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[/] [plasma/] [trunk/] [tools/] [test.c] - Diff between revs 7 and 21

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Rev 7	Rev 21
Line 19...	Line 19...
`-- to Big Endian, and convert absolute jumps into relative jumps,`	`-- to Big Endian, and convert absolute jumps into relative jumps,`
`-- and save the opcodes in "code.txt".`	`-- and save the opcodes in "code.txt".`
`--`	`--`
`-- The interrupt vector is set to address 0x30.`	`-- The interrupt vector is set to address 0x30.`
`--------------------------------------------------------------------*/`	`--------------------------------------------------------------------*/`
`#ifdef SIMULATE`	`#ifdef MIPS`
`#undef putchar`	`#undef putchar`
`// The MIPS CPU VHDL supports a virtual UART. All character writes`	`// The MIPS CPU VHDL supports a virtual UART. All character writes`
`// to address 0xffff will be stored in the file "output.txt".`	`// to address 0xffff will be stored in the file "output.txt".`
`#define putchar(C) (volatile unsigned char)0xffff=(unsigned char)(C)`	`#define putchar(C) (volatile unsigned char)0xffff=(unsigned char)(C)`
`#endif`	`#endif`

`//The main entry point must be the first function`
`//The program convert will change the first opcode to setting`
`//the stack pointer.`
`int main()`
`{`
`int main2();`
`#ifdef MIPS`
`__asm(".set noreorder");`
`//The convertion tool will add two opcodes here`
`__asm("ori $4,$0,0x1");`
`__asm("mtc0 $4,$12"); //STATUS=1; enable interrupts`
`__asm(".set reorder");`
`#endif`

`main2();`

`#ifdef MIPS`
`__asm(".set noreorder");`
`__asm("nop");`

`/address 0x20 used for storing ISR register values/`
`__asm("nop");`
`__asm("nop");`
`__asm("nop");`
`__asm("nop");`
`__asm("nop");`

`/address 0x30 interrupt service routine/`
`__asm("sw $4,0x20($0)");`
`__asm("sw $5,0x24($0)");`

`__asm("ori $5,$0,0xffff");`
`__asm("ori $4,$0,46");`
`// __asm("sb $4,0($5)"); /echo out '.'/`
`__asm("nop");`

`/normally clear the interrupt source here/`
`/re-enable interrupts/`
`__asm("ori $4,$0,0x1");`
`__asm("mtc0 $4,$12"); //STATUS=1; enable interrupts`
`__asm("mfc0 $4, $14"); //C0_EPC=14`
`__asm("nop");`
`__asm("lw $5,0x24($0)");`
`__asm("j $4");`
`__asm("lw $4,0x20($0)");`
`__asm(".set reorder");`
`#endif`
`}`

`char strcpy2(char s, const char *t)`	`char strcpy2(char s, const char *t)`
`{`	`{`
`char *tmp=s;`	`char *tmp=s;`
`while((int)(s++=t++));`	`while((int)(s++=t++));`
`return(tmp);`	`return(tmp);`
Line 87...	Line 38...
`static void itoa2(long n, char s, int base, long digits)`	`static void itoa2(long n, char s, int base, long digits)`
`{`	`{`
`long i,j,sign;`	`long i,j,sign;`
`unsigned long n2;`	`unsigned long n2;`
`char number[20];`	`char number[20];`
`for(i=0;i<15;++i) number[i]=' ';`	`for(i=0;i<15;++i) {`
	`number[i]=' ';`
	`}`
`number[15]=0;`	`number[15]=0;`
`if(n>=0\|\|base!=10) sign=1;`	`if(n>=0\|\|base!=10) {`
`else sign=-1;`	`sign=1;`
	`} else {`
	`sign=-1;`
	`}`
`n2=n*sign;`	`n2=n*sign;`
`for(j=14;j>=0;--j) {`	`for(j=14;j>=0;--j) {`
`i=n2%base;`	`i=n2%base;`
`n2/=base;`	`n2/=base;`
`number[j]=i<10?'0'+i:'a'+i-10;`	`number[j]=i<10?'0'+i:'a'+i-10;`
Line 132...	Line 88...
`if(j<10) putchar('0'+j);`	`if(j<10) putchar('0'+j);`
`else putchar('a'-10+j);`	`else putchar('a'-10+j);`
`}`	`}`
`}`	`}`

	`void print_string(char *p)`
	`{`
	`int i;`
	`for(i=0;i<50;++i) {`
	`if(p[i]==0) break;`
	`putchar(p[i]);`
	`}`
	`}`

`int prime()`	`int prime()`
`{`	`{`
`int i,j,k;`	`int i,j,k;`
`//show all prime numbers less than 1000`	`//show all prime numbers less than 1000`
`for(i=3;i<1000;i+=2) {`	`for(i=3;i<1000;i+=2) {`
Line 157...	Line 122...
`int main2()`	`int main2()`
`{`	`{`
`long i,j,k;`	`long i,j,k;`
`unsigned long m;`	`unsigned long m;`
`char char_buf[16];`	`char char_buf[16];`
	`char buf2[16];`
`short short_buf[16];`	`short short_buf[16];`
`long long_buf[16];`	`long long_buf[16];`

`#if 1`	`#if 1`
`//test shift`	`//test shift`

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[/] [plasma/] [trunk/] [tools/] [test.c] - Diff between revs 7 and 21