在2023年10月29日十月 上午2:53,Jiaxun Yang写道: > Hi all, Hi Thomas, A gentle ping on this series :-) I've got too much patch floating out there. Thanks - Jiaxun > > This is a attempt to bring all low-level debugging print functions > together and provide a arm-like low-level debugging interface and > a further function to debug early exceptions. > > The plan is to elimiate platform specific early_printk and > cps-vec-ns16550 by debug_ll and earlycon. > > cps-vec-ns16550 is leave unchanged for now due to pending patch[1]. > > Hope you'll find them handy :-) > > Happy hacking! > > Thanks > Jiaxun > > [1]: > https://lore.kernel.org/linux-mips/20231027221106.405666-6-jiaxun.yang@xxxxxxxxxxx/ > > Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> > --- > Jiaxun Yang (8): > MIPS: asm: Move strings to .rodata.str section > MIPS: debug: Implement low-level debugging functions > MIPS: debug: Hook up DEBUG_LL with early printk > MIPS: debug: Provide an early exception vector for low-level debugging > MIPS: debug_ll: Add Kconfig symbols for some 8250 uarts > MIPS: debug_ll: Implement support for Alchemy uarts > MIPS: debug_ll: Implement support for AR933X uarts > MIPS: zboot: Convert to use debug_ll facilities > > arch/mips/Kconfig | 12 +- > arch/mips/Kconfig.debug | 212 +++++++++++++++++++++++++++---- > arch/mips/boot/compressed/Makefile | 9 +- > arch/mips/boot/compressed/dbg.c | 37 ------ > arch/mips/boot/compressed/debug-vec.S | 3 + > arch/mips/boot/compressed/debug.S | 3 + > arch/mips/boot/compressed/decompress.c | 6 +- > arch/mips/boot/compressed/head.S | 6 + > arch/mips/boot/compressed/uart-16550.c | 47 ------- > arch/mips/boot/compressed/uart-alchemy.c | 7 - > arch/mips/boot/compressed/uart-ath79.c | 2 - > arch/mips/boot/compressed/uart-prom.c | 7 - > arch/mips/include/asm/asm.h | 2 +- > arch/mips/include/debug/8250.S | 60 +++++++++ > arch/mips/include/debug/alchemy.S | 46 +++++++ > arch/mips/include/debug/ar933x.S | 41 ++++++ > arch/mips/include/debug/uhi.S | 48 +++++++ > arch/mips/kernel/Makefile | 3 + > arch/mips/kernel/debug-vec.S | 194 ++++++++++++++++++++++++++++ > arch/mips/kernel/debug.S | 130 +++++++++++++++++++ > arch/mips/kernel/early_printk.c | 19 +++ > arch/mips/kernel/head.S | 4 + > 22 files changed, 750 insertions(+), 148 deletions(-) > --- > base-commit: 66f1e1ea3548378ff6387b1ce0b40955d54e86aa > change-id: 20231028-mips_debug_ll-ef9cce16767b > > Best regards, > -- > Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> -- - Jiaxun