diff options
| author |   Christoph Hellwig <hch@lst.de> | 2019-08-13 09:25:11 +0200 |
|---|---|---|
| committer |   Tony Luck <tony.luck@intel.com> | 2019-08-16 11:33:57 -0700 |
| commit | a8384e6ce5231d4f697f2dca1de4ff6bed7f3890 (patch) | |
| tree | 316fa29c0dfa9c8a2b5a7db53c5a06ff6b687507 /arch/ia64/kernel/setup.c | |
| parent | ia64: move the ROOT_DEV setup to common code (diff) | |
| download | linux-dev-a8384e6ce5231d4f697f2dca1de4ff6bed7f3890.tar.xz linux-dev-a8384e6ce5231d4f697f2dca1de4ff6bed7f3890.zip | |
ia64: move the screen_info setup to common code
There is nothing really platform specific about setting about the
screen_info from the ia64_boot_param structure, so move it from the
dig machvec to common code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lkml.kernel.org/r/20190813072514.23299-26-hch@lst.de
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/kernel/setup.c')
| -rw-r--r-- | arch/ia64/kernel/setup.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c index 560f9833c665..65d07c60f12d 100644 --- a/arch/ia64/kernel/setup.c +++ b/arch/ia64/kernel/setup.c @@ -469,6 +469,39 @@ early_console_setup (char *cmdline) return -1; } +static void __init +screen_info_setup(void) +{ + unsigned int orig_x, orig_y, num_cols, num_rows, font_height; + + memset(&screen_info, 0, sizeof(screen_info)); + + if (!ia64_boot_param->console_info.num_rows || + !ia64_boot_param->console_info.num_cols) { + printk(KERN_WARNING "invalid screen-info, guessing 80x25\n"); + orig_x = 0; + orig_y = 0; + num_cols = 80; + num_rows = 25; + font_height = 16; + } else { + orig_x = ia64_boot_param->console_info.orig_x; + orig_y = ia64_boot_param->console_info.orig_y; + num_cols = ia64_boot_param->console_info.num_cols; + num_rows = ia64_boot_param->console_info.num_rows; + font_height = 400 / num_rows; + } + + screen_info.orig_x = orig_x; + screen_info.orig_y = orig_y; + screen_info.orig_video_cols = num_cols; + screen_info.orig_video_lines = num_rows; + screen_info.orig_video_points = font_height; + screen_info.orig_video_mode = 3; /* XXX fake */ + screen_info.orig_video_isVGA = 1; /* XXX fake */ + screen_info.orig_video_ega_bx = 3; /* XXX fake */ +} + static inline void mark_bsp_online (void) { @@ -609,6 +642,7 @@ setup_arch (char **cmdline_p) ROOT_DEV = Root_SDA2; /* default to second partition on first drive */ platform_setup(cmdline_p); + screen_info_setup(); paging_init(); clear_sched_clock_stable(); |