This fix is ported from illumos (issue #9970), the analysis and initial implementation was done by John Levon. See also: https://www.illumos.org/issues/9970 Currently, efi_cons_getchar() will wait for a key. While this seems to make sense, the implementation of getchar() in common/console.c will loop across getchar() for all consoles without doing ischar() first. This means that if we've configured multiple consoles, we can't input into the serial, as getchar() will be sat waiting for input only from efi_console.c This patch does implement a bit more generic key buffer to support translation of input keys, and we use generic efi_readkey() to reduce duplication from calls from getchar() and poll(). |
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Makefile.inc |