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[/] [test_project/] [trunk/] [sw/] [support/] [support.c] - Diff between revs 33 and 52

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Rev 33	Rev 52
Line 6...	Line 6...

`#include "spr_defs.h"`	`#include "spr_defs.h"`
`#include "support.h"`	`#include "support.h"`
`#include "int.h"`	`#include "int.h"`

	`#ifdef UART_PRINTF`
	`//#include "snprintf.h"`
	`#include "vfnprintf.h"`
	`#include "uart.h"`
	`#endif`

`#if OR32`	`#if OR32`
`void excpt_dummy();`	`void excpt_dummy();`
`void int_main();`	`void int_main();`

`unsigned long excpt_buserr = (unsigned long) excpt_dummy;`	`unsigned long excpt_buserr = (unsigned long) excpt_dummy;`
Line 29...	Line 35...

`/* Start function, called by reset exception handler. */`	`/* Start function, called by reset exception handler. */`
`void reset ()`	`void reset ()`
`{`	`{`
`int i = main();`	`int i = main();`
`exit (i);`	`or32_exit (i);`
`}`	`}`

`/* return value by making a syscall */`	`/* return value by making a syscall */`
`void exit (int i)`	`void or32_exit (int i)`
`{`	`{`
`asm("l.add r3,r0,%0": : "r" (i));`	`asm("l.add r3,r0,%0": : "r" (i));`
`asm("l.nop %0": :"K" (NOP_EXIT));`	`asm("l.nop %0": :"K" (NOP_EXIT));`
`while (1);`	`while (1);`
`}`	`}`

	`#ifdef UART_PRINTF`

	`static int uart_init_done = 0;`

	`#define PRINTFBUFFER_SIZE 512`
	`char PRINTFBUFFER[PRINTFBUFFER_SIZE]; // Declare a global printf buffer`

	`void printf(const char *fmt, ...)`
	`{`
	`// init uart if not done already`
	`if (!uart_init_done)`
	`{`
	`uart_init();`
	`uart_init_done = 1;`
	`}`

	`va_list args;`
	`va_start(args, fmt);`

	`//int str_l = vsnprintf(PRINTFBUFFER, PRINTFBUFFER_SIZE, fmt, args);`
	`int str_l = vfnprintf(PRINTFBUFFER, PRINTFBUFFER_SIZE, fmt, args);`

	`if (!str_l) return; // no length string - just return`

	`int c=0;`
	`// now print each char via the UART`
	`while (c < str_l)`
	`uart_putc(PRINTFBUFFER[c++]);`

	`va_end(args);`

	`}`

	`#else`
`/* activate printf support in simulator */`	`/* activate printf support in simulator */`
`void printf(const char *fmt, ...)`	`void printf(const char *fmt, ...)`
`{`	`{`
`va_list args;`	`va_list args;`
`va_start(args, fmt);`	`va_start(args, fmt);`
`__asm__ __volatile__ (" l.addi\tr3,%1,0\n \`	`__asm__ __volatile__ (" l.addi\tr3,%1,0\n \`
`l.addi\tr4,%2,0\n \`	`l.addi\tr4,%2,0\n \`
`l.nop %0": :"K" (NOP_PRINTF), "r" (fmt), "r" (args));`	`l.nop %0": :"K" (NOP_PRINTF), "r" (fmt), "r" (args));`
`}`	`}`

	`/*`
	`void memcpy (void __restrict dstvoid,`
	`__const void *__restrict srcvoid, size_t length)`
	`{`
	`char *dst = dstvoid;`
	`const char src = (const char ) srcvoid;`

	`while (length--)`
	`dst++ = src++;`
	`return dst;`
	`}`
	`*/`
	`#endif`





`/* print long */`	`/* print long */`
`void report(unsigned long value)`	`void report(unsigned long value)`
`{`	`{`
`asm("l.addi\tr3,%0,0": :"r" (value));`	`asm("l.addi\tr3,%0,0": :"r" (value));`
`asm("l.nop %0": :"K" (NOP_REPORT));`	`asm("l.nop %0": :"K" (NOP_REPORT));`
Line 118...	Line 176...
`return(tv.tv_sec*1000000+tv.tv_usec);`	`return(tv.tv_sec*1000000+tv.tv_usec);`
`}`	`}`

`#endif`	`#endif`

`void memcpy (void __restrict dstvoid,`
`__const void *__restrict srcvoid, size_t length)`
`{`
`char *dst = dstvoid;`
`const char src = (const char ) srcvoid;`

`while (length--)`
`dst++ = src++;`
`return dst;`
`}`

`void excpt_dummy() {}`	`void excpt_dummy() {}`

`No newline at end of file`	`No newline at end of file`

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[/] [test_project/] [trunk/] [sw/] [support/] [support.c] - Diff between revs 33 and 52