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uncompress.h
Package: linux-2.4.20.tar.gz　[view]
Upload User: jlfgdled
Upload Date: 2013-04-10
Package Size: 33168k
Code Size: 1k
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Linux-Unix program

Development Platform:

Unix_Linux

uncompress.h：Code Content
  1. /*
  2.  * linux/include/asm-arm/arch-l7200/uncompress.h
  3.  *
  4.  * Copyright (C) 2000 Steve Hill (sjhill@cotw.com)
  5.  *
  6.  * Changelog:
  7.  *  05-01-2000 SJH Created
  8.  *  05-13-2000 SJH Filled in function bodies
  9.  *  07-26-2000 SJH Removed hard coded buad rate
  10.  */
  12. #include <asm/hardware.h>
  14. #define IO_UART  IO_START + 0x00044000
  16. #define __raw_writeb(v,p) (*(volatile unsigned char *)(p) = (v))
  17. #define __raw_readb(p) (*(volatile unsigned char *)(p))
  19. static __inline__ void putc(char c)
  20. {
  21. while(__raw_readb(IO_UART + 0x18) & 0x20 ||
  22.       __raw_readb(IO_UART + 0x18) & 0x08)
  23. barrier();
  24. __raw_writeb(c, IO_UART + 0x00);
  25. }
  27. static void puts(const char *s)
  28. {
  29. while (*s) {
  30. if (*s == 10) { /* If a LF, add CR */
  31. putc(10);
  32. putc(13);
  33. }
  34. putc(*(s++));
  35. }
  36. }
  38. static __inline__ void arch_decomp_setup(void)
  39. {
  40. __raw_writeb(0x00, IO_UART + 0x08); /* Set HSB */
  41. __raw_writeb(0x00, IO_UART + 0x20); /* Disable IRQs */
  42. __raw_writeb(0x01, IO_UART + 0x14); /* Enable UART */
  43. }
  45. #define arch_decomp_wdog()