重写rust核心库，构建中断处理框架 #6
|
|
@ -46,13 +46,13 @@ typedef void (*interrupt_entry)();
|
|||
/**
|
||||
* @name interrupt_request
|
||||
* @addindex 平台定制函数
|
||||
*
|
||||
*
|
||||
* 中断请求处理程序。
|
||||
*
|
||||
*
|
||||
* ```c
|
||||
* void interrupt_request(u64 rip, u64 rsp);
|
||||
* ```
|
||||
*
|
||||
*
|
||||
* 由中断入口程序调用。
|
||||
*/
|
||||
typedef void (*interrupt_request)(u64 rip, u64 rsp, u64 errcode);
|
||||
|
|
@ -77,11 +77,13 @@ typedef void (*interrupt_request)(u64 rip, u64 rsp, u64 errcode);
|
|||
#define DE
|
||||
#define NMI
|
||||
#define BP
|
||||
#define OF
|
||||
|
||||
interrupt_entry_gen(UNSUPPORTED);
|
||||
|
||||
interrupt_entry_gen(DE);
|
||||
interrupt_entry_gen(NMI);
|
||||
interrupt_entry_gen(BP);
|
||||
interrupt_entry_gen(DE); // irq0
|
||||
interrupt_entry_gen(NMI); // irq2
|
||||
interrupt_entry_gen(BP); // irq3
|
||||
interrupt_entry_gen(OF); // ira4
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -13,8 +13,7 @@ ifdef release
|
|||
CCFLAGS := ${CCFLAGS} -O2
|
||||
endif
|
||||
|
||||
C_SRCS = main.c tty.c font.c memm.c memm_${ARCH}.c raw.c time.c syscall_${ARCH}.c interrupt_${ARCH}.c \
|
||||
interrupt_procs.c
|
||||
C_SRCS = main.c tty.c font.c memm.c memm_${ARCH}.c raw.c time.c syscall_${ARCH}.c interrupt_${ARCH}.c
|
||||
C_OBJS = ${C_SRCS:.c=.c.o}
|
||||
|
||||
################################
|
||||
|
|
|
|||
|
|
@ -0,0 +1,2 @@
|
|||
#[cfg(target_arch = "x86_64")]
|
||||
pub mod x86_64;
|
||||
|
|
@ -11,7 +11,8 @@ init64:
|
|||
mov rsp, rax
|
||||
mov rdi, rbx
|
||||
|
||||
lidt [0x104010]
|
||||
; 加载idt
|
||||
lidt [0x104010] ; idt_ptr
|
||||
|
||||
; 加载系统调用相关寄存器
|
||||
; IA32_STAR = 0x0018_0008_0000_0000
|
||||
|
|
|
|||
|
|
@ -21,17 +21,18 @@ init32:
|
|||
mov dword [edi], 0
|
||||
|
||||
; 设置PD0中的PDE
|
||||
mov ecx, 64
|
||||
; 以2MB页映射前64MB
|
||||
mov ecx, 32
|
||||
mov eax, 0
|
||||
mov edi, 0x103000 ; PD0
|
||||
init32_loop0:
|
||||
mov edx, eax
|
||||
add edx, 0x183
|
||||
mov dword [edi], edx
|
||||
add eax, 0x200000 ; 2MB
|
||||
add edi, 4
|
||||
mov dword [edi], 0
|
||||
add edi, 4
|
||||
add eax, 0x200000 ; 2MB
|
||||
loop init32_loop0
|
||||
|
||||
; 加载GDTR、段寄存器和TR寄存器
|
||||
|
|
|
|||
|
|
@ -0,0 +1,49 @@
|
|||
use crate::{kernel::tty::tty::Tty, libk::alloc::string::ToString, message, message_raw};
|
||||
|
||||
extern "C" {
|
||||
pub fn interrupt_open();
|
||||
pub fn interrupt_close();
|
||||
// 以下两个函数签名的返回值用于使编译器保留rax寄存器
|
||||
pub fn interrupt_rust_enter() -> usize;
|
||||
pub fn interrupt_rust_leave() -> usize;
|
||||
}
|
||||
|
||||
#[no_mangle]
|
||||
unsafe extern "C" fn interrupt_req_UNSUPPORTED(rip: u64, rsp: u64, errcode: u64) -> ! {
|
||||
interrupt_rust_enter();
|
||||
let tty = Tty::from_id(0).unwrap();
|
||||
tty.enable();
|
||||
let msg = message_raw!(
|
||||
Msg("Panic:"),
|
||||
FgColor::<u8>(Color::RED),
|
||||
Msg(" Kernel hit an unsupported interrupt\n\twith %rip=0x"),
|
||||
Msg(rip.to_hex_string()),
|
||||
Msg(" and %rsp=0x"),
|
||||
Msg(rsp.to_hex_string())
|
||||
);
|
||||
tty.print(msg);
|
||||
loop {}
|
||||
}
|
||||
|
||||
#[no_mangle]
|
||||
unsafe extern "C" fn interrupt_req_DE(rip: u64, rsp: u64, errcode: u64) {
|
||||
interrupt_rust_enter();
|
||||
let tty = Tty::from_id(0).unwrap();
|
||||
tty.enable();
|
||||
tty.print(message!(
|
||||
"{Panic}: divided by zero. rip=0x{}.\n",
|
||||
FmtMeta::Color(Color::RED),
|
||||
FmtMeta::Pointer(rip as usize)
|
||||
));
|
||||
loop {}
|
||||
interrupt_rust_leave();
|
||||
}
|
||||
|
||||
#[no_mangle]
|
||||
unsafe extern "C" fn interrupt_req_NMI(rip: u64, rsp: u64, errcode: u64) {}
|
||||
|
||||
#[no_mangle]
|
||||
unsafe extern "C" fn interrupt_req_BP(rip: u64, rsp: u64, errcode: u64) {}
|
||||
|
||||
#[no_mangle]
|
||||
unsafe extern "C" fn interrupt_req_OF(rip: u64, rsp: u64, errcode: u64) {}
|
||||
|
|
@ -1,190 +0,0 @@
|
|||
#include <kernel/arch/x86_64/interrupt_procs.h>
|
||||
#include <kernel/arch/x86_64/memm.h>
|
||||
#include <kernel/arch/x86_64/proc.h>
|
||||
#include <kernel/kernel.h>
|
||||
#include <kernel/tty.h>
|
||||
#include <libk/string.h>
|
||||
|
||||
interrupt_req_gen(UNSUPPORTED)
|
||||
{
|
||||
tty **tty0_option = tty_get(0);
|
||||
if (tty0_option == nullptr)
|
||||
{
|
||||
KERNEL_TODO();
|
||||
}
|
||||
tty *tty0 = *tty0_option;
|
||||
tty_text_print(tty0, "Panic: Unsupported interrupt.", RED, BLACK);
|
||||
KERNEL_TODO();
|
||||
}
|
||||
|
||||
static void rip_not_cannonical(u64 rip, tty *tty0)
|
||||
{
|
||||
char num[17];
|
||||
memset(num, 0, sizeof(num));
|
||||
pointer_to_string(rip, num);
|
||||
tty_text_print(tty0, "Panic", RED, BLACK);
|
||||
tty_text_print(tty0, ": Unexpected non-cannonical %rip value ", WHITE, BLACK);
|
||||
tty_text_print(tty0, num, ORANGE, BLACK);
|
||||
tty_text_print(tty0, ".\n", WHITE, BLACK);
|
||||
KERNEL_TODO();
|
||||
}
|
||||
|
||||
interrupt_req_gen(DE)
|
||||
{
|
||||
tty **tty0_option = tty_get(0);
|
||||
if (tty0_option == nullptr)
|
||||
{
|
||||
KERNEL_TODO();
|
||||
}
|
||||
tty *tty0 = *tty0_option;
|
||||
if (!is_cannonical(rip))
|
||||
{
|
||||
rip_not_cannonical(rip, tty0);
|
||||
}
|
||||
if (!is_user_address(rip))
|
||||
{
|
||||
char nums[34];
|
||||
memset(nums, 0, sizeof(nums));
|
||||
pointer_to_string(rip, nums);
|
||||
pointer_to_string(rsp, nums + 17);
|
||||
tty_text_print(tty0, "Panic", RED, BLACK);
|
||||
tty_text_print(tty0, ": Divided by zero occurs in kernel,\n\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, "with %rip=", WHITE, BLACK);
|
||||
tty_text_print(tty0, "0x", ORANGE, BLACK);
|
||||
tty_text_print(tty0, nums, ORANGE, BLACK);
|
||||
tty_text_print(tty0, ", %rsp=", WHITE, BLACK);
|
||||
tty_text_print(tty0, "0x", ORANGE, BLACK);
|
||||
tty_text_print(tty0, nums + 17, ORANGE, BLACK);
|
||||
tty_text_print(tty0, ".\n", WHITE, BLACK);
|
||||
KERNEL_TODO();
|
||||
}
|
||||
else
|
||||
{ // TODO 转储并结束进程
|
||||
KERNEL_TODO();
|
||||
}
|
||||
}
|
||||
|
||||
interrupt_req_gen(BP)
|
||||
{
|
||||
tty **tty0_option = tty_get(0);
|
||||
if (tty0_option == nullptr)
|
||||
{
|
||||
KERNEL_TODO();
|
||||
}
|
||||
tty *tty0 = *tty0_option;
|
||||
if (!is_cannonical(rip))
|
||||
{
|
||||
rip_not_cannonical(rip, tty0);
|
||||
}
|
||||
proc_texture_registers_t *texture = (void *)errcode;
|
||||
if (!is_user_address(rip))
|
||||
{
|
||||
char nums[34];
|
||||
memset(nums, 0, sizeof(nums));
|
||||
pointer_to_string(rip, nums);
|
||||
pointer_to_string(rsp, nums + 17);
|
||||
tty_text_print(tty0, "Debug", PURPLE, BLACK);
|
||||
tty_text_print(tty0, ": Kernel hit a breakpoint,\n\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, "with %rip=", WHITE, BLACK);
|
||||
tty_text_print(tty0, "0x", ORANGE, BLACK);
|
||||
tty_text_print(tty0, nums, ORANGE, BLACK);
|
||||
tty_text_print(tty0, ", %rsp=", WHITE, BLACK);
|
||||
tty_text_print(tty0, "0x", ORANGE, BLACK);
|
||||
tty_text_print(tty0, nums + 17, ORANGE, BLACK);
|
||||
tty_text_print(tty0, ",\n\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, "on texture: \n", WHITE, BLACK);
|
||||
pointer_to_string(texture->rax, nums);
|
||||
tty_text_print(tty0, "rax\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, nums, BLUE, BLACK);
|
||||
tty_text_print(tty0, "\t", WHITE, BLACK);
|
||||
pointer_to_string(texture->rcx, nums);
|
||||
tty_text_print(tty0, "rcx\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, nums, BLUE, BLACK);
|
||||
tty_text_print(tty0, "\n", WHITE, BLACK);
|
||||
pointer_to_string(texture->rbx, nums);
|
||||
tty_text_print(tty0, "rbx\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, nums, BLUE, BLACK);
|
||||
tty_text_print(tty0, "\t", WHITE, BLACK);
|
||||
pointer_to_string(texture->rdx, nums);
|
||||
tty_text_print(tty0, "rdx\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, nums, BLUE, BLACK);
|
||||
tty_text_print(tty0, "\n", WHITE, BLACK);
|
||||
pointer_to_string(texture->rsi, nums);
|
||||
tty_text_print(tty0, "rsi\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, nums, BLUE, BLACK);
|
||||
tty_text_print(tty0, "\t", WHITE, BLACK);
|
||||
pointer_to_string(texture->rdi, nums);
|
||||
tty_text_print(tty0, "rdi\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, nums, BLUE, BLACK);
|
||||
tty_text_print(tty0, "\n", WHITE, BLACK);
|
||||
pointer_to_string(texture->rbp, nums);
|
||||
tty_text_print(tty0, "rbp\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, nums, BLUE, BLACK);
|
||||
tty_text_print(tty0, "\t", WHITE, BLACK);
|
||||
pointer_to_string(texture->rsp, nums);
|
||||
tty_text_print(tty0, "rsp\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, nums, BLUE, BLACK);
|
||||
tty_text_print(tty0, "\n", WHITE, BLACK);
|
||||
pointer_to_string(texture->rip, nums);
|
||||
tty_text_print(tty0, "rip\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, nums, BLUE, BLACK);
|
||||
tty_text_print(tty0, "\t", WHITE, BLACK);
|
||||
pointer_to_string(texture->rflags, nums);
|
||||
tty_text_print(tty0, "rflags\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, nums, BLUE, BLACK);
|
||||
tty_text_print(tty0, "\n", WHITE, BLACK);
|
||||
pointer_to_string(texture->r8, nums);
|
||||
tty_text_print(tty0, "r8\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, nums, BLUE, BLACK);
|
||||
tty_text_print(tty0, "\t", WHITE, BLACK);
|
||||
pointer_to_string(texture->r9, nums);
|
||||
tty_text_print(tty0, "r9\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, nums, BLUE, BLACK);
|
||||
tty_text_print(tty0, "\n", WHITE, BLACK);
|
||||
pointer_to_string(texture->r10, nums);
|
||||
tty_text_print(tty0, "r10\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, nums, BLUE, BLACK);
|
||||
tty_text_print(tty0, "\t", WHITE, BLACK);
|
||||
pointer_to_string(texture->r11, nums);
|
||||
tty_text_print(tty0, "r11\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, nums, BLUE, BLACK);
|
||||
tty_text_print(tty0, "\n", WHITE, BLACK);
|
||||
pointer_to_string(texture->r12, nums);
|
||||
tty_text_print(tty0, "r12\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, nums, BLUE, BLACK);
|
||||
tty_text_print(tty0, "\t", WHITE, BLACK);
|
||||
pointer_to_string(texture->r13, nums);
|
||||
tty_text_print(tty0, "r13\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, nums, BLUE, BLACK);
|
||||
tty_text_print(tty0, "\n", WHITE, BLACK);
|
||||
pointer_to_string(texture->r14, nums);
|
||||
tty_text_print(tty0, "r14\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, nums, BLUE, BLACK);
|
||||
tty_text_print(tty0, "\t", WHITE, BLACK);
|
||||
pointer_to_string(texture->r15, nums);
|
||||
tty_text_print(tty0, "r15\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, nums, BLUE, BLACK);
|
||||
tty_text_print(tty0, "\n", WHITE, BLACK);
|
||||
pointer_to_string(texture->cs, nums);
|
||||
tty_text_print(tty0, "cs\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, nums, BLUE, BLACK);
|
||||
tty_text_print(tty0, "\t", WHITE, BLACK);
|
||||
pointer_to_string(texture->ss, nums);
|
||||
tty_text_print(tty0, "ss\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, nums, BLUE, BLACK);
|
||||
tty_text_print(tty0, "\n", WHITE, BLACK);
|
||||
pointer_to_string(texture->ds, nums);
|
||||
tty_text_print(tty0, "ds\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, nums, BLUE, BLACK);
|
||||
tty_text_print(tty0, "\t", WHITE, BLACK);
|
||||
pointer_to_string(texture->es, nums);
|
||||
tty_text_print(tty0, "es\t", WHITE, BLACK);
|
||||
tty_text_print(tty0, nums, BLUE, BLACK);
|
||||
tty_text_print(tty0, "\n", WHITE, BLACK);
|
||||
KERNEL_TODO();
|
||||
}
|
||||
else
|
||||
{ // TODO 将当前进程的状态设置为暂停并通知当前进程的调试程序
|
||||
KERNEL_TODO();
|
||||
}
|
||||
}
|
||||
|
|
@ -77,7 +77,7 @@ interrupt_entry_DE:
|
|||
interrupt_entry_leave
|
||||
iret
|
||||
|
||||
global interrupt_entry_DE
|
||||
global interrupt_entry_NMI
|
||||
interrupt_entry_NMI:
|
||||
; TODO 暂时不需要为这个中断实现任何功能
|
||||
iret
|
||||
|
|
@ -95,3 +95,15 @@ interrupt_entry_BP:
|
|||
|
||||
interrupt_entry_leave
|
||||
iret
|
||||
|
||||
global interrupt_entry_OF
|
||||
extern interrupt_req_OF
|
||||
interrupt_entry_OF:
|
||||
interrupt_entry_enter
|
||||
|
||||
mov rdi, [rsp + 128]
|
||||
mov rsi, [rsp + 152]
|
||||
call interrupt_req_OF
|
||||
|
||||
interrupt_entry_leave
|
||||
iret
|
||||
|
|
|
|||
|
|
@ -20,6 +20,8 @@ void interrupt_init()
|
|||
interrupt_register_gate(gate, 2);
|
||||
trap_gate_generate(gate, interrupt_entry_sym(BP));
|
||||
interrupt_register_gate(gate, 3);
|
||||
trap_gate_generate(gate, interrupt_entry_sym(OF));
|
||||
interrupt_register_gate(gate, 4);
|
||||
|
||||
interrupt_open();
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,2 @@
|
|||
pub mod interrupt;
|
||||
pub mod proc;
|
||||
|
|
@ -0,0 +1,32 @@
|
|||
#[repr(C)]
|
||||
#[derive(Debug)]
|
||||
pub struct RegisterTexture {
|
||||
es: u16,
|
||||
ds: u16,
|
||||
reserved: u32,
|
||||
r15: u64,
|
||||
r14: u64,
|
||||
r13: u64,
|
||||
r12: u64,
|
||||
r11: u64,
|
||||
r10: u64,
|
||||
r9: u64,
|
||||
r8: u64,
|
||||
rdi: u64,
|
||||
rsi: u64,
|
||||
rdx: u64,
|
||||
rbx: u64,
|
||||
rcx: u64,
|
||||
rax: u64,
|
||||
rbp: u64,
|
||||
rip: u64,
|
||||
cs: u64,
|
||||
rflags: u64,
|
||||
rsp: u64,
|
||||
ss: u64,
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct ProcessTexture {
|
||||
register: RegisterTexture,
|
||||
}
|
||||
|
|
@ -48,6 +48,8 @@ void kmain(void *mb2_bootinfo)
|
|||
// 初始化中断管理
|
||||
interrupt_init();
|
||||
|
||||
int i = 1 / 0;
|
||||
|
||||
// 初始化系统调用
|
||||
syscall_init();
|
||||
|
||||
|
|
|
|||
|
|
@ -3,4 +3,4 @@ pub mod klog;
|
|||
pub mod main;
|
||||
pub mod memm;
|
||||
pub mod tty;
|
||||
pub mod sync;
|
||||
pub mod arch;
|
||||
|
|
|
|||
Loading…
Reference in New Issue