mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-29 12:03:03 +00:00
400 lines
11 KiB
C
400 lines
11 KiB
C
/*-
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* Copyright (c) 1999 FreeBSD(98) Porting Team.
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* All rights reserved.
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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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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer as
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* the first lines of this file unmodified.
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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 the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include "opt_syscons.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/consio.h>
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#include <sys/fbio.h>
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#include <machine/md_var.h>
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#include <dev/fb/fbreg.h>
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#include <dev/syscons/syscons.h>
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#define ATTR_OFFSET_FB 0x2000
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#define attr_offset(vtb) ((vtb)->vtb_size*sizeof(u_int16_t))
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#define vtb_pointer(vtb, at) \
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((vtb)->vtb_buffer + sizeof(u_int16_t)*(at))
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#define vtb_wrap(vtb, at, offset) \
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(((at) + (offset) + (vtb)->vtb_size)%(vtb)->vtb_size)
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static u_int8_t ibmpc_to_pc98[256] = {
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0x01, 0x21, 0x81, 0xa1, 0x41, 0x61, 0xc1, 0xe1,
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0x09, 0x29, 0x89, 0xa9, 0x49, 0x69, 0xc9, 0xe9,
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0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 0x25,
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0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 0x25, 0x25,
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0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
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0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85, 0x85,
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0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5,
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0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5, 0xa5,
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0x45, 0x45, 0x45, 0x45, 0x45, 0x45, 0x45, 0x45,
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0x45, 0x45, 0x45, 0x45, 0x45, 0x45, 0x45, 0x45,
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0x65, 0x65, 0x65, 0x65, 0x65, 0x65, 0x65, 0x65,
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0x65, 0x65, 0x65, 0x65, 0x65, 0x65, 0x65, 0x65,
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0xc5, 0xc5, 0xc5, 0xc5, 0xc5, 0xc5, 0xc5, 0xc5,
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0xc5, 0xc5, 0xc5, 0xc5, 0xc5, 0xc5, 0xc5, 0xc5,
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0xe5, 0xe5, 0xe5, 0xe5, 0xe5, 0xe5, 0xe5, 0xe5,
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0xe5, 0xe5, 0xe5, 0xe5, 0xe5, 0xe5, 0xe5, 0xe5,
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0x03, 0x23, 0x83, 0xa3, 0x43, 0x63, 0xc3, 0xe3,
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0x0b, 0x2b, 0x8b, 0xab, 0x4b, 0x6b, 0xcb, 0xeb,
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0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f,
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0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f,
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0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f,
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0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f, 0x8f,
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0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf,
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0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf, 0xaf,
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0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f,
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0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f, 0x4f,
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0x6f, 0x6f, 0x6f, 0x6f, 0x6f, 0x6f, 0x6f, 0x6f,
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0x6f, 0x6f, 0x6f, 0x6f, 0x6f, 0x6f, 0x6f, 0x6f,
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0xcf, 0xcf, 0xcf, 0xcf, 0xcf, 0xcf, 0xcf, 0xcf,
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0xcf, 0xcf, 0xcf, 0xcf, 0xcf, 0xcf, 0xcf, 0xcf,
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0xef, 0xef, 0xef, 0xef, 0xef, 0xef, 0xef, 0xef,
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0xef, 0xef, 0xef, 0xef, 0xef, 0xef, 0xef, 0xef,
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};
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#define at2pc98(attr) ((attr) | ibmpc_to_pc98[(unsigned)(attr) >> 8])
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void
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sc_vtb_init(sc_vtb_t *vtb, int type, int cols, int rows, void *buf, int wait)
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{
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vtb->vtb_flags = 0;
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vtb->vtb_type = type;
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vtb->vtb_cols = cols;
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vtb->vtb_rows = rows;
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vtb->vtb_size = cols*rows;
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vtb->vtb_buffer = 0;
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vtb->vtb_tail = 0;
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switch (type) {
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case VTB_MEMORY:
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case VTB_RINGBUFFER:
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if ((buf == NULL) && (cols*rows != 0)) {
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vtb->vtb_buffer =
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(vm_offset_t)malloc(cols*rows*sizeof(u_int16_t)*2,
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M_DEVBUF,
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((wait) ? M_WAITOK : M_NOWAIT) | M_ZERO);
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if (vtb->vtb_buffer != 0) {
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vtb->vtb_flags |= VTB_ALLOCED;
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}
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} else {
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vtb->vtb_buffer = (vm_offset_t)buf;
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}
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vtb->vtb_flags |= VTB_VALID;
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break;
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case VTB_FRAMEBUFFER:
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vtb->vtb_buffer = (vm_offset_t)buf;
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vtb->vtb_flags |= VTB_VALID;
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break;
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default:
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break;
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}
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}
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void
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sc_vtb_destroy(sc_vtb_t *vtb)
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{
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vm_offset_t p;
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vtb->vtb_cols = 0;
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vtb->vtb_rows = 0;
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vtb->vtb_size = 0;
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vtb->vtb_tail = 0;
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p = vtb->vtb_buffer;
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vtb->vtb_buffer = 0;
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switch (vtb->vtb_type) {
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case VTB_MEMORY:
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case VTB_RINGBUFFER:
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if ((vtb->vtb_flags & VTB_ALLOCED) && (p != 0))
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free((void *)p, M_DEVBUF);
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break;
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default:
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break;
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}
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vtb->vtb_flags = 0;
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vtb->vtb_type = VTB_INVALID;
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}
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size_t
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sc_vtb_size(int cols, int rows)
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{
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return (size_t)(cols*rows*sizeof(u_int16_t)*2);
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}
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int
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sc_vtb_getc(sc_vtb_t *vtb, int at)
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{
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vm_offset_t p = vtb_pointer(vtb, at);
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if (vtb->vtb_type == VTB_FRAMEBUFFER)
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return (readw(p) & 0x00ff);
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else
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return (*(u_int16_t *)p & 0x00ff);
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}
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int
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sc_vtb_geta(sc_vtb_t *vtb, int at)
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{
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vm_offset_t p = vtb_pointer(vtb, at);
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if (vtb->vtb_type == VTB_FRAMEBUFFER)
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return (readw(p + ATTR_OFFSET_FB) & 0xff00);
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else
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return (*(u_int16_t *)(p + attr_offset(vtb)) & 0xff00);
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}
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__inline static void
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vtb_putc(sc_vtb_t *vtb, vm_offset_t p, int c, int a)
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{
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if (vtb->vtb_type == VTB_FRAMEBUFFER) {
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writew(p, c);
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writew(p + ATTR_OFFSET_FB, at2pc98(a));
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} else {
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*(u_int16_t *)p = c;
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*(u_int16_t *)(p + attr_offset(vtb)) = at2pc98(a);
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}
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}
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void
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sc_vtb_putc(sc_vtb_t *vtb, int at, int c, int a)
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{
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vtb_putc(vtb, vtb_pointer(vtb, at), c, a);
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}
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vm_offset_t
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sc_vtb_putchar(sc_vtb_t *vtb, vm_offset_t p, int c, int a)
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{
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vtb_putc(vtb, p, c, a);
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return (p + sizeof(u_int16_t));
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}
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vm_offset_t
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sc_vtb_pointer(sc_vtb_t *vtb, int at)
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{
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return (vtb_pointer(vtb, at));
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}
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int
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sc_vtb_pos(sc_vtb_t *vtb, int pos, int offset)
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{
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return ((pos + offset + vtb->vtb_size)%vtb->vtb_size);
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}
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void
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sc_vtb_clear(sc_vtb_t *vtb, int c, int attr)
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{
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vm_offset_t p = vtb_pointer(vtb, 0);
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if (vtb->vtb_type == VTB_FRAMEBUFFER) {
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fillw_io(c, p, vtb->vtb_size);
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fillw_io(at2pc98(attr), p + ATTR_OFFSET_FB, vtb->vtb_size);
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} else {
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fillw(c, (void *)p, vtb->vtb_size);
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fillw(at2pc98(attr), (void *)(p + attr_offset(vtb)),
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vtb->vtb_size);
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}
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}
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void
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sc_vtb_copy(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, int to, int count)
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{
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vm_offset_t p1, p2;
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p1 = vtb_pointer(vtb1, from);
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p2 = vtb_pointer(vtb2, to);
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if (vtb2->vtb_type == VTB_FRAMEBUFFER) {
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bcopy_toio(p1, p2, count*sizeof(u_int16_t));
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bcopy_toio(p1 + attr_offset(vtb1),
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p2 + ATTR_OFFSET_FB,
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count*sizeof(u_int16_t));
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} else if (vtb1->vtb_type == VTB_FRAMEBUFFER) {
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bcopy_fromio(p1, p2, count*sizeof(u_int16_t));
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bcopy_fromio(p1 + ATTR_OFFSET_FB,
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p2 + attr_offset(vtb2),
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count*sizeof(u_int16_t));
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} else {
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bcopy((void *)p1, (void *)p2, count*sizeof(u_int16_t));
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bcopy((void *)(p1 + attr_offset(vtb1)),
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(void *)(p2 + attr_offset(vtb2)),
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count*sizeof(u_int16_t));
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}
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}
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void
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sc_vtb_append(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, int count)
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{
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int len;
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vm_offset_t p1, p2;
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if (vtb2->vtb_type != VTB_RINGBUFFER)
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return;
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while (count > 0) {
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p1 = vtb_pointer(vtb1, from);
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p2 = vtb_pointer(vtb2, vtb2->vtb_tail);
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len = imin(count, vtb2->vtb_size - vtb2->vtb_tail);
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if (vtb1->vtb_type == VTB_FRAMEBUFFER) {
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bcopy_fromio(p1, p2, len*sizeof(u_int16_t));
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bcopy_fromio(p1 + ATTR_OFFSET_FB,
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p2 + attr_offset(vtb2),
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len*sizeof(u_int16_t));
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} else {
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bcopy((void *)p1, (void *)p2, len*sizeof(u_int16_t));
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bcopy((void *)(p1 + attr_offset(vtb1)),
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(void *)(p2 + attr_offset(vtb2)),
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len*sizeof(u_int16_t));
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}
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from += len;
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count -= len;
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vtb2->vtb_tail = vtb_wrap(vtb2, vtb2->vtb_tail, len);
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}
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}
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void
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sc_vtb_seek(sc_vtb_t *vtb, int pos)
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{
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vtb->vtb_tail = pos%vtb->vtb_size;
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}
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void
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sc_vtb_erase(sc_vtb_t *vtb, int at, int count, int c, int attr)
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{
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vm_offset_t p;
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if (at + count > vtb->vtb_size)
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count = vtb->vtb_size - at;
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p = vtb_pointer(vtb, at);
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if (vtb->vtb_type == VTB_FRAMEBUFFER) {
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fillw_io(c, p, count);
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fillw_io(at2pc98(attr), p + ATTR_OFFSET_FB, count);
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} else {
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fillw(c, (void *)p, count);
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fillw(at2pc98(attr), (void *)(p + attr_offset(vtb)), count);
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}
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}
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void
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sc_vtb_move(sc_vtb_t *vtb, int from, int to, int count)
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{
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vm_offset_t p1, p2;
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if (from + count > vtb->vtb_size)
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count = vtb->vtb_size - from;
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if (to + count > vtb->vtb_size)
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count = vtb->vtb_size - to;
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if (count <= 0)
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return;
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p1 = vtb_pointer(vtb, from);
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p2 = vtb_pointer(vtb, to);
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if (vtb->vtb_type == VTB_FRAMEBUFFER) {
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bcopy_io(p1, p2, count*sizeof(u_int16_t));
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bcopy_io(p1 + ATTR_OFFSET_FB,
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p2 + ATTR_OFFSET_FB, count*sizeof(u_int16_t));
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} else {
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bcopy((void *)p1, (void *)p2, count*sizeof(u_int16_t));
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bcopy((void *)(p1 + attr_offset(vtb)),
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(void *)(p2 + attr_offset(vtb)), count*sizeof(u_int16_t));
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}
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}
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void
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sc_vtb_delete(sc_vtb_t *vtb, int at, int count, int c, int attr)
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{
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int len;
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vm_offset_t p1, p2;
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if (at + count > vtb->vtb_size)
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count = vtb->vtb_size - at;
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len = vtb->vtb_size - at - count;
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if (len > 0) {
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p1 = vtb_pointer(vtb, at + count);
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p2 = vtb_pointer(vtb, at);
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if (vtb->vtb_type == VTB_FRAMEBUFFER) {
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bcopy_io(p1, p2, len*sizeof(u_int16_t));
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bcopy_io(p1 + ATTR_OFFSET_FB,
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p2 + ATTR_OFFSET_FB,
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len*sizeof(u_int16_t));
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} else {
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bcopy((void *)p1, (void *)p2, len*sizeof(u_int16_t));
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bcopy((void *)(p1 + attr_offset(vtb)),
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(void *)(p2 + attr_offset(vtb)),
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len*sizeof(u_int16_t));
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}
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}
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p1 = vtb_pointer(vtb, at + len);
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if (vtb->vtb_type == VTB_FRAMEBUFFER) {
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fillw_io(c, p1, vtb->vtb_size - at - len);
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fillw_io(at2pc98(attr), p1 + ATTR_OFFSET_FB,
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vtb->vtb_size - at - len);
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} else {
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fillw(c, (void *)p1, vtb->vtb_size - at - len);
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fillw(at2pc98(attr), (void *)(p1 + attr_offset(vtb)),
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vtb->vtb_size - at - len);
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}
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}
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void
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sc_vtb_ins(sc_vtb_t *vtb, int at, int count, int c, int attr)
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{
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vm_offset_t p1, p2;
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p1 = vtb_pointer(vtb, at);
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if (at + count > vtb->vtb_size) {
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count = vtb->vtb_size - at;
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} else {
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p2 = vtb_pointer(vtb, at + count);
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if (vtb->vtb_type == VTB_FRAMEBUFFER) {
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bcopy_io(p1, p2,
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(vtb->vtb_size - at - count)*sizeof(u_int16_t));
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bcopy_io(p1 + ATTR_OFFSET_FB,
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p2 + ATTR_OFFSET_FB,
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(vtb->vtb_size - at - count)*sizeof(u_int16_t));
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} else {
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bcopy((void *)p1, (void *)p2,
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(vtb->vtb_size - at - count)*sizeof(u_int16_t));
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bcopy((void *)(p1 + attr_offset(vtb)),
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(void *)(p2 + attr_offset(vtb)),
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(vtb->vtb_size - at - count)*sizeof(u_int16_t));
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}
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}
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if (vtb->vtb_type == VTB_FRAMEBUFFER) {
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fillw_io(c, p1, count);
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fillw_io(at2pc98(attr), p1 + ATTR_OFFSET_FB, count);
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} else {
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fillw(c, (void *)p1, count);
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fillw(at2pc98(attr), (void *)(p1 + attr_offset(vtb)), count);
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}
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}
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