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[fb] Output klog to fb if video exists

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If there's no video, do as we did before, otherwise route logs to the fb
driver instead. (Need to clean this up to just have a log consumer
general interface?) Also added a "scrollback" class to fb driver and
updated the system_get_log syscall.
This commit is contained in:
Justin C. Miller
2021-01-03 18:13:41 -08:00
parent dccb136c99
commit e477dea5c7
12 changed files with 181 additions and 29 deletions
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2
src/include/syscalls.inc
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@@ -1,6 +1,6 @@
SYSCALL(0x00, system_log, const char *)
SYSCALL(0x01, system_noop, void)
SYSCALL(0x02, system_get_log, j6_handle_t, j6_handle_t *)
SYSCALL(0x02, system_get_log, j6_handle_t, char *, size_t *)
SYSCALL(0x03, system_bind_irq, j6_handle_t, j6_handle_t, unsigned)
SYSCALL(0x08, object_koid, j6_handle_t, j6_koid_t *)