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#include <apos/debug.h>
#include <apos/init.h>
#include <apos/vmem.h>
#include <apos/mem.h>
#include <apos/lock.h>
#ifdef DEBUG
static void kernel_dbg(void *fdt)
{
struct dbg_info_t dbg = dbg_from_fdt(fdt);
map_vmem(ROOT_PTE, (pm_t)dbg.dbg_ptr, (vm_t)dbg.dbg_ptr,
VM_R | VM_W | VM_V, MM_KPAGE);
dbg_init(dbg.dbg_ptr, dbg.dev);
}
#else
#define kernel_dbg(...)
#endif
static void map_fdt(struct vm_branch_t *branch, vm_t fdt_base, vm_t fdt_top)
{
/* TODO: fix this shit */
map_vregion(branch, fdt_base, fdt_base, fdt_top - fdt_base, VM_R | VM_W |VM_V);
}
void __main main(struct init_data_t d)
{
init_pmap((void *)d.pmap_base);
init_mem(d.max_order, d.bits, d.page_shift);
init_vmem(ROOT_PTE, d.tmp_pte);
/* TODO: move pmap into vmem somewhere */
/* TODO: mark kernel area as used */
map_fdt(ROOT_PTE, d.fdt_base, d.fdt_top);
kernel_dbg((void *)d.fdt_base);
dbg("test\n");
/* TODO: approximate order of business:
* setup debugging in vmem (requires mapping fdt)
* free unnecessary init
* setup interrupts (should this be done in init?)
* load init from initrd
* setup init environment (thread control blocks etc.)
* jumpstart init (free stack init setup)
*/
/* functionality that should be implemented:
* figure out best continuous run of memory (pmap etc)
* arbitrary user and kernel mapping (memory)
* vm to pm
*/
}
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