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Fixed a lot of errors, and redesigned most of the ISR and IDTs.

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This commit is contained in:
Arron David Nelson 2023-10-31 04:32:41 -07:00
parent 5c2e3146a6
commit 07c0c99a48
23 changed files with 168 additions and 437 deletions
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29
.clang-format
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@ -1,29 +0,0 @@
---
Language: C
Standard: C11 (or C17)
BasedOnStyle: LLVM
IndentWidth: 4
UseTab: Never
TabWidth: 4
BreakBeforeBraces: Allman
AllowShortIfStatementsOnASingleLine: false
AllowShortLoopsOnASingleLine: false
AllowShortFunctionsOnASingleLine: false
AlignAfterOpenBracket: Align
AlignConsecutiveAssignments: true
AlignConsecutiveDeclarations: true
AlignConsecutiveMacros: true
AlignEscapedNewlines: Left
AlignOperands: true
AlignTrailingComments: true
AllowAllParametersOfDeclarationOnNextLine: false
AllowShortBlocksOnASingleLine: false
AllowShortCaseLabelsOnASingleLine: false
AllowShortEnumsOnASingleLine: false
AllowShortNamespaceContentsOnASingleLine: false
AllowShortTemplateFunctionsOnASingleLine: false
AllowShortTypeConstraintsOnASingleLine: false
AllowShortVariablesOnASingleLine: false
AlwaysBreakAfterReturnType: None
AlwaysBreakBeforeMultilineStrings: false
AlwaysBreakTemplateDeclarations: true

9
CMakeLists.txt
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@ -46,6 +46,7 @@ set(DRIVERS_SOURCE_FILES
src/drivers/display/display.c
src/drivers/display/display.h
src/drivers/io/io.c
src/drivers/io/io.asm
src/drivers/io/io.h
src/drivers/keyboard/keyboard.c
src/drivers/keyboard/keyboard.h
@ -62,9 +63,12 @@ set(KERNEL_SOURCE_FILES
src/kernel/arch/x86/gdt.c
src/kernel/arch/x86/gdt.c
src/kernel/arch/x86/idt.c
src/kernel/arch/x86/idt.asm
src/kernel/arch/x86/idt.h
src/kernel/arch/x86/isr.c
src/kernel/arch/x86/isr.h
src/kernel/arch/x86/isr/isr.c
src/kernel/arch/x86/isr/isr.h
src/kernel/arch/x86/isr/exceptions.c
src/kernel/arch/x86/isr/exceptions.h
src/kernel/kernel.c
src/kernel/kernel.h
src/kernel/linker.ld
@ -101,7 +105,6 @@ add_executable(ClassicOS
${GRUB_SOURCE_FILES}
${DRIVERS_SOURCE_FILES}
${KERNEL_SOURCE_FILES}
${UTIL_SOURCE_FILES}
)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

2
src/Math.cpp
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@ -55,7 +55,7 @@ double Math::Sqrt(const double from)
float Math::Sqrt(const float from)
{
#if defined(ARCH_X64)
#if defined(ARCH_X64) || defined(ARCH_X86)
if (CPU::HasAVX())
return Sqrt_AVX(from);
else if (CPU::HasSSE())

2
src/Math.h
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@ -1,6 +1,6 @@
#pragma once
#include "sys/cpu.h"
#include "sys/CPU.h"
#define LOW_WORD(x) *((int*)&x) + 1

48
src/Math_GCC_AMD64.s
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@ -1,61 +1,61 @@
global _ZN3lwe4Math8Sqrt_AVXEf
global _ZN3lwe4Math8Sqrt_AVXEd
global _ZN3lwe4Math8Sqrt_SSEEf
global _ZN3lwe4Math9Sqrt_SSE2Ed
global _ZN3lwe4Math4NearEf
global _ZN3lwe4Math4NearEd
global _ZN3lwe4Math5FloorEf
global _ZN3lwe4Math5FloorEd
global _ZN3lwe4Math4CeilEf
global _ZN3lwe4Math4CeilEd
global _ZN3lwe4Math5TruncEf
global _ZN3lwe4Math5TruncEd
global _ZN3Math8Sqrt_AVXEf
global _ZN3Math8Sqrt_AVXEd
global _ZN3Math8Sqrt_SSEEf
global _ZN3Math9Sqrt_SSE2Ed
global _ZN3Math4NearEf
global _ZN3Math4NearEd
global _ZN3Math5FloorEf
global _ZN3Math5FloorEd
global _ZN3Math4CeilEf
global _ZN3Math4CeilEd
global _ZN3Math5TruncEf
global _ZN3Math5TruncEd
section .text
_ZN3lwe4Math8Sqrt_AVXEf:
_ZN3Math8Sqrt_AVXEf:
VSQRTPS XMM0, XMM0
RET
_ZN3lwe4Math8Sqrt_AVXEd:
_ZN3Math8Sqrt_AVXEd:
VSQRTPD XMM0, XMM0
RET
_ZN3lwe4Math8Sqrt_SSEEf:
_ZN3Math8Sqrt_SSEEf:
SQRTPS XMM0, XMM0
RET
_ZN3lwe4Math9Sqrt_SSE2Ed:
_ZN3Math9Sqrt_SSE2Ed:
SQRTPD XMM0, XMM0
RET
_ZN3lwe4Math4NearEf:
_ZN3Math4NearEf:
ROUNDPS XMM0, XMM0, 0
RET
_ZN3lwe4Math4NearEd:
_ZN3Math4NearEd:
ROUNDPD XMM0, XMM0, 0
RET
_ZN3lwe4Math5FloorEf:
_ZN3Math5FloorEf:
ROUNDPS XMM0, XMM0, 1
RET
_ZN3lwe4Math5FloorEd:
_ZN3Math5FloorEd:
ROUNDPD XMM0, XMM0, 1
RET
_ZN3lwe4Math4CeilEf:
_ZN3Math4CeilEf:
ROUNDPS XMM0, XMM0, 2
RET
_ZN3lwe4Math4CeilEd:
_ZN3Math4CeilEd:
ROUNDPD XMM0, XMM0, 2
RET
_ZN3lwe4Math5TruncEf:
_ZN3Math5TruncEf:
ROUNDPS XMM0, XMM0, 3
RET
_ZN3lwe4Math5TruncEd:
_ZN3Math5TruncEd:
ROUNDPD XMM0, XMM0, 3
RET

13
src/drivers/io/io.asm Normal file
View File

@ -0,0 +1,13 @@
global inb
global outb
inb:
MOV DX, WORD [ESP + 16]
IN AL, DX
RET
outb:
MOV DX, WORD [ESP + 16]
MOV AL, BYTE [ESP + 24]
OUT DX, AL
RET

6
src/drivers/io/io.h
View File

@ -19,8 +19,10 @@ char io_read_lpt();
void io_write_lpt(char data);
// Function declarations for keyboard.c
uint8_t inb(uint16_t port);
void outb(uint16_t port, uint8_t data);
extern uint8_t inb(uint16_t port);
extern void outb(uint16_t port, uint8_t data);
void install_interrupt_handler(uint8_t interrupt, void (*handler)(void));
#endif /* IO_H */

5
src/drivers/keyboard/keyboard.c
View File

@ -21,8 +21,7 @@ static size_t keyboard_buffer_tail = 0;
void set_interrupt_vector(uint8_t vector, void (*handler)());
void enable_interrupt(uint8_t vector);
// Keyboard interrupt handler
void keyboard_interrupt_handler()
void KeyboardInterruptHandler()
{
uint8_t scancode = inb(KEYBOARD_DATA_PORT);
@ -35,7 +34,7 @@ void keyboard_interrupt_handler()
void keyboard_init()
{
// Install keyboard interrupt handler
set_interrupt_vector(KEYBOARD_INTERRUPT_VECTOR, keyboard_interrupt_handler);
set_interrupt_vector(KEYBOARD_INTERRUPT_VECTOR, KeyboardInterruptHandler);
enable_interrupt(KEYBOARD_INTERRUPT_VECTOR);
// Enable keyboard

2
src/drivers/keyboard/keyboard.h
View File

@ -4,6 +4,8 @@
#include <stdbool.h>
#include <stdint.h>
void KeyboardInterruptHandler();
void keyboard_init();
bool keyboard_buffer_empty();
uint8_t keyboard_read_scancode();

30
src/kernel/arch/x86/gdt.c
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@ -1,6 +1,6 @@
#include "gdt.h"
#include "idt.h"
#include "isr.h"
#include "isr/isr.h"
#include <inttypes.h>
#include <stdbool.h>
#include <stddef.h>
@ -90,31 +90,3 @@ extern void system_call();
extern void timer();
extern void keyboard();
extern void device();
// Register an ISR
void isr_register(uint8_t num, void (*handler)(struct isr_regs *))
{
isr_table[num] = handler;
}
void divide_error(struct idt_regs *regs)
{
printf("Divide by zero error!\n");
// Additional actions can be taken as needed
}
// Initialize the ISR
void isr_init()
{
// Register exception handlers
isr_register(0, divide_error);
isr_register(PAGE_FAULT, page_fault);
isr_register(13, general_protection_fault);
isr_register(DOUBLE_FAULT, double_fault);
// Register interrupt handlers
isr_register(SYSTEM_CALL, system_call);
isr_register(TIMER, timer);
isr_register(0x21, keyboard);
isr_register(0x30, device);
}

5
src/kernel/arch/x86/idt.asm Normal file
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@ -0,0 +1,5 @@
global LoadIDT
LoadIDT:
LIDT [ESP + 32]
RET

76
src/kernel/arch/x86/idt.c
View File

@ -1,75 +1,19 @@
#include "idt.h"
#include "isr.h"
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "isr/isr.h"
#include "../../../drivers/keyboard/keyboard.h"
enum
{
GDT_ACCESS_PRESENT = 0x80,
BASE_MIDDLE_SHIFT = 16,
BYTE_MASK = 0xFF
};
// IDT table
struct idt_entry idt[256];
// IDT pointer
const struct idt_ptr idtp = {sizeof(idt) - 1, idt};
// Exception handlers
extern void divide_error_handler();
extern void page_fault(struct idt_regs *regs);
extern void general_protection_fault_handler();
extern void double_fault_handler();
// Interrupt handlers
extern void system_call_handler();
extern void timer_handler();
extern void keyboard_handler();
extern void device_handler();
extern void network_handler();
extern void disk_handler();
extern void serial_port_handler();
// Initialize an IDT entry
void idt_set_gate(uint8_t num, void *base, uint16_t sel, uint8_t flags)
{
uintptr_t base_addr = (uintptr_t)base;
idt[num].base_lo = base_addr & BYTE_MASK;
idt[num].base_hi = (base_addr >> BASE_MIDDLE_SHIFT) & 0xFFFF;
idt[num].sel = sel;
idt[num].always0 = 0;
idt[num].flags = flags;
}
extern void LoadIDT(struct idt_entry* entry);
// Initialize the IDT
void idt_init()
void InitializeIDT()
{
// Clear IDT
#ifdef __STDC_LIB_EXT1__
memset_s(idt, 0, sizeof(idt));
#else
memset(idt, 0, sizeof(idt));
#endif
idt[KEYBOARD_INTERRUPT].base_lo = ((uint16_t*)KeyboardInterruptHandler)[0];
idt[KEYBOARD_INTERRUPT].sel = 0x08;
idt[KEYBOARD_INTERRUPT].always0 = 0x00;
idt[KEYBOARD_INTERRUPT].flags = 0x8E;
idt[KEYBOARD_INTERRUPT].base_hi = ((uint16_t*)KeyboardInterruptHandler)[1];
// Set up exception handlers
idt_set_gate(0, divide_error_handler, 0x08, 0x8E);
idt_set_gate(14, page_fault, 0x08, 0x8E);
idt_set_gate(13, general_protection_fault_handler, 0x08, 0x8E);
idt_set_gate(8, double_fault_handler, 0x08, 0x8E);
// Set up interrupt handlers
idt_set_gate(0x80, system_call_handler, 0x08, 0xEE);
idt_set_gate(0x20, timer_handler, 0x08, 0x8E);
idt_set_gate(0x21, keyboard_handler, 0x08, 0x8E);
idt_set_gate(0x22, network_handler, 0x08, 0x8E);
idt_set_gate(0x23, disk_handler, 0x08, 0x8E);
idt_set_gate(0x24, serial_port_handler, 0x08, 0x8E);
// Load IDT
__asm__ volatile("lidt %0" : : "m"(idtp));
LoadIDT(&idt[KEYBOARD_INTERRUPT]);
}

25
src/kernel/arch/x86/idt.h
View File

@ -1,8 +1,8 @@
#ifndef IDT_H
#define IDT_H
#include <stdint.h>
#include "isr.h"
#include "include/types.h"
// IDT entry structure
struct idt_entry
{
@ -13,26 +13,9 @@ struct idt_entry
uint16_t base_hi; // Upper 16 bits of handler function address
} __attribute__((packed));
// IDT pointer structure
struct idt_ptr
{
uint16_t limit; // Size of IDT in bytes - 1
struct idt_entry *base; // Address of IDT
} __attribute__((packed));
// Exception handlers
void divide_error(struct idt_regs *regs);
void double_fault();
// Interrupt handlers
void timer();
void keyboard();
void device();
void network();
void disk();
void serial_port();
extern struct idt_entry idt[256];
// Initialize the IDT
void idt_init();
void InitializeIDT();
#endif /* IDT_H */

8
src/kernel/arch/x86/interrupt_utils.h
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@ -1,8 +0,0 @@
#ifndef INTERRUPT_UTILS_H
#define INTERRUPT_UTILS_H
#include <stdint.h>
uint32_t read_interrupt_type(void);
#endif /* INTERRUPT_UTILS_H */

190
src/kernel/arch/x86/isr.c
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@ -1,190 +0,0 @@
#include "isr.h"
#include "idt.h"
#include <stdint.h>
#include <stdio.h>
#include <signal.h>
#include <stdlib.h>
#include <unistd.h>
#include "./interrupt_utils.h"
void invalid_opcode(void);
void general_protection_fault(struct idt_regs *regs);
void page_fault(struct idt_regs *regs);
void system_call(struct idt_regs *regs);
enum
{
TIMER_INTERRUPT = 0x20,
KEYBOARD_INTERRUPT = 0x21,
NETWORK_INTERRUPT = 0x22,
DISK_INTERRUPT = 0x23,
SERIAL_PORT_INTERRUPT = 0x24
};
void dummy_isr(struct isr_regs *regs)
{
printf("Timer interrupt occurred!\n");
}
// Register an ISR
extern void isr_register(uint8_t num, void (*handler)(struct isr_regs *regs))
{
isr_table[num] = handler;
}
// ISR handler
void isr_handler(struct idt_regs *regs)
{
switch (regs->int_no)
{
case 0x00:
divide_error(regs);
break;
case 0x06:
invalid_opcode();
break;
case 0x0D:
general_protection_fault(regs);
break;
case 0x0E:
page_fault(regs);
break;
case 0x08:
double_fault();
break;
case 0x80:
system_call(regs);
break;
case 0x20:
timer();
break;
case 0x21:
keyboard();
break;
case 0x2F:
device();
break;
case 0x28:
network();
break;
case 0x2E:
disk();
break;
case 0x24:
serial_port();
break;
default:
printf("Unhandled interrupt: %d\n", regs->int_no);
break;
}
}
// Exception handlers
void divide_error(struct idt_regs *regs)
{
printf("Divide by zero error!\n");
// Additional actions can be taken as needed
}
void page_fault(struct idt_regs *regs)
{
uint32_t faulting_address;
// Read the CR2 register to get the faulting address
__asm__ volatile("mov %%cr2, %0" : "=r"(faulting_address));
// Print an error message with the faulting address
printf("Page fault at 0x%x, virtual address 0x%x\n", regs->eip,
faulting_address);
// Additional actions can be taken as needed
}
void general_protection_fault(struct idt_regs *regs)
{
printf("General protection fault occurred!\n");
// Additional actions can be taken as needed
}
void double_fault()
{
// Handle double fault exception
}
// Interrupt handlers
void system_call(struct idt_regs *regs)
{
// Get the system call number from the eax register
uint32_t syscall_number = regs->eax;
// Handle different system call numbers
switch (syscall_number)
{
case 1:
// Handle open() system call
// ...
break;
case 2:
// Handle read() system call
// ...
break;
case 3:
// Handle write() system call
// ...
break;
case 4:
// Handle close() system call
// ...
break;
// Add more cases for other system calls
default:
// Unknown system call number
printf("Unknown system call number: %d\n", syscall_number);
break;
}
}
void timer()
{
static int count = 0;
printf ("timer expired %d times\n", ++count);
}
void keyboard()
{
// Handle keyboard interrupt
}
void device()
{
// Determine the type of device interrupt
uint32_t interrupt_type = read_interrupt_type();
// Call the appropriate interrupt handler
switch (interrupt_type)
{
case TIMER_INTERRUPT:
timer();
break;
case KEYBOARD_INTERRUPT:
keyboard();
break;
case NETWORK_INTERRUPT:
network();
break;
case DISK_INTERRUPT:
disk();
break;
case SERIAL_PORT_INTERRUPT:
serial_port();
break;
// Add more cases for other types of device interrupts
default:
// Unknown interrupt type
printf("Unknown device interrupt type: %d\n", interrupt_type);
break;
}
}

23
src/kernel/arch/x86/isr/exceptions.c Normal file
View File

@ -0,0 +1,23 @@
#include "exceptions.h"
#include <stdio.h>
void DivideByZero()
{
printf("Divide By Zero Exception");
}
void DoubleFault()
{
printf("Double Fault Exception");
}
void PageFault()
{
printf("Page Fault Exception");
}
void GeneralProtectionFault()
{
printf("General Protection Fault Exception");
}

12
src/kernel/arch/x86/isr/exceptions.h Normal file
View File

@ -0,0 +1,12 @@
#ifndef EXCEPTIONS_H
#define EXCEPTIONS_H
void DivideByZero();
void DoubleFault();
void PageFault();
void GeneralProtectionFault();
#endif

11
src/kernel/arch/x86/isr/isr.asm Normal file
View File

@ -0,0 +1,11 @@
global isr_handler
global _isr_stub
_isr_stub:
PUSH DWORD [ESP + 8]
PUSH DWORD [ESP + 8]
CALL isr_handler
ADD ESP, 8
IRETD

1
src/kernel/arch/x86/isr/isr.c Normal file
View File

@ -0,0 +1 @@
#include "isr.h"

24
src/kernel/arch/x86/isr.h → src/kernel/arch/x86/isr/isr.h
View File

@ -1,9 +1,26 @@
#ifndef ISR_H
#define ISR_H
#include <stdint.h>
#include "../include/types.h"
extern void (*isr_table[256])(struct isr_regs *regs);
enum ISR_Vector : uint32_t
{
EXCEPTION_START = 0x00,
DIVIDE_BY_ZERO_INTERRUPT = 0x00,
DOUBLE_FAULT_INTERRUPT = 0x08,
PAGE_FAULT_INTERRUPT = 0x0E,
GENERAL_PROTECTION_FAULT_INTERRUPT = 0x0D,
EXCEPTION_END = 0x1F,
HARDWARE_START = 0x20,
TIMER_INTERRUPT = 0x20,
KEYBOARD_INTERRUPT = 0x21,
NETWORK_INTERRUPT = 0x22,
DISK_INTERRUPT = 0x23,
SERIAL_PORT_INTERRUPT = 0x24,
HARDWARE_END = 0x2F,
USER_DEFINED_START = 0x30,
SYSTEM_CALL_INTERRUPT = 0x80
};
struct isr_regs
{
@ -28,7 +45,4 @@ struct idt_regs
ss; // Pushed by the processor automatically
};
// ISR handler
void isr_handler(struct idt_regs *regs);
#endif /* ISR_H */

26
src/sys/CPU.cpp
View File

@ -404,29 +404,3 @@ bool CPU::HasADX()
{
return GetExtFeatureBits_1() & 0b00000000000010000000000000000000;
}
/*
Str_8 CPU::ToStr()
{
return "Manufacturer: " + GetManufacturer() + "\r\n" +
"Brand: " + GetBrand() + "\r\n" +
"Stepping Id: " + Str_8::FromNum(GetSteppingId()) + "\r\n" +
"GpuModel Id: " + Str_8::FromNum(GetModelId()) + "\r\n" +
"Family Id: " + Str_8::FromNum(GetFamilyId()) + "\r\n" +
"Processor Type Id: " + Str_8::FromNum(GetProcessorTypeId()) + "\r\n" +
"Extended GpuModel Id: " + Str_8::FromNum(GetExtModelId()) + "\r\n" +
"Extended Family Id: " + Str_8::FromNum(GetExtFamilyId()) + "\r\n" +
"Has FPU: " + Str_8::FromNum((UInt_8)HasFPU()) + "\r\n" +
"Has SSE: " + Str_8::FromNum((UInt_8)HasSSE()) + "\r\n" +
"Has SSE 2: " + Str_8::FromNum((UInt_8)HasSSE2()) + "\r\n" +
"Has SSE 3: " + Str_8::FromNum((UInt_8)HasSSE3()) + "\r\n" +
"Has SSSE 3: " + Str_8::FromNum((UInt_8)HasSSSE3()) + "\r\n" +
"Has SSE 4.1: " + Str_8::FromNum((UInt_8)HasSSE4_1()) + "\r\n" +
"Has SSE 4.2: " + Str_8::FromNum((UInt_8)HasSSE4_2()) + "\r\n" +
"Has AVX: " + Str_8::FromNum((UInt_8)HasAVX()) + "\r\n" +
"Has RDRND: " + Str_8::FromNum((UInt_8)HasRDRND()) + "\r\n" +
"Has AVX 2: " + Str_8::FromNum((UInt_8)HasAVX2()) + "\r\n" +
"Has ADX: " + Str_8::FromNum((UInt_8)HasADX()) + "\r\n" +
"Has RDSEED: " + Str_8::FromNum((UInt_8)HasRDSEED());
}
*/

10
src/sys/CPU.h
View File

@ -4,7 +4,7 @@
#include "../Str.h"
#include "../Array.h"
enum class Architecture : UInt_8
enum Architecture : UInt_8
{
X64,
X86,
@ -13,7 +13,7 @@ enum class Architecture : UInt_8
UNKNOWN
};
enum class Endianness : UInt_8
enum Endianness : UInt_8
{
LE,
BE
@ -21,9 +21,9 @@ enum class Endianness : UInt_8
struct TSC
{
UInt_32 coreId = 0;
UInt_32 highCount = 0;
UInt_32 lowCount = 0;
UInt_32 coreId;
UInt_32 highCount;
UInt_32 lowCount;
};
class CPU

36
src/sys/CPU_GCC_AMD64.asm
View File

@ -1,22 +1,22 @@
global _ZN3lwe3CPU6RDTSCPEPNS_3TSCE
global _ZN3lwe3CPU15GetManufacturerEPc
global _ZN3lwe3CPU11GetInfoBitsEv
global _ZN3lwe3CPU16GetFeatureBits_1Ev
global _ZN3lwe3CPU16GetFeatureBits_2Ev
global _ZN3lwe3CPU19GetExtFeatureBits_1Ev
global _ZN3lwe3CPU19GetExtFeatureBits_2Ev
global _ZN3lwe3CPU19GetExtFeatureBits_3Ev
global _ZN3lwe3CPU8GetBrandEPc
global _ZN3CPU6RDTSCPEPNS_3TSCE
global _ZN3CPU15GetManufacturerEPc
global _ZN3CPU11GetInfoBitsEv
global _ZN3CPU16GetFeatureBits_1Ev
global _ZN3CPU16GetFeatureBits_2Ev
global _ZN3CPU19GetExtFeatureBits_1Ev
global _ZN3CPU19GetExtFeatureBits_2Ev
global _ZN3CPU19GetExtFeatureBits_3Ev
global _ZN3CPU8GetBrandEPc
section .text
_ZN3lwe3CPU6RDTSCPEPNS_3TSCE:
_ZN3CPU6RDTSCPEPNS_3TSCE:
RDTSCP
MOV DWORD [RDI], ECX
MOV DWORD [RDI + 4], EDX
MOV DWORD [RDI + 8], EAX
RET
_ZN3lwe3CPU15GetManufacturerEPc:
_ZN3CPU15GetManufacturerEPc:
PUSH RBX
XOR EAX, EAX
@ -30,7 +30,7 @@ section .text
RET
_ZN3lwe3CPU11GetInfoBitsEv:
_ZN3CPU11GetInfoBitsEv:
PUSH RBX
MOV EAX, 1
@ -40,7 +40,7 @@ section .text
RET
_ZN3lwe3CPU16GetFeatureBits_1Ev:
_ZN3CPU16GetFeatureBits_1Ev:
PUSH RBX
MOV EAX, 1
@ -52,7 +52,7 @@ section .text
RET
_ZN3lwe3CPU16GetFeatureBits_2Ev:
_ZN3CPU16GetFeatureBits_2Ev:
PUSH RBX
MOV EAX, 1
@ -64,7 +64,7 @@ section .text
RET
_ZN3lwe3CPU19GetExtFeatureBits_1Ev:
_ZN3CPU19GetExtFeatureBits_1Ev:
PUSH RBX
MOV EAX, 7
@ -77,7 +77,7 @@ section .text
RET
_ZN3lwe3CPU19GetExtFeatureBits_2Ev:
_ZN3CPU19GetExtFeatureBits_2Ev:
PUSH RBX
MOV EAX, 7
@ -90,7 +90,7 @@ section .text
RET
_ZN3lwe3CPU19GetExtFeatureBits_3Ev:
_ZN3CPU19GetExtFeatureBits_3Ev:
PUSH RBX
MOV EAX, 7
@ -103,7 +103,7 @@ section .text
RET
_ZN3lwe3CPU8GetBrandEPc:
_ZN3CPU8GetBrandEPc:
PUSH RBX
MOV EAX, 80000002h