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QEMU i486: New QEMU keyboard and VGA drivers from Lizhuoyi
This commit is contained in:
Gregory Nutt
@@ -6,4 +6,17 @@
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if ARCH_CHIP_QEMU
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comment "QEMU Configuration Options"
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config QEMU_KEYPAD
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bool "QEMU Keypad"
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default n
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---help---
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Enable support for the QEMU keypad. See qemu_keypad.h for
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interfaces.
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config QEMU_VGA
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bool "QEMU VGA"
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default n
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---help---
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Enable support for the QEMU VGA. See qemu_vga.h for interfaces.
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endif
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+22
-13
@@ -1,7 +1,7 @@
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############################################################################
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# arch/x86/src/qemu/Make.defs
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#
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# Copyright (C) 2011 Gregory Nutt. All rights reserved.
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# Copyright (C) 2011, 2014 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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@@ -35,23 +35,32 @@
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# The start-up, "head", file
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HEAD_ASRC = qemu_head.S
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HEAD_ASRC = qemu_head.S
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# Common x86 and i486 files
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CMN_ASRCS = i486_utils.S up_syscall6.S
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CMN_CSRCS = up_allocateheap.c up_assert.c up_blocktask.c up_copystate.c \
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up_createstack.c up_mdelay.c up_udelay.c up_exit.c\
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up_initialize.c up_initialstate.c up_interruptcontext.c up_irq.c \
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up_modifyreg8.c up_modifyreg16.c up_modifyreg32.c up_regdump.c \
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up_releasepending.c up_releasestack.c up_reprioritizertr.c \
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up_savestate.c up_sigdeliver.c up_schedulesigaction.c up_unblocktask.c \
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up_usestack.c
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CMN_ASRCS = i486_utils.S up_syscall6.S
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CMN_CSRCS += up_allocateheap.c up_assert.c up_blocktask.c up_copystate.c
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CMN_CSRCS += up_createstack.c up_mdelay.c up_udelay.c up_exit.c
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CMN_CSRCS += up_initialize.c up_initialstate.c up_interruptcontext.c
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CMN_CSRCS += up_irq.c up_modifyreg8.c up_modifyreg16.c up_modifyreg32.c
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CMN_CSRCS += up_regdump.c up_releasepending.c up_releasestack.c
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CMN_CSRCS += up_reprioritizertr.c up_savestate.c up_sigdeliver.c
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CMN_CSRCS += up_schedulesigaction.c up_unblocktask.c up_usestack.c
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# Required QEMU files
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CHIP_ASRCS = qemu_saveusercontext.S qemu_fullcontextrestore.S qemu_vectors.S
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CHIP_CSRCS = qemu_handlers.c qemu_idle.c qemu_lowputc.c qemu_lowsetup.c \
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qemu_serial.c qemu_timerisr.c
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CHIP_ASRCS = qemu_saveusercontext.S qemu_fullcontextrestore.S qemu_vectors.S
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CHIP_CSRCS = qemu_handlers.c qemu_idle.c qemu_lowputc.c qemu_lowsetup.c
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CHIP_CSRCS += qemu_serial.c qemu_timerisr.c
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# Configuration-dependent QEMU files
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ifeq ($(CONFIG_QEMU_KEYPAD),y)
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CHIP_CSRCS += qemu_keypad.c
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endif
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ifeq ($(CONFIG_QEMU_VGA),y)
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CHIP_CSRCS += qemu_vga.c
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endif
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@@ -0,0 +1,322 @@
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/****************************************************************************
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* arch/x86/src/qemu_keypad.c
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*
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* Copyright (C) 2013 Li Zhuoyi. All rights reserved.
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* Author: Li Zhuoyi <lzyy.cn@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/arch.h>
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#include <nuttx/irq.h>
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#include <nuttx/fs/fs.h>
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#include <stdint.h>
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#include <semaphore.h>
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#include <errno.h>
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#include <unistd.h>
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#include <sched.h>
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#include <arch/io.h>
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/****************************************************************************
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* Private Types
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****************************************************************************/
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typedef enum
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{
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/* The keyboard syms have been cleverly chosen to map to ASCII */
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KEY_UNKNOWN = 0,
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KEY_NOKEY = 0,
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KEY_FIRST = 0,
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KEY_BACKSPACE = 8,
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KEY_TAB = 9,
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KEY_CLEAR = 12,
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KEY_RETURN = 13,
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KEY_PAUSE = 19,
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KEY_ESCAPE = 27,
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KEY_SPACE = 32,
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KEY_EXCLAIM = 33,
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KEY_QUOTEDBL = 34,
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KEY_HASH = 35,
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KEY_DOLLAR = 36,
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KEY_AMPERSAND = 38,
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KEY_QUOTE = 39,
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KEY_LEFTPAREN = 40,
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KEY_RIGHTPAREN = 41,
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KEY_ASTERISK = 42,
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KEY_PLUS = 43,
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KEY_COMMA = 44,
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KEY_MINUS = 45,
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KEY_PERIOD = 46,
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KEY_SLASH = 47,
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KEY_0 = 48,
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KEY_1 = 49,
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KEY_2 = 50,
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KEY_3 = 51,
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KEY_4 = 52,
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KEY_5 = 53,
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KEY_6 = 54,
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KEY_7 = 55,
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KEY_8 = 56,
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KEY_9 = 57,
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KEY_COLON = 58,
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KEY_SEMICOLON = 59,
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KEY_LESS = 60,
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KEY_EQUALS = 61,
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KEY_GREATER = 62,
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KEY_QUESTION = 63,
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KEY_AT = 64,
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KEY_LEFTBRACKET = 91,
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KEY_BACKSLASH = 92,
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KEY_RIGHTBRACKET = 93,
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KEY_CARET = 94,
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KEY_UNDERSCORE = 95,
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KEY_BACKQUOTE = 96,
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KEY_a = 97,
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KEY_b = 98,
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KEY_c = 99,
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KEY_d = 100,
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KEY_e = 101,
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KEY_f = 102,
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KEY_g = 103,
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KEY_h = 104,
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KEY_i = 105,
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KEY_j = 106,
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KEY_k = 107,
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KEY_l = 108,
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KEY_m = 109,
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KEY_n = 110,
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KEY_o = 111,
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KEY_p = 112,
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KEY_q = 113,
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KEY_r = 114,
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KEY_s = 115,
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KEY_t = 116,
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KEY_u = 117,
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KEY_v = 118,
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KEY_w = 119,
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KEY_x = 120,
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KEY_y = 121,
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KEY_z = 122,
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KEY_DELETE = 127,
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KEY_DEBUG = 138, /* 0x80+0x0a */
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/* Arrows + Home/End pad */
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KEY_S100 = 173,
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KEY_UP = 173,
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KEY_DOWN = 174,
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KEY_RIGHT = 175,
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KEY_LEFT = 176,
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KEY_INSERT = 177,
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KEY_HOME = 178,
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KEY_END = 179,
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KEY_PAGEUP = 180,
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KEY_PAGEDOWN = 181,
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/* Function keys */
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KEY_F1 = 182,
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KEY_F2 = 183,
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KEY_F3 = 184,
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KEY_F4 = 185,
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KEY_F5 = 186,
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KEY_F6 = 187,
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KEY_F7 = 188,
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KEY_F8 = 189,
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KEY_F9 = 190,
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KEY_F10 = 191,
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KEY_F11 = 192,
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KEY_F12 = 193,
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KEY_F13 = 194,
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KEY_F14 = 195,
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KEY_F15 = 196,
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/* Key state modifier keys */
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KEY_NUMLOCK = 200,
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KEY_CAPSLOCK = 201,
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KEY_SCROLLOCK = 202,
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KEY_RSHIFT = 203,
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KEY_LSHIFT = 204,
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KEY_RCTRL = 205,
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KEY_LCTRL = 206,
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KEY_RALT = 207,
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KEY_LALT = 208,
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KEY_RMETA = 209,
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KEY_LMETA = 210,
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KEY_LSUPER = 211, /* Left "Windows" key */
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KEY_RSUPER = 212, /* Right "Windows" key */
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KEY_MODE = 213, /* "Alt Gr" key */
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KEY_COMPOSE = 214, /* Multi-key compose key */
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/* Miscellaneous function keys */
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KEY_HELP = 215,
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KEY_PRINT = 216,
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KEY_SYSREQ = 217,
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KEY_BREAK = 218,
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KEY_QUIT = 250,
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/* Add any other keys here */
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KEY_LAST
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} MDKKey;
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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static int keypad_open(struct file *filep);
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static int keypad_close(struct file *filep);
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static ssize_t keypad_read(struct file *filep, FAR char *buf, size_t buflen);
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/****************************************************************************
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* Private Data
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****************************************************************************/
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static const unsigned char g_kdbus[128] =
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{
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0, KEY_QUIT, '1', '2', '3', '4', '5', '6', '7', '8', /* 9 */
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'9', '0', '-', '=', '\b', /* Backspace */
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'\t', /* Tab */
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'q', 'w', 'e', 'r', /* 19 */
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't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\n', /* Enter key */
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0, /* 29 - Control */
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'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', /* 39 */
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'\'', '`', 0, /* Left shift */
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'\\', 'z', 'x', 'c', 'v', 'b', 'n', /* 49 */
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'm', ',', '.', '/', 0, /* Right shift */
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'*',
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0, /* Alt */
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' ', /* Space bar */
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0, /* Caps lock */
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KEY_F1, /* 59 - F1 key ... > */
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KEY_F2, KEY_F3, KEY_F4, KEY_F5, KEY_F6, KEY_F7, KEY_F8, KEY_F9,
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KEY_F10, /* < ... F10 */
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0, /* 69 - Num lock*/
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0, /* Scroll Lock */
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KEY_HOME, /* Home key */
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KEY_UP, /* Up Arrow */
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KEY_PAGEUP, /* Page Up */
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'-',
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KEY_LEFT, /* Left Arrow */
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0,
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KEY_RIGHT, /* Right Arrow */
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'+',
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KEY_END, /* 79 - End key*/
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KEY_DOWN, /* Down Arrow */
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KEY_PAGEDOWN, /* Page Down */
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KEY_INSERT, /* Insert Key */
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KEY_DELETE, /* Delete Key */
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0, 0, 0,
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0, /* F11 Key */
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0, /* F12 Key */
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0, /* All other keys are undefined */
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};
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static const struct file_operations g_keypadops =
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{
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keypad_open, /* open */
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keypad_close, /* close */
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keypad_read, /* read */
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0, /* write */
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0, /* seek */
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0, /* ioctl */
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};
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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static int keypad_open(struct file *filep)
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{
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return OK;
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}
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static int keypad_close(struct file *filep)
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{
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return OK;
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}
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static ssize_t keypad_read(struct file *filep, FAR char *buf, size_t buflen)
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{
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uint_fast8_t keycode = 0;
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uint_fast8_t scancode = 0;
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uint_fast8_t keyflags;
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if (buf == NULL || buflen < 1)
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{
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/* Well... nothing to do */
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return -EINVAL;
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}
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keyflags = inb(0x64);
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if (keyflags & 0x01)
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{
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scancode = inb(0x60);
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if ((scancode & 0x80) == 0)
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{
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keycode = g_kdbus[scancode];
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//printf("%02x ",scancode);
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buf[0] = keycode;
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return 1;
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}
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}
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return 0;
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: qemu_keypad
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*
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* Description:
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* Registers the QEMU keypad driver
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*
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****************************************************************************/
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void qemu_keypad(void)
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{
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(void)register_driver("/dev/keypad", &g_keypadops, 0444, NULL);
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}
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File diff suppressed because it is too large
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