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* Don't use the private vm_map_physical_memory() but just

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map_physical_memory().
* Minor cleanup.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22330 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2007-09-27 12:45:11 +00:00
parent e6dc7903e4
commit 9ef250072b
1 changed files with 17 additions and 20 deletions
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37
src/add-ons/kernel/console/vga_text/vga_text.c
View File

@ -1,5 +1,5 @@
/*
* Copyright 2005, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
* Copyright 2005-2007, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
@ -11,7 +11,6 @@
#include <Drivers.h>
#include <ISA.h>
#include <vm_address_space.h>
#include <console.h>
#include <string.h>
@ -28,8 +27,8 @@
#define TEXT_CURSOR_LO 0x0f
#define TEXT_CURSOR_HI 0x0e
static uint16 *gOrigin;
static isa_module_info *isa;
static uint16 *sOrigin;
static isa_module_info *sISA;
static int
@ -37,20 +36,18 @@ text_init(void)
{
addr_t i;
if (get_module(B_ISA_MODULE_NAME, (module_info **)&isa) < 0) {
if (get_module(B_ISA_MODULE_NAME, (module_info **)&sISA) < 0) {
dprintf("text module_init: no isa bus found..\n");
return -1;
}
/* we always succeede, so init our stuff */
dprintf("console/text: mapping vid mem\n");
vm_map_physical_memory(vm_kernel_address_space_id(), "vid_mem", (void *)&gOrigin,
B_ANY_KERNEL_ADDRESS, SCREEN_END - SCREEN_START,
B_KERNEL_READ_AREA | B_KERNEL_WRITE_AREA, SCREEN_START);
dprintf("console/text: mapped vid mem to virtual address %p\n", gOrigin);
map_physical_memory("video_mem", (void *)SCREEN_START, SCREEN_END - SCREEN_START,
B_ANY_KERNEL_ADDRESS, B_KERNEL_READ_AREA | B_KERNEL_WRITE_AREA, (void *)&sOrigin);
dprintf("console/text: mapped vid mem to virtual address %p\n", sOrigin);
/* pre-touch all of the memory so that we dont fault while deep inside the kernel and displaying something */
for(i = (addr_t)gOrigin; i < (addr_t)gOrigin + (SCREEN_END - SCREEN_START); i += B_PAGE_SIZE) {
for (i = (addr_t)sOrigin; i < (addr_t)sOrigin + (SCREEN_END - SCREEN_START);
i += B_PAGE_SIZE) {
uint16 val = *(volatile uint16 *)i;
*(volatile uint16 *)i = val;
}
@ -87,10 +84,10 @@ move_cursor(int32 x, int32 y)
else
pos = y * COLUMNS + x;
isa->write_io_8(TEXT_INDEX, TEXT_CURSOR_LO);
isa->write_io_8(TEXT_DATA, (char)pos);
isa->write_io_8(TEXT_INDEX, TEXT_CURSOR_HI);
isa->write_io_8(TEXT_DATA, (char)(pos >> 8));
sISA->write_io_8(TEXT_INDEX, TEXT_CURSOR_LO);
sISA->write_io_8(TEXT_DATA, (char)pos);
sISA->write_io_8(TEXT_INDEX, TEXT_CURSOR_HI);
sISA->write_io_8(TEXT_DATA, (char)(pos >> 8));
}
@ -98,7 +95,7 @@ static void
put_glyph(int32 x, int32 y, uint8 glyph, uint8 attr)
{
uint16 pair = ((uint16)attr << 8) | (uint16)glyph;
uint16 *p = gOrigin+(y*COLUMNS)+x;
uint16 *p = sOrigin + (y * COLUMNS) + x;
*p = pair;
}
@ -110,7 +107,7 @@ fill_glyph(int32 x, int32 y, int32 width, int32 height, uint8 glyph, uint8 attr)
int32 y_limit = y + height;
while (y < y_limit) {
uint16 *p = gOrigin + (y * COLUMNS) + x;
uint16 *p = sOrigin + (y * COLUMNS) + x;
uint16 *p_limit = p + width;
while (p < p_limit) *p++ = pair;
y++;
@ -123,7 +120,7 @@ blit(int32 srcx, int32 srcy, int32 width, int32 height, int32 destx, int32 desty
{
if ((srcx == 0) && (width == COLUMNS)) {
// whole lines
memmove(gOrigin + (desty * COLUMNS), gOrigin + (srcy * COLUMNS), height * COLUMNS * 2);
memmove(sOrigin + (desty * COLUMNS), sOrigin + (srcy * COLUMNS), height * COLUMNS * 2);
} else {
// FIXME
}
@ -133,7 +130,7 @@ blit(int32 srcx, int32 srcy, int32 width, int32 height, int32 destx, int32 desty
static void
clear(uint8 attr)
{
uint16 *base = (uint16 *)gOrigin;
uint16 *base = (uint16 *)sOrigin;
uint32 i;
for (i = 0; i < COLUMNS * LINES; i++)