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| author | Andreas Baumann <mail@andreasbaumann.cc> | 2017-07-08 12:43:53 +0200 |
|---|---|---|
| committer | Andreas Baumann <mail@andreasbaumann.cc> | 2017-07-08 12:43:53 +0200 |
| commit | 1230afc0aaef07b03f09d3725f459df07b982de8 (patch) | |
| tree | ce0f127319285a010547bfb3695a9a634f778684 /src/drivers/video/vga.c | |
| parent | 70266efd6fbe9a12a19cbec451eec536266ffb5e (diff) | |
| download | abaos-1230afc0aaef07b03f09d3725f459df07b982de8.tar.gz abaos-1230afc0aaef07b03f09d3725f459df07b982de8.tar.bz2 | |
added dedicated kernel entry to avoid address reordering under compiler optimization
affect the entry poin 0x8800 of kernel_main (now kernel_entry)
Diffstat (limited to 'src/drivers/video/vga.c')
| -rw-r--r-- | src/drivers/video/vga.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/drivers/video/vga.c b/src/drivers/video/vga.c index 146194e..0cd623d 100644 --- a/src/drivers/video/vga.c +++ b/src/drivers/video/vga.c @@ -210,7 +210,7 @@ static uint8_t *get_frame_buffer_segment( vga_t *vga ) { port8_write( &vga->graphics_controller_index_port, 0x06 ); uint8_t segment_no = ( port8_read( &vga->graphics_controller_data_port ) >> 2 ) & 0x03; - uint8_t *segment; + uint8_t *segment = 0x0; switch( segment_no ) { case 0: // A0000h - BFFFFh, 128k |