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Update kernel/x86-family/x86-family.{cpp,h} to current coding conventions.
This commit is contained in:
Jonas 'Sortie' Termansen
parent
cacd010066
commit
6d79781497
2 changed files with 125 additions and 115 deletions
kernel/x86-family
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@ -22,87 +22,90 @@
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*******************************************************************************/
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#include <stdint.h>
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#include <sortix/kernel/kernel.h>
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namespace Sortix
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namespace Sortix {
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namespace CPU {
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void OutPortB(uint16_t port, uint8_t value)
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{
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namespace CPU
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{
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void OutPortB(uint16_t Port, uint8_t Value)
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{
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asm volatile ("outb %1, %0" : : "dN" (Port), "a" (Value));
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}
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void OutPortW(uint16_t Port, uint16_t Value)
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{
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asm volatile ("outw %1, %0" : : "dN" (Port), "a" (Value));
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}
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void OutPortL(uint16_t Port, uint32_t Value)
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{
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asm volatile ("outl %1, %0" : : "dN" (Port), "a" (Value));
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}
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uint8_t InPortB(uint16_t Port)
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{
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uint8_t Result;
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asm volatile("inb %1, %0" : "=a" (Result) : "dN" (Port));
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return Result;
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}
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uint16_t InPortW(uint16_t Port)
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{
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uint16_t Result;
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asm volatile("inw %1, %0" : "=a" (Result) : "dN" (Port));
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return Result;
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}
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uint32_t InPortL(uint16_t Port)
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{
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uint32_t Result;
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asm volatile("inl %1, %0" : "=a" (Result) : "dN" (Port));
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return Result;
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}
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void Reboot()
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{
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// Keyboard interface IO port: data and control.
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const uint16_t KEYBOARD_INTERFACE = 0x64;
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// Keyboard IO port.
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const uint16_t KEYBOARD_IO = 0x60;
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// Keyboard data is in buffer (output buffer is empty) (bit 0).
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const uint8_t KEYBOARD_DATA = (1<<0);
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// User data is in buffer (command buffer is empty) (bit 1).
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const uint8_t USER_DATA = (1<<1);
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// Disable interrupts.
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asm volatile("cli");
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// Clear all keyboard buffers (output and command buffers).
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uint8_t byte;
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do
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{
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byte = InPortB(KEYBOARD_INTERFACE);
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if ( ( byte & KEYBOARD_DATA ) != 0 ) { InPortB(KEYBOARD_IO); }
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} while ( ( byte & USER_DATA ) != 0 );
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// CPU reset command.
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uint8_t KEYBOARD_RESET_CPU = 0xFE;
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// Now pulse the CPU reset line and reset.
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OutPortB(KEYBOARD_INTERFACE, KEYBOARD_RESET_CPU);
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// If that didn't work, just halt.
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asm volatile("hlt");
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}
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void ShutDown()
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{
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// TODO: Unimplemented, just reboot.
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Reboot();
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}
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}
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asm volatile ("outb %1, %0" : : "dN" (port), "a" (value));
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}
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void OutPortW(uint16_t port, uint16_t value)
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{
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asm volatile ("outw %1, %0" : : "dN" (port), "a" (value));
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}
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void OutPortL(uint16_t port, uint32_t value)
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{
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asm volatile ("outl %1, %0" : : "dN" (port), "a" (value));
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}
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uint8_t InPortB(uint16_t port)
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{
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uint8_t result;
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asm volatile("inb %1, %0" : "=a" (result) : "dN" (port));
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return result;
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}
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uint16_t InPortW(uint16_t port)
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{
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uint16_t result;
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asm volatile("inw %1, %0" : "=a" (result) : "dN" (port));
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return result;
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}
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uint32_t InPortL(uint16_t port)
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{
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uint32_t result;
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asm volatile("inl %1, %0" : "=a" (result) : "dN" (port));
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return result;
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}
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void Reboot()
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{
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// Keyboard interface IO port: data and control.
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const uint16_t KEYBOARD_INTERFACE = 0x64;
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// Keyboard IO port.
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const uint16_t KEYBOARD_IO = 0x60;
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// Keyboard data is in buffer (output buffer is empty) (bit 0).
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const uint8_t KEYBOARD_DATA = 1 << 0;
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// User data is in buffer (command buffer is empty) (bit 1).
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const uint8_t USER_DATA = 1 << 1;
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// Disable interrupts.
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asm volatile("cli");
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// Clear all keyboard buffers (output and command buffers).
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uint8_t byte;
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do
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{
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byte = InPortB(KEYBOARD_INTERFACE);
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if ( byte & KEYBOARD_DATA )
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InPortB(KEYBOARD_IO);
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} while ( byte & USER_DATA );
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// CPU reset command.
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uint8_t KEYBOARD_RESET_CPU = 0xFE;
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// Now pulse the CPU reset line and reset.
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OutPortB(KEYBOARD_INTERFACE, KEYBOARD_RESET_CPU);
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// If that didn't work, just halt.
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asm volatile("hlt");
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}
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void ShutDown()
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{
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// TODO: Unimplemented, just reboot.
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Reboot();
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}
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} // namespace CPU
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} // namespace Sortix
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@ -25,41 +25,48 @@
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#ifndef SORTIX_X86_FAMILY_H
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#define SORTIX_X86_FAMILY_H
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namespace Sortix
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{
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namespace CPU
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{
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void OutPortB(uint16_t Port, uint8_t Value);
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void OutPortW(uint16_t Port, uint16_t Value);
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void OutPortL(uint16_t Port, uint32_t Value);
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uint8_t InPortB(uint16_t Port);
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uint16_t InPortW(uint16_t Port);
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uint32_t InPortL(uint16_t Port);
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void Reboot();
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void ShutDown();
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}
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#include <stddef.h>
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#include <stdint.h>
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const size_t FLAGS_CARRY = (1<<0); // 0x000001
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const size_t FLAGS_RESERVED1 = (1<<1); // 0x000002, read as one
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const size_t FLAGS_PARITY = (1<<2); // 0x000004
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const size_t FLAGS_RESERVED2 = (1<<3); // 0x000008
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const size_t FLAGS_AUX = (1<<4); // 0x000010
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const size_t FLAGS_RESERVED3 = (1<<5); // 0x000020
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const size_t FLAGS_ZERO = (1<<6); // 0x000040
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const size_t FLAGS_SIGN = (1<<7); // 0x000080
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const size_t FLAGS_TRAP = (1<<8); // 0x000100
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const size_t FLAGS_INTERRUPT = (1<<9); // 0x000200
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const size_t FLAGS_DIRECTION = (1<<10); // 0x000400
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const size_t FLAGS_OVERFLOW = (1<<11); // 0x000800
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const size_t FLAGS_IOPRIVLEVEL = (1<<12) | (1<<13);
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const size_t FLAGS_NESTEDTASK = (1<<14); // 0x004000
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const size_t FLAGS_RESERVED4 = (1<<15); // 0x008000
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const size_t FLAGS_RESUME = (1<<16); // 0x010000
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const size_t FLAGS_VIRTUAL8086 = (1<<17); // 0x020000
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const size_t FLAGS_ALIGNCHECK = (1<<18); // 0x040000
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const size_t FLAGS_VIRTINTR = (1<<19); // 0x080000
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const size_t FLAGS_VIRTINTRPEND = (1<<20); // 0x100000
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const size_t FLAGS_ID = (1<<21); // 0x200000
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}
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namespace Sortix {
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namespace CPU {
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void OutPortB(uint16_t port, uint8_t value);
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void OutPortW(uint16_t port, uint16_t value);
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void OutPortL(uint16_t port, uint32_t value);
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uint8_t InPortB(uint16_t port);
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uint16_t InPortW(uint16_t port);
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uint32_t InPortL(uint16_t port);
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void Reboot();
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void ShutDown();
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} // namespace CPU
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} // namespace Sortix
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namespace Sortix {
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const size_t FLAGS_CARRY = 1 << 0; // 0x000001
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const size_t FLAGS_RESERVED1 = 1 << 1; // 0x000002, read as one
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const size_t FLAGS_PARITY = 1 << 2; // 0x000004
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const size_t FLAGS_RESERVED2 = 1 << 3; // 0x000008
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const size_t FLAGS_AUX = 1 << 4; // 0x000010
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const size_t FLAGS_RESERVED3 = 1 << 5; // 0x000020
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const size_t FLAGS_ZERO = 1 << 6; // 0x000040
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const size_t FLAGS_SIGN = 1 << 7; // 0x000080
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const size_t FLAGS_TRAP = 1 << 8; // 0x000100
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const size_t FLAGS_INTERRUPT = 1 << 9; // 0x000200
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const size_t FLAGS_DIRECTION = 1 << 10; // 0x000400
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const size_t FLAGS_OVERFLOW = 1 << 11; // 0x000800
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const size_t FLAGS_IOPRIVLEVEL = 1 << 12) | 1 << 13;
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const size_t FLAGS_NESTEDTASK = 1 << 14; // 0x004000
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const size_t FLAGS_RESERVED4 = 1 << 15; // 0x008000
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const size_t FLAGS_RESUME = 1 << 16; // 0x010000
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const size_t FLAGS_VIRTUAL8086 = 1 << 17; // 0x020000
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const size_t FLAGS_ALIGNCHECK = 1 << 18; // 0x040000
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const size_t FLAGS_VIRTINTR = 1 << 19; // 0x080000
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const size_t FLAGS_VIRTINTRPEND = 1 << 20; // 0x100000
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const size_t FLAGS_ID = 1 << 21; // 0x200000
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} // namespace Sortix
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#endif
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