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authorSubrata Banik <subratabanik@google.com>2022-12-26 21:39:59 +0530
committerSubrata Banik <subratabanik@google.com>2023-01-02 05:45:23 +0000
commit3e3b78a391ad51a030957fc1cc062746821513ac (patch)
treefd7ca21d4a306c2d351a4b7fbc98c4e2aacda48c /util/autoport/log_maker.go
parente51978f26fde2f400979ad28f35d497ff3b8ad76 (diff)
drivers/pc80/vga: Add API to write multi-line video message
This patch provides an API to allow users to output multi-line messages using VGA framebuffer. The current limitation with multiline message is that, vga_line_write() function is unable to understand newline character hence, eventually output multiple lines separated with a newline character with a single line statement. This patch ensures to parse the entire string and split it into multiple lines based on the newline character and print each line separately to the VFG framebuffer. User can choose to align the output video message as per given choice between left/center/right of the screen (i.e. enum VGA_TEXT_ALIGNMENT ). Additionally, added macros to define the horizontal screen alignment as well. Ideally if user would like to print the video message at the middle of the screen then the vertical alignment would be `VGA_TEXT_CENTER` and horizontal alignment would be `VGA_TEXT_HORIZONTAL_MIDDLE`. TEST=Able to build and boot Google/Taeko. While output a video message such as : "Your device is finishing an update. This may take 1-2 minutes.\nPlease do not turn off your device." Without this patch: Your device is finishing an update. This may take 1-2 minutes. nPlease do not turn off your device. With this patch: (in Left Alignment): Your device is finishing an update. This may take 1-2 minutes. Please do not turn off your device. (in Right Alignment): Your device is finishing an update. This may take 1-2 minutes. Please do not turn off your device. (in Center Alignment): Your device is finishing an update. This may take 1-2 minutes. Please do not turn off your device. Signed-off-by: Subrata Banik <subratabanik@google.com> Change-Id: Ib837e4deeba9b84038a91c93a68f03cee3474f9b Reviewed-on: https://review.coreboot.org/c/coreboot/+/71265 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tarun Tuli <taruntuli@google.com>
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