[WIP] arm64 PR #72
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[WIP] arm64 PR #72
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Add basic exception support, with basic context save/restore, state dumping. At the moment, any exception panics the kernel. Signed-off-by: Pedro Falcato <[email protected]>
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Hacky, and still very flawed. But we got to userspace! Stable! Signed-off-by: Pedro Falcato <[email protected]>
Also move a few functions into arch/{arch}/mmu.cpp, instead of vm.cpp.
Signed-off-by: Pedro Falcato <[email protected]>
Signed-off-by: Pedro Falcato <[email protected]>
Add signal support (including dispatch to userspace), tests and some of them wired up with traps. Signed-off-by: Pedro Falcato <[email protected]>
Also fix sigaltstack on arm64 and riscv64. Oops. Signed-off-by: Pedro Falcato <[email protected]>
Userspace stat() should work well now. Signed-off-by: Pedro Falcato <[email protected]>
Does not support baud rate configuration yet. Signed-off-by: Pedro Falcato <[email protected]>
We support it now! Signed-off-by: Pedro Falcato <[email protected]>
Add support for the pl031, a popular RTC chip used by many devices, including qemu-virt. Signed-off-by: Pedro Falcato <[email protected]>
Signed-off-by: Pedro Falcato <[email protected]>
It's FAR_EL1, not CR2 (x86). Signed-off-by: Pedro Falcato <[email protected]>
Stops faulting on access to CNTPCT and CNTFRQ. Signed-off-by: Pedro Falcato <[email protected]>
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