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seabios
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2,696 Commits 12 Branches 59 Tags 4.4 MiB
Commit Graph

332 Commits

Author SHA1 Message Date
Kevin O'Connor 82221b2bf1 VGA: Remove recursion from biosfn_write_teletype(). 2009-05-26 00:20:40 -04:00
Kevin O'Connor d3b381514a VGA: Simplify vgafb_write/read_char. 
Pass cursor position into vgafb_write_char and vgafb_read_char.
Don't pass count into vgafb_write_char.
Break text writing into separate function.
 2009-05-26 00:05:37 -04:00
Kevin O'Connor e4f220fa2e VGA: Remove vmode_g->class - store info in vmode_g->memmodel. 2009-05-25 23:37:13 -04:00
Kevin O'Connor 0926241e64 VGA: Use struct for car/attr/WITH_ATTR. 
The three parameters are used frequently together - define a struct to
    hold them.
Alos, merge biosfn_write_char_attr/_only into one function.
 2009-05-25 11:44:11 -04:00
Kevin O'Connor 918b1564dd VGA: Combine x/y/page into one parameter. 
These three values are frequently used together - put them in a struct
    and pass the struct around.
 2009-05-25 11:05:18 -04:00
Kevin O'Connor 85ea07e668 VGA: Inline biosfn_set_video_mode() into its only caller. 2009-05-25 09:41:07 -04:00
Kevin O'Connor deb9cb929d VGA: Replace biosfn_load_text_* with vgafb_load_font(). 
The functions font loading functions are nearly identical - replace
    with one common function.
 2009-05-25 09:06:50 -04:00
Kevin O'Connor 124b6f7c9f VGA: Factor out hardware accesses from biosfn_set_video_mode. 
Create vgahw_set_mode() that handles low-level vga setup in vgaio.c.
Move screen clearing to new function in vgafb.c.
 2009-05-25 00:44:29 -04:00
Kevin O'Connor a959aa16be VGA: Minor - improve indentation of palette structs. 2009-05-25 00:12:18 -04:00
Kevin O'Connor e713204209 VGA: Inline several functions in vga.c. 
Move some functions directly into their only caller.
Also, fix bug in handle_101210 - don't set ax.
 2009-05-25 00:10:35 -04:00
Kevin O'Connor ca668640a9 VGA: Define structs for save/restore state calls. 
Define C structs for the state info.
Move hw specific code to vgahw.c.
Also, make sure to set 0x1c in regs->al on state save/restore calls.
 2009-05-21 23:06:08 -04:00
Kevin O'Connor a0ecb056c8 VGA: Move some ioport accesses from vga.c to vgaio.c. 
Move more hardware port accesses to vgaio.c.
 2009-05-18 23:34:00 -04:00
Kevin O'Connor 8bc059e9f7 VGA: Remove references to 'struct bregs' from vgaio.c code. 
Move the bios interface control to vga.c.
Also, replace "biosfn_" prefix with "vgahw_".
 2009-05-17 21:19:36 -04:00
Kevin O'Connor c0c7df6bf4 VGA: Extract code from vga.c into new files vgaio.c and vgafb.c. 
Move hardware IO accessor functions to vgaio.c.
Move framebuffer and font manipulation code to vgafb.c.
Also, have biosfn_write_teletype use biosfn_write_char_attr/only.
Also, breakout set_scan_lines() functionality from biosfn_load_text_X.
 2009-05-17 18:11:33 -04:00
Kevin O'Connor 3c3c8315c8 VGA: Fix DAC loading during mode switch. 
The total dac size is stored - not the number of entries.
 2009-05-17 16:16:29 -04:00
Kevin O'Connor 99e08b7fc3 VGA: Make use of regs->ebp - now that it is present in 'struct bregs'. 2009-05-17 00:07:31 -04:00
Kevin O'Connor 9f193b9883 Define unified entry points for irq handlers. 
The irq entry points now push the handler address and jump to a
    function that does parameter setup.  This reduces the code size
    because the entry setup isn't repeated for every handler.
 2009-05-16 23:31:27 -04:00
Kevin O'Connor f61afb897f VGA: Use GET_IVT macro instead of raw GET_FARVAR. 2009-05-16 21:32:27 -04:00
Kevin O'Connor 21079f4437 VGA: Add calling stubs for vbe functions. 2009-05-16 21:30:10 -04:00
Kevin O'Connor d113a99c84 VGA: Use segment definitions. 
Don't hardcode use of 0xc000.
Use definitions for 0xb000,0xb800,0xa000.
 2009-05-16 21:05:02 -04:00
Kevin O'Connor 0818e1aa2d VGA: Split biosfn_get_cursor_pos function. 
Create biosfn_get_cursor_pos and biosfn_get_cursor_shape.
 2009-05-16 18:00:19 -04:00
Kevin O'Connor f94ec43133 VGA: Minor - use "_far" postfix on far pointers. 2009-05-16 17:37:23 -04:00
Kevin O'Connor 5727c29f9c VGA: Rework vga_modes[] array to have pointers to other structs. 
Prefer using pointers instead of indexes into arrays.
 2009-05-16 17:29:32 -04:00
Kevin O'Connor dd2be77bac VGA: Misc syntax cleanups. 
Use c99 variable declarations.
Postfix global pointers with "_g" and far pointers with "_far".
Other syntax cleanups.
 2009-05-16 15:41:23 -04:00
Kevin O'Connor 4f79274123 VGA: Minor - use "_g" suffix for global pointers. 2009-05-16 14:55:01 -04:00
Kevin O'Connor 05c32dcc75 VGA: Add header guard to vgasrc/vgatables.h 2009-05-14 19:29:37 -04:00
Kevin O'Connor 6ace78f368 VGA: Remove unused DEBUG ifdefs. 2009-05-14 19:24:49 -04:00
Kevin O'Connor a5288ffc77 VGA: memset16_far and memcpy16_far take byte count (not word count). 2009-05-13 22:25:24 -04:00
Kevin O'Connor a12c2158f7 VGA - turn DEBUG printfs into dprintf calls. 2009-05-13 22:06:16 -04:00
Kevin O'Connor d9fc0a09f7 Cleanup vga inb/outb port usages. 
Use symbolic names for ports.
Use VGAREG_ACTL_WRITE_DATA instead of VGAREG_ACTL_ADDRESS when writing
     a value to the register.
 2009-05-07 22:00:25 -04:00
Kevin O'Connor 6a71970423 Minor - update vgasrc/vga.c todo list. 2009-05-06 23:40:07 -04:00
Kevin O'Connor 1f2c307bc3 Add initial port of the "open source vga bios" project. 
This is an initial import of the code from:
    http://www.nongnu.org/vgabios/
The code has been ported from bcc to gcc and gas.
This is an initial import - many functions have not been ported; many
    bugs are present.
 2009-05-06 23:35:59 -04:00