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#include "uart.h"
#include "io.h"
#include "demo_functionality.h"
#include "paging.h"
#include "atags.h"
void setup(uint32_t r0, uint32_t machine_type,
struct atag_header *atags)
{
uart_init();
// When we attach screen session after loading kernel with socat
// we miss kernel's greeting... So we'll make the kernel wait for
// one char we're going to send from within screen
//getchar();
puts("Hello, kernel World!");
prints("ARM machine type: 0x"); printhext(machine_type); puts("");
// value 3 introduced by stage1 code means no atags was found
if (r0 == 3)
puts("No ATAGS was found!");
else
{
prints("ATAGS copied to 0x");
printhex((uint32_t) atags); puts("");
puts("__ ATAGS contents __");
print_atags(atags);
puts("__ end of ATAGS contents __");
}
// prints some info
demo_paging_support();
// prints some info
demo_current_mode();
// prints some info and sets upp translation table, turns on MMU
setup_flat_map();
// prints some info and sets up a section for PL0 code,
// loads a blob there
demo_setup_PL0();
// jumps to unprivileged code... never, ever, ever returns
demo_go_unprivileged();
while (1)
{
char c = getchar();
if (c == '\r')
putchar('\n');
putchar(c);
}
}
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