2007-10-03 Robert Millan <rmh@aybabtu.com>
* include/grub/i386/io.h: New file. * commands/i386/pc/play.c (inb): Removed. (outb): Removed. Include grub/cpu/io.h. Replace inb() with grub_inb() and outb() with grub_outb(). * term/i386/pc/serial.c: Likewise. * term/i386/pc/vga.c: Likewise.
This commit is contained in:
robertmh
parent
1a477ed638
commit
5c58b791cc
10
ChangeLog
10
ChangeLog
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@ -1,3 +1,13 @@
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2007-10-03 Robert Millan <rmh@aybabtu.com>
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* include/grub/i386/io.h: New file.
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* commands/i386/pc/play.c (inb): Removed.
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(outb): Removed.
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Include grub/cpu/io.h. Replace inb() with grub_inb() and outb()
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with grub_outb().
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* term/i386/pc/serial.c: Likewise.
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* term/i386/pc/vga.c: Likewise.
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2007-10-02 Robert Millan <rmh@aybabtu.com>
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* conf/i386-efi.rmk (grub_emu_SOURCES): Add util/hostfs.c.
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1
DISTLIST
1
DISTLIST
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@ -142,6 +142,7 @@ include/grub/i386/types.h
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include/grub/i386/efi/kernel.h
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include/grub/i386/efi/loader.h
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include/grub/i386/efi/time.h
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include/grub/i386/io.h
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include/grub/i386/pc/biosdisk.h
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include/grub/i386/pc/boot.h
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include/grub/i386/pc/chainloader.h
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@ -27,25 +27,10 @@
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#include <grub/term.h>
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#include <grub/misc.h>
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#include <grub/machine/time.h>
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#include <grub/cpu/io.h>
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#define BASE_TEMPO 120
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/* Read a byte from a port. */
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static inline unsigned char
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inb (unsigned short port)
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{
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unsigned char value;
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asm volatile ("inb %w1, %0" : "=a" (value) : "Nd" (port));
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return value;
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}
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/* Write a byte to a port. */
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static inline void
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outb (unsigned short port, unsigned char value)
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{
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asm volatile ("outb %b0, %w1" : : "a" (value), "Nd" (port));
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}
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/* The speaker port. */
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#define SPEAKER 0x61
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@ -130,8 +115,8 @@ beep_off (void)
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{
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unsigned char status;
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status = inb (SPEAKER);
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outb (SPEAKER, status & ~(SPEAKER_TMR2 | SPEAKER_DATA));
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status = grub_inb (SPEAKER);
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grub_outb (SPEAKER, status & ~(SPEAKER_TMR2 | SPEAKER_DATA));
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}
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static void
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@ -148,14 +133,14 @@ beep_on (short pitch)
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counter = PIT_FREQUENCY / pitch;
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/* Program timer 2. */
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outb (PIT_CTRL, PIT_CTRL_SELECT_2 | PIT_CTRL_READLOAD_WORD
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grub_outb (PIT_CTRL, PIT_CTRL_SELECT_2 | PIT_CTRL_READLOAD_WORD
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| PIT_CTRL_SQUAREWAVE_GEN | PIT_CTRL_COUNT_BINARY);
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outb (PIT_COUNTER_2, counter & 0xff); /* LSB */
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outb (PIT_COUNTER_2, (counter >> 8) & 0xff); /* MSB */
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grub_outb (PIT_COUNTER_2, counter & 0xff); /* LSB */
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grub_outb (PIT_COUNTER_2, (counter >> 8) & 0xff); /* MSB */
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/* Start speaker. */
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status = inb (SPEAKER);
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outb (SPEAKER, status | SPEAKER_TMR2 | SPEAKER_DATA);
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status = grub_inb (SPEAKER);
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grub_outb (SPEAKER, status | SPEAKER_TMR2 | SPEAKER_DATA);
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}
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@ -0,0 +1,70 @@
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/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 1996,2000,2002,2007 Free Software Foundation, Inc.
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*
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* Based on sys/io.h from GNU libc. */
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#ifndef GRUB_IO_H
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#define GRUB_IO_H 1
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static __inline unsigned char
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grub_inb (unsigned short int port)
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{
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unsigned char _v;
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__asm__ __volatile__ ("inb %w1,%0":"=a" (_v):"Nd" (port));
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return _v;
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}
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static __inline unsigned short int
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grub_inw (unsigned short int port)
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{
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unsigned short _v;
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__asm__ __volatile__ ("inw %w1,%0":"=a" (_v):"Nd" (port));
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return _v;
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}
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static __inline unsigned int
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grub_inl (unsigned short int port)
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{
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unsigned int _v;
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__asm__ __volatile__ ("inl %w1,%0":"=a" (_v):"Nd" (port));
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return _v;
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}
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static __inline void
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grub_outb (unsigned char value, unsigned short int port)
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{
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__asm__ __volatile__ ("outb %b0,%w1": :"a" (value), "Nd" (port));
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}
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static __inline void
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grub_outw (unsigned short int value, unsigned short int port)
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{
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__asm__ __volatile__ ("outw %w0,%w1": :"a" (value), "Nd" (port));
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}
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static __inline void
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grub_outl (unsigned int value, unsigned short int port)
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{
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__asm__ __volatile__ ("outl %0,%w1": :"a" (value), "Nd" (port));
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}
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#endif /* _SYS_IO_H */
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@ -25,6 +25,7 @@
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#include <grub/normal.h>
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#include <grub/arg.h>
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#include <grub/terminfo.h>
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#include <grub/cpu/io.h>
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#define TEXT_WIDTH 80
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#define TEXT_HEIGHT 25
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@ -62,26 +63,6 @@ struct serial_port
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/* Serial port settings. */
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static struct serial_port serial_settings;
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/* Read a byte from a port. */
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static inline unsigned char
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inb (const unsigned short port)
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{
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unsigned char value;
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asm volatile ("inb %w1, %0" : "=a" (value) : "Nd" (port));
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asm volatile ("outb %%al, $0x80" : : );
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return value;
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}
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/* Write a byte to a port. */
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static inline void
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outb (const unsigned short port, const unsigned char value)
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{
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asm volatile ("outb %b0, %w1" : : "a" (value), "Nd" (port));
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asm volatile ("outb %%al, $0x80" : : );
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}
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/* Return the port number for the UNITth serial device. */
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static inline unsigned short
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serial_hw_get_port (const unsigned short unit)
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@ -95,8 +76,8 @@ serial_hw_get_port (const unsigned short unit)
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static int
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serial_hw_fetch (void)
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{
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if (inb (serial_settings.port + UART_LSR) & UART_DATA_READY)
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return inb (serial_settings.port + UART_RX);
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if (grub_inb (serial_settings.port + UART_LSR) & UART_DATA_READY)
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return grub_inb (serial_settings.port + UART_RX);
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return -1;
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}
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@ -108,14 +89,14 @@ serial_hw_put (const int c)
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unsigned int timeout = 100000;
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/* Wait until the transmitter holding register is empty. */
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while ((inb (serial_settings.port + UART_LSR) & UART_EMPTY_TRANSMITTER) == 0)
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while ((grub_inb (serial_settings.port + UART_LSR) & UART_EMPTY_TRANSMITTER) == 0)
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{
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if (--timeout == 0)
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/* There is something wrong. But what can I do? */
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return;
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}
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outb (serial_settings.port + UART_TX, c);
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grub_outb (serial_settings.port + UART_TX, c);
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}
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static void
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@ -287,26 +268,26 @@ serial_hw_init (void)
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unsigned char status = 0;
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/* Turn off the interupt. */
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outb (serial_settings.port + UART_IER, 0);
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grub_outb (serial_settings.port + UART_IER, 0);
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/* Set DLAB. */
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outb (serial_settings.port + UART_LCR, UART_DLAB);
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grub_outb (serial_settings.port + UART_LCR, UART_DLAB);
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/* Set the baud rate. */
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outb (serial_settings.port + UART_DLL, serial_settings.divisor & 0xFF);
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outb (serial_settings.port + UART_DLH, serial_settings.divisor >> 8 );
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grub_outb (serial_settings.port + UART_DLL, serial_settings.divisor & 0xFF);
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grub_outb (serial_settings.port + UART_DLH, serial_settings.divisor >> 8 );
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/* Set the line status. */
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status |= (serial_settings.parity
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| serial_settings.word_len
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| serial_settings.stop_bits);
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outb (serial_settings.port + UART_LCR, status);
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grub_outb (serial_settings.port + UART_LCR, status);
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/* Enable the FIFO. */
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outb (serial_settings.port + UART_FCR, UART_ENABLE_FIFO);
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grub_outb (serial_settings.port + UART_FCR, UART_ENABLE_FIFO);
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/* Turn on DTR, RTS, and OUT2. */
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outb (serial_settings.port + UART_MCR, UART_ENABLE_MODEM);
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grub_outb (serial_settings.port + UART_MCR, UART_ENABLE_MODEM);
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/* Drain the input buffer. */
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while (grub_serial_checkkey () != -1)
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@ -66,26 +66,6 @@ static unsigned char *vga_font;
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static unsigned char saved_map_mask;
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static int page = 0;
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/* Read a byte from a port. */
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static inline unsigned char
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inb (unsigned short port)
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{
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unsigned char value;
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asm volatile ("inb %w1, %0" : "=a" (value) : "Nd" (port));
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asm volatile ("outb %%al, $0x80" : : );
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return value;
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}
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/* Write a byte to a port. */
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static inline void
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outb (unsigned short port, unsigned char value)
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{
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asm volatile ("outb %b0, %w1" : : "a" (value), "Nd" (port));
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asm volatile ("outb %%al, $0x80" : : );
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}
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#define SEQUENCER_ADDR_PORT 0x3C4
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#define SEQUENCER_DATA_PORT 0x3C5
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#define MAP_MASK_REGISTER 0x02
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wait_vretrace (void)
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{
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/* Wait until there is a vertical retrace. */
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while (! (inb (INPUT_STATUS1_REGISTER) & INPUT_STATUS1_VERTR_BIT));
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while (! (grub_inb (INPUT_STATUS1_REGISTER) & INPUT_STATUS1_VERTR_BIT));
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}
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/* Get Map Mask Register. */
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@ -116,12 +96,12 @@ get_map_mask (void)
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unsigned char old_addr;
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unsigned char old_data;
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old_addr = inb (SEQUENCER_ADDR_PORT);
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outb (SEQUENCER_ADDR_PORT, MAP_MASK_REGISTER);
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old_addr = grub_inb (SEQUENCER_ADDR_PORT);
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grub_outb (SEQUENCER_ADDR_PORT, MAP_MASK_REGISTER);
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old_data = inb (SEQUENCER_DATA_PORT);
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old_data = grub_inb (SEQUENCER_DATA_PORT);
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outb (SEQUENCER_ADDR_PORT, old_addr);
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grub_outb (SEQUENCER_ADDR_PORT, old_addr);
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return old_data;
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}
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@ -132,12 +112,12 @@ set_map_mask (unsigned char mask)
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{
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unsigned char old_addr;
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old_addr = inb (SEQUENCER_ADDR_PORT);
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outb (SEQUENCER_ADDR_PORT, MAP_MASK_REGISTER);
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old_addr = grub_inb (SEQUENCER_ADDR_PORT);
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grub_outb (SEQUENCER_ADDR_PORT, MAP_MASK_REGISTER);
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outb (SEQUENCER_DATA_PORT, mask);
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grub_outb (SEQUENCER_DATA_PORT, mask);
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outb (SEQUENCER_ADDR_PORT, old_addr);
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grub_outb (SEQUENCER_ADDR_PORT, old_addr);
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}
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/* Set Read Map Register. */
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@ -146,12 +126,12 @@ set_read_map (unsigned char map)
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{
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unsigned char old_addr;
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old_addr = inb (GRAPHICS_ADDR_PORT);
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old_addr = grub_inb (GRAPHICS_ADDR_PORT);
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outb (GRAPHICS_ADDR_PORT, READ_MAP_REGISTER);
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outb (GRAPHICS_DATA_PORT, map);
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grub_outb (GRAPHICS_ADDR_PORT, READ_MAP_REGISTER);
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grub_outb (GRAPHICS_DATA_PORT, map);
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outb (GRAPHICS_ADDR_PORT, old_addr);
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grub_outb (GRAPHICS_ADDR_PORT, old_addr);
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}
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/* Set start address. */
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@ -160,15 +140,15 @@ set_start_address (unsigned int start)
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{
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unsigned char old_addr;
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old_addr = inb (CRTC_ADDR_PORT);
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old_addr = grub_inb (CRTC_ADDR_PORT);
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outb (CRTC_ADDR_PORT, START_ADDR_LOW_REGISTER);
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outb (CRTC_DATA_PORT, start & 0xFF);
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grub_outb (CRTC_ADDR_PORT, START_ADDR_LOW_REGISTER);
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grub_outb (CRTC_DATA_PORT, start & 0xFF);
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outb (CRTC_ADDR_PORT, START_ADDR_HIGH_REGISTER);
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outb (CRTC_DATA_PORT, start >> 8);
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grub_outb (CRTC_ADDR_PORT, START_ADDR_HIGH_REGISTER);
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grub_outb (CRTC_DATA_PORT, start >> 8);
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outb (CRTC_ADDR_PORT, old_addr);
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grub_outb (CRTC_ADDR_PORT, old_addr);
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}
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static grub_err_t
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Loading…
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