forked from Imagelibrary/rtems
65 lines
1.2 KiB
C
65 lines
1.2 KiB
C
#include <bsp/bootcard.h>
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#include <bsp/linker-symbols.h>
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static void
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__outb(int port, unsigned char v)
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{
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*((volatile unsigned char *)(0x80000000 + port)) = v;
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}
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#if 0
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/* currently unused but keep just in case */
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static unsigned char
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__inb(int port)
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{
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return *((volatile unsigned char *)(0x80000000 + port));
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}
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#endif
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static void
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__memcpy (void *dv, void *sv, size_t len)
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{
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unsigned char *d = (unsigned char *) dv;
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unsigned char *s = (unsigned char *) sv;
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while (len--)
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*d++ = *s++;
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}
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static void
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__bzero (void *dv, size_t len)
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{
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unsigned char *d = (unsigned char *) dv;
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while (len--)
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*d++ = 0;
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}
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/*
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* Prototype this here because it is just the entry symbol and
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* not referenced from any compileable code.
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*/
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void cmain (void);
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void cmain (void)
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{
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/*
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* init variable sections
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*/
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__memcpy(
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(char *)bsp_section_data_begin,
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(char *) bsp_section_data_load_begin,
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(int)bsp_section_data_size
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);
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__bzero((char *)bsp_section_bss_begin, (int)bsp_section_bss_size);
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__bzero((char *)bsp_section_sbss_begin, (int)bsp_section_sbss_size);
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/* printk( "start of BSP\n"); */
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boot_card(0);
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/* printk( "end of BSP\n"); */
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__outb (0x92, 0x01);
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while (1)
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;
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}
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