lby/mkrtos-real
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

设备树支持&多块内存初步支持

Browse Source
This commit is contained in:
zhangzheng
2024-10-07 16:49:32 +08:00
parent 037aaf6adc
commit cc25bcdf65
112 changed files with 8414 additions and 961 deletions
Download Patch File Download Diff File Expand all files Collapse all files

46
mkrtos_knl/knl/sys.c
View File

@@ -22,17 +22,20 @@
#include <vma.h>
#endif
#include <cpio.h>
#include <boot_info.h>
#include <globals.h>
#include <task.h>
#include <thread.h>
typedef struct sys {
typedef struct sys
{
kobject_t kobj;
} sys_t;
static sys_t sys_obj;
enum sys_op {
enum sys_op
{
SYS_INFO_GET,
REBOOT,
MEM_INFO,
@@ -53,37 +56,47 @@ static void sys_syscall(kobject_t *kobj, syscall_prot_t sys_p, msg_tag_t in_tag,
{
int ret = 0;
msg_tag_t tag = msg_tag_init4(0, 0, 0, -EINVAL);
if (sys_p.prot != SYS_PROT) {
if (sys_p.prot != SYS_PROT)
{
f->regs[0] = msg_tag_init4(0, 0, 0, -EPROTO).raw;
return;
}
switch (sys_p.op) {
case SYS_INFO_GET: {
switch (sys_p.op)
{
case SYS_INFO_GET:
{
umword_t flags = f->regs[0];
addr_t cpio_addr;
f->regs[1] = sys_tick_cnt_get();
#if IS_ENABLED(CONFIG_MMU)
if (flags & SYS_FLAGS_MAP_CPIO_FS) {
if (flags & SYS_FLAGS_MAP_CPIO_FS)
{
ret = task_vma_alloc(&(thread_get_current_task()->mm_space.mem_vma),
vma_addr_create(VPAGE_PROT_RO, VMA_ADDR_RESV, 0),
cpio_get_size(cpio_images), (paddr_t)cpio_images, &cpio_addr);
f->regs[2] = cpio_addr;
} else {
}
else
{
f->regs[2] = CONFIG_BOOT_FS_VADDR;
}
#else
f->regs[2] = CONFIG_KNL_TEXT_ADDR + CONFIG_BOOTFS_OFFSET;
f->regs[2] = arch_get_boot_info()->flash_layer.flash_layer_list[BOOTFS_LAYER_3].st_addr;
#endif
f->regs[3] = arch_get_sys_clk();
tag = msg_tag_init4(0, 0, 0, ret);
} break;
case REBOOT: {
}
break;
case REBOOT:
{
printk("sys reboot.\n");
sys_reset();
tag = msg_tag_init4(0, 0, 0, 0);
} break;
case MEM_INFO: {
}
break;
case MEM_INFO:
{
size_t total;
size_t free;
@@ -91,11 +104,14 @@ static void sys_syscall(kobject_t *kobj, syscall_prot_t sys_p, msg_tag_t in_tag,
f->regs[1] = total;
f->regs[2] = free;
tag = msg_tag_init4(0, 0, 0, 0);
} break;
case DIS_IRQ: {
}
break;
case DIS_IRQ:
{
arch_disable_irq(f->regs[0]);
tag = msg_tag_init4(0, 0, 0, 0);
} break;
}
break;
default:
tag = msg_tag_init4(0, 0, 0, -ENOSYS);
break;