31bb218552
Signed-off-by: Segher Boessenkool <segher@kernel.crashing.org> Acked-by: Peter Stuge <peter@stuge.se> Acked-by: Ronald G Minnich <rminnich@gmail.com> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://coreboot.org/repository/LinuxBIOSv3@47 f3766cd6-281f-0410-b1cd-43a5c92072e9
88 lines
2.7 KiB
C
88 lines
2.7 KiB
C
/*
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
*/
|
|
/*
|
|
* This file describes the structure passed from the BootX application
|
|
* (for MacOS) when it is used to boot Linux.
|
|
*
|
|
* Written by Benjamin Herrenschmidt.
|
|
*
|
|
* Move to LinuxBIOS by LYH yhlu@tyan.com
|
|
*
|
|
*/
|
|
|
|
|
|
#ifndef _BTEXT_H__
|
|
#define _BTEXT_H__
|
|
|
|
#define u32 uint32_t
|
|
#define u16 uint16_t
|
|
#define u8 uint8_t
|
|
|
|
/* Here are the boot informations that are passed to the bootstrap
|
|
* Note that the kernel arguments and the device tree are appended
|
|
* at the end of this structure. */
|
|
typedef struct boot_infos
|
|
{
|
|
|
|
/* NEW (vers. 2) this holds the current _logical_ base addr of
|
|
the frame buffer (for use by early boot message) */
|
|
u8* logicalDisplayBase;
|
|
|
|
|
|
/* Some infos about the current MacOS display */
|
|
u32 dispDeviceRect[4]; /* left,top,right,bottom */
|
|
u32 dispDeviceDepth; /* (8, 16 or 32) */
|
|
u8* dispDeviceBase; /* base address (physical) */
|
|
u32 dispDeviceRowBytes; /* rowbytes (in bytes) */
|
|
u32 dispDeviceColorsOffset; /* Colormap (8 bits only) or 0 (*) */
|
|
|
|
|
|
/* The framebuffer size (optional, currently 0) */
|
|
u32 frameBufferSize; /* Represents a max size, can be 0. */
|
|
|
|
|
|
} boot_infos_t;
|
|
|
|
/* (*) The format of the colormap is 256 * 3 * 2 bytes. Each color index is represented
|
|
* by 3 short words containing a 16 bits (unsigned) color component.
|
|
* Later versions may contain the gamma table for direct-color devices here.
|
|
*/
|
|
#define BOOTX_COLORTABLE_SIZE (256UL*3UL*2UL)
|
|
|
|
|
|
/*
|
|
* Definitions for using the procedures in btext.c.
|
|
*
|
|
* Benjamin Herrenschmidt <benh@kernel.crashing.org>
|
|
*/
|
|
|
|
extern void btext_clearscreen(void);
|
|
|
|
extern boot_infos_t disp_bi;
|
|
extern u32 boot_text_mapped;
|
|
|
|
void btext_setup_display(u32 width, u32 height, u32 depth, u32 pitch,
|
|
unsigned long address);
|
|
void map_boot_text(void);
|
|
void btext_update_display(unsigned long phys, u32 width, u32 height,
|
|
u32 depth, u32 pitch);
|
|
|
|
void btext_drawchar(char c);
|
|
void btext_drawstring(const char *str);
|
|
void btext_drawhex(u32 v);
|
|
|
|
#endif /* _BTEXT_H */
|