46 lines
970 B
C
46 lines
970 B
C
#include <stddef.h>
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#include <shell.h>
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#include <uart.h>
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// extern uint64_t __kernel;
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uint64_t __kernel = 0x80000;
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typedef void (*main_func_t)(void *);
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void main(void *dtb)
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{
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uart_init();
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uart_puts("waiting for kernel to be sent ..." ENDL);
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union {
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int32_t size;
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uint8_t buf[4];
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} kernel_header;
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kernel_header.size = 0;
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for (int i = 0; i < (int)sizeof(kernel_header); ++i)
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kernel_header.buf[i] = uart_getb();
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uart_puts("received kernel size: ");
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uart_int(kernel_header.size);
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uart_puts(ENDL);
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uart_puts("loaded addr: ");
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uart_hex((unsigned int)(unsigned long)main);
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uart_puts(ENDL);
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uart_puts("dtb addr: ");
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uart_hex((unsigned int)(unsigned long)dtb);
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uart_puts(ENDL);
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uint8_t *kernel = (void *)__kernel;
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uart_puts("kernel addr: ");
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uart_hex((unsigned int)(unsigned long)kernel);
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uart_puts("$" ENDL);
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for (int i = 0; i < kernel_header.size; ++i)
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kernel[i] = uart_getb();
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((main_func_t)kernel)(dtb);
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}
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