Moved CPU code shared by x86 and x64 into x86-family.

This commit is contained in:
Jonas 'Sortie' Termansen 2011-08-12 17:17:02 +02:00
parent 4728809c00
commit 9995354f95
7 changed files with 154 additions and 125 deletions

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@ -26,7 +26,8 @@ ifdef X86FAMILY
CPUOBJS:=$(CPUOBJS) \
$(CPU)/memorymanagement-asm.o \
$(CPU)/interrupt.o \
$(CPU)/gdt.o
$(CPU)/gdt.o \
x86-family/x86-family.o
CPUFLAGS:=$(CPUFLAGS) -mno-mmx -mno-sse -mno-sse2 -mno-sse3 -mno-3dnow
endif
@ -42,7 +43,7 @@ DEFINES:=$(DEFINES) -DPLATFORM_KERNEL_HEAP
DEFINES:=$(DEFINES) -DINITRD
CPPFLAGSRELEASE=-s -O3
CPPFLAGSDEBUG=
CPPFLAGS=-I.. $(CPUDEFINES) $(CPUFLAGS) -std=gnu++0x -Wall -Wextra -nostdlib -fno-builtin -nostartfiles -nodefaultlibs -fno-exceptions -fno-rtti -fno-stack-protector $(DEFINES) $(CPPFLAGSRELEASE)
CPPFLAGS=-I.. -I. $(CPUDEFINES) $(CPUFLAGS) -std=gnu++0x -Wall -Wextra -nostdlib -fno-builtin -nostartfiles -nodefaultlibs -fno-exceptions -fno-rtti -fno-stack-protector $(DEFINES) $(CPPFLAGSRELEASE)
OBJS=$(CPUOBJS) kernel.o descriptor_tables.o isr.o time.o log.o iprintable.o panic.o keyboard.o memorymanagement.o scheduler.o syscall.o application.o pong.o sound.o pci.o uart.o conway.o test.o http.o vgaterminal.o serialterminal.o descriptors.o device.o vga.o ../libmaxsi/libmaxsi-sortix.a
JSOBJS:=$(subst .o,-js.o,$(OBJS))

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@ -29,40 +29,5 @@ namespace Sortix
{
namespace X64
{
void OutPortB(uint16_t Port, uint8_t Value)
{
asm volatile ("outb %1, %0" : : "dN" (Port), "a" (Value));
}
void OutPortW(uint16_t Port, uint16_t Value)
{
asm volatile ("outw %1, %0" : : "dN" (Port), "a" (Value));
}
void OutPortL(uint16_t Port, uint32_t Value)
{
asm volatile ("outl %1, %0" : : "dN" (Port), "a" (Value));
}
uint8_t InPortB(uint16_t Port)
{
uint8_t Result;
asm volatile("inb %1, %0" : "=a" (Result) : "dN" (Port));
return Result;
}
uint16_t InPortW(uint16_t Port)
{
uint16_t Result;
asm volatile("inw %1, %0" : "=a" (Result) : "dN" (Port));
return Result;
}
uint32_t InPortL(uint16_t Port)
{
uint32_t Result;
asm volatile("inl %1, %0" : "=a" (Result) : "dN" (Port));
return Result;
}
}
}

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@ -17,7 +17,7 @@
You should have received a copy of the GNU General Public License along
with Sortix. If not, see <http://www.gnu.org/licenses/>.
x64
x64.h
CPU stuff for the x64 platform.
******************************************************************************/
@ -25,17 +25,12 @@
#ifndef SORTIX_X64_H
#define SORTIX_X64_H
#include "../x86-family/x86-family.h"
namespace Sortix
{
namespace X64
{
void OutPortB(uint16_t Port, uint8_t Value);
void OutPortW(uint16_t Port, uint16_t Value);
void OutPortL(uint16_t Port, uint32_t Value);
uint8_t InPortB(uint16_t Port);
uint16_t InPortW(uint16_t Port);
uint32_t InPortL(uint16_t Port);
struct InterruptRegisters
{
uint64_t cr2;

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@ -0,0 +1,102 @@
/******************************************************************************
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
This file is part of Sortix.
Sortix is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.
Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License along
with Sortix. If not, see <http://www.gnu.org/licenses/>.
x86-family.cpp
CPU stuff for the x86 CPU family.
******************************************************************************/
#include <libmaxsi/platform.h>
namespace Sortix
{
namespace CPU
{
void OutPortB(uint16_t Port, uint8_t Value)
{
asm volatile ("outb %1, %0" : : "dN" (Port), "a" (Value));
}
void OutPortW(uint16_t Port, uint16_t Value)
{
asm volatile ("outw %1, %0" : : "dN" (Port), "a" (Value));
}
void OutPortL(uint16_t Port, uint32_t Value)
{
asm volatile ("outl %1, %0" : : "dN" (Port), "a" (Value));
}
uint8_t InPortB(uint16_t Port)
{
uint8_t Result;
asm volatile("inb %1, %0" : "=a" (Result) : "dN" (Port));
return Result;
}
uint16_t InPortW(uint16_t Port)
{
uint16_t Result;
asm volatile("inw %1, %0" : "=a" (Result) : "dN" (Port));
return Result;
}
uint32_t InPortL(uint16_t Port)
{
uint32_t Result;
asm volatile("inl %1, %0" : "=a" (Result) : "dN" (Port));
return Result;
}
void Reboot()
{
// Keyboard interface IO port: data and control.
const uint16_t KEYBOARD_INTERFACE = 0x64;
// Keyboard IO port.
const uint16_t KEYBOARD_IO = 0x60;
// Keyboard data is in buffer (output buffer is empty) (bit 0).
const uint8_t KEYBOARD_DATA = (1<<0);
// User data is in buffer (command buffer is empty) (bit 1).
const uint8_t USER_DATA = (1<<1);
// Disable interrupts.
asm volatile("cli");
// Clear all keyboard buffers (output and command buffers).
uint8_t byte;
do
{
byte = InPortB(KEYBOARD_INTERFACE);
if ( ( byte & KEYBOARD_DATA ) != 0 ) { InPortB(KEYBOARD_IO); }
} while ( ( byte & USER_DATA ) != 0 );
// CPU reset command.
uint8_t KEYBOARD_RESET_CPU = 0xFE;
// Now pulse the CPU reset line and reset.
OutPortB(KEYBOARD_INTERFACE, KEYBOARD_RESET_CPU);
// If that didn't work, just halt.
asm volatile("hlt");
}
}
}

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@ -0,0 +1,43 @@
/******************************************************************************
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
This file is part of Sortix.
Sortix is free software: you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any later
version.
Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
details.
You should have received a copy of the GNU General Public License along
with Sortix. If not, see <http://www.gnu.org/licenses/>.
x86-family.h
CPU stuff for the x86 CPU family.
******************************************************************************/
#ifndef SORTIX_X86_FAMILY_H
#define SORTIX_X86_FAMILY_H
namespace Sortix
{
namespace CPU
{
void OutPortB(uint16_t Port, uint8_t Value);
void OutPortW(uint16_t Port, uint16_t Value);
void OutPortL(uint16_t Port, uint32_t Value);
uint8_t InPortB(uint16_t Port);
uint16_t InPortW(uint16_t Port);
uint32_t InPortL(uint16_t Port);
void Reboot();
}
}
#endif

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@ -29,75 +29,5 @@ namespace Sortix
{
namespace X86
{
void OutPortB(uint16_t Port, uint8_t Value)
{
asm volatile ("outb %1, %0" : : "dN" (Port), "a" (Value));
}
void OutPortW(uint16_t Port, uint16_t Value)
{
asm volatile ("outw %1, %0" : : "dN" (Port), "a" (Value));
}
void OutPortL(uint16_t Port, uint32_t Value)
{
asm volatile ("outl %1, %0" : : "dN" (Port), "a" (Value));
}
uint8_t InPortB(uint16_t Port)
{
uint8_t Result;
asm volatile("inb %1, %0" : "=a" (Result) : "dN" (Port));
return Result;
}
uint16_t InPortW(uint16_t Port)
{
uint16_t Result;
asm volatile("inw %1, %0" : "=a" (Result) : "dN" (Port));
return Result;
}
uint32_t InPortL(uint16_t Port)
{
uint32_t Result;
asm volatile("inl %1, %0" : "=a" (Result) : "dN" (Port));
return Result;
}
void Reboot()
{
// Keyboard interface IO port: data and control.
const uint16_t KEYBOARD_INTERFACE = 0x64;
// Keyboard IO port.
const uint16_t KEYBOARD_IO = 0x60;
// Keyboard data is in buffer (output buffer is empty) (bit 0).
const uint8_t KEYBOARD_DATA = (1<<0);
// User data is in buffer (command buffer is empty) (bit 1).
const uint8_t USER_DATA = (1<<1);
// Disable interrupts.
asm volatile("cli");
// Clear all keyboard buffers (output and command buffers).
uint8_t byte;
do
{
byte = InPortB(KEYBOARD_INTERFACE);
if ( ( byte & KEYBOARD_DATA ) != 0 ) { InPortB(KEYBOARD_IO); }
} while ( ( byte & USER_DATA ) != 0 );
// CPU reset command.
uint8_t KEYBOARD_RESET_CPU = 0xFE;
// Now pulse the CPU reset line and reset.
OutPortB(KEYBOARD_INTERFACE, KEYBOARD_RESET_CPU);
// If that didn't work, just halt.
asm volatile("hlt");
}
}
}

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@ -17,7 +17,7 @@
You should have received a copy of the GNU General Public License along
with Sortix. If not, see <http://www.gnu.org/licenses/>.
x86
x86.h
CPU stuff for the x86 platform.
******************************************************************************/
@ -25,17 +25,12 @@
#ifndef SORTIX_X86_H
#define SORTIX_X86_H
#include "../x86-family/x86-family.h"
namespace Sortix
{
namespace X86
{
void OutPortB(uint16_t Port, uint8_t Value);
void OutPortW(uint16_t Port, uint16_t Value);
void OutPortL(uint16_t Port, uint32_t Value);
uint8_t InPortB(uint16_t Port);
uint16_t InPortW(uint16_t Port);
uint32_t InPortL(uint16_t Port);
struct InterruptRegisters
{
uint32_t cr2;
@ -44,8 +39,6 @@ namespace Sortix
uint32_t int_no, err_code; // Interrupt number and error code (if applicable)
uint32_t eip, cs, eflags, useresp, ss; // Pushed by the processor automatically.
};
void Reboot();
}
}