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kernel: implementing mapping and execution of bsp executable

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This commit is contained in:
max 🍓
2026-02-08 13:12:48 +00:00
parent 1c74291b99
commit 409725f9d4
3 changed files with 237 additions and 4 deletions
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44
init/main.c
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@@ -1,6 +1,8 @@
#include <mango/arg.h>
#include <mango/bsp.h>
#include <mango/clock.h>
#include <mango/cpu.h>
#include <mango/handle.h>
#include <mango/init.h>
#include <mango/input.h>
#include <mango/libc/stdio.h>
@@ -10,6 +12,7 @@
#include <mango/printk.h>
#include <mango/sched.h>
#include <mango/test.h>
#include <mango/vm-object.h>
#include <stdint.h>
extern unsigned long get_rflags(void);
@@ -23,14 +26,16 @@ void print_kernel_banner(void)
static void hang(void)
{
struct task *self = current_task();
struct thread *thread = current_thread();
// struct task *self = current_task();
// struct thread *thread = current_thread();
while (1) {
#if 0
printk("[cpu %u, task %u, thread %u]: tick",
this_cpu(),
self->t_id,
thread->tr_id);
#endif
milli_sleep(2000);
}
}
@@ -67,9 +72,40 @@ void kernel_init(uintptr_t arg)
{
ml_init(arg);
printk("kernel_init() running on processor %u", this_cpu());
struct boot_module bsp_image = {0};
bsp_get_location(&bsp_image);
create_kernel_thread(background_thread);
tracek("kernel_init() running on processor %u", this_cpu());
if (!bsp_image.mod_base) {
printk("FATAL: no bsp image specified");
hang();
}
tracek("bsp image at [0x%llx-0x%llx]",
bsp_image.mod_base,
bsp_image.mod_base + bsp_image.mod_size);
struct bsp bsp;
kern_status_t status = bsp_load(&bsp, &bsp_image);
if (status != KERN_OK) {
printk("FATAL: bsp image is corrupt/invalid");
hang();
}
tracek("bsp image loaded. text=[%06llx-%06llx], data=[%06llx-%06llx], "
"entry=%06llx, vmo=%p",
bsp.bsp_trailer.bsp_text_vaddr,
bsp.bsp_trailer.bsp_text_size + bsp.bsp_trailer.bsp_text_vaddr,
bsp.bsp_trailer.bsp_data_vaddr,
bsp.bsp_trailer.bsp_data_size + bsp.bsp_trailer.bsp_data_vaddr,
bsp.bsp_trailer.bsp_exec_entry,
bsp.bsp_vmo);
struct task *bootstrap_task = task_create(kernel_task(), "bootstrap");
tracek("created bootstrap task (pid=%u)", bootstrap_task->t_id);
bsp_launch_async(&bsp, bootstrap_task);
hang();
}