diff options
Diffstat (limited to 'arch/riscv/kernel')
| -rw-r--r-- | arch/riscv/kernel/main.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/riscv/kernel/main.c b/arch/riscv/kernel/main.c index c8eca26..d4fa7b8 100644 --- a/arch/riscv/kernel/main.c +++ b/arch/riscv/kernel/main.c @@ -1,9 +1,37 @@ #include <apos/debug.h> #include <apos/init.h> #include <apos/vmem.h> +#include <apos/mem.h> + +#ifdef DEBUG + +static void kernel_dbg(void *fdt) +{ + struct dbg_info_t dbg = dbg_from_fdt(fdt); + 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) +{ + map_vregion(branch, fdt_base, 0, fdt_top - fdt_base, VM_R | VM_W |VM_V); +} void __main main(struct init_data_t d) { + /* feck */ + dbg_init(0x10000000, NS16550A); + dbg("test\n"); + 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); /* TODO: approximate order of business: * setup debugging in vmem (requires mapping fdt) * free unnecessary init |