/*
* This is called from locore.s just after the kernel is remapped
* to its proper address, but before the call to main(). The work
* done here corresponds to various things done in locore.s on the
* hp300 port (and other m68k) but which we prefer to do in C code.
* Also do setup specific to the Sun PROM monitor and IDPROM here.
*/
void
_bootstrap(void)
{
extern struct consdev consdev_prom; /* XXX */
/* First, Clear BSS. */
memset(edata, 0, end - edata);
/* Set v_handler, get boothowto. */
sunmon_init();
/*
* Initialize console to point to the PROM (output only) table
* for early printf calls.
*/
cn_tab = &consdev_prom;
/* Handle kernel mapping, pmap_bootstrap(), etc. */
_vm_init();
/*
* Find and save OBIO mappings needed early,
* and call some init functions.
*/
obio_init();
/*
* Point interrupts/exceptions to our vector table.
* (Until now, we use the one setup by the PROM.)
*
* This is done after obio_init() / intreg_init() finds
* the interrupt register and disables the NMI clock so
* it will not cause "spurrious level 7" complaints.
* Done after _vm_init so the PROM can debug that.
*/
setvbr((void **)vector_table);
/* Interrupts are enabled later, after autoconfig. */
/*
* Find the IDPROM and copy it to memory.
* Needs obio_init and setvbr earlier.
*/
idprom_init();
/*
* Turn on the LEDs so we know power is on.
* Needs idprom_init and obio_init earlier.
*/
leds_init();
}
/*
* This is called from locore.s just after the kernel is remapped
* to its proper address, but before the call to main(). The work
* done here corresponds to various things done in locore.s on the
* hp300 port (and other m68k) but which we prefer to do in C code.
* Also do setup specific to the Sun PROM monitor and IDPROM here.
*/
void
_bootstrap(void)
{
vaddr_t va;
/* First, Clear BSS. */
memset(edata, 0, end - edata);
/* Initialize the PROM. */
prom_init();
/* Copy the IDPROM from control space. */
idprom_init();
/* Validate the Sun2 model (from IDPROM). */
_verify_hardware();
/* Handle kernel mapping, pmap_bootstrap(), etc. */
_vm_init();
/*
* Point interrupts/exceptions to our vector table.
* (Until now, we use the one setup by the PROM.)
*/
setvbr((void **)vector_table);
/* Interrupts are enabled later, after autoconfig. */
/*
* Now unmap the PROM's physical/virtual pages zero through three.
*/
for(va = 0; va < PAGE_SIZE * 4; va += PAGE_SIZE)
set_pte(va, PG_INVAL);
/*
* Turn on the LEDs so we know power is on.
* Needs idprom_init and obio_init earlier.
*/
leds_init();
}
