggnal) goto next; default: - illegal: + illegal: cpu.state = SIM_STATE_STOPPED; cpu.exception = SIGILL; goto end; @@ -1995,7 +2002,7 @@ sim_fetch_register (sd, rn, buf, length) init_pointers (); - if (!h8300smode && rn >=EXR_REGNUM) + if (!h8300smode && rn >= EXR_REGNUM) rn++; switch (rn) { |