Hi all,
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 capability to debug early exceptions.
This patch elimiate platform specific early_printk, zboot printing
functions and cps-vec-ns16550 by newly introduced debug_ll.
Hope you'll find them handy :-)
Happy hacking!
Thanks
Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
---
Jiaxun Yang (9):
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
MIPS: CPS: Convert to use debug_ll facilities
arch/mips/Kconfig | 12 +-
arch/mips/Kconfig.debug | 240 +++++++++++++++++++++++--------
arch/mips/boot/compressed/Makefile | 9 +-
arch/mips/boot/compressed/dbg.c | 39 -----
arch/mips/boot/compressed/debug-vec.S | 3 +
arch/mips/boot/compressed/debug.S | 3 +
arch/mips/boot/compressed/decompress.h | 8 +-
arch/mips/boot/compressed/head.S | 6 +
arch/mips/boot/compressed/uart-16550.c | 49 -------
arch/mips/boot/compressed/uart-alchemy.c | 9 --
arch/mips/boot/compressed/uart-ath79.c | 2 -
arch/mips/boot/compressed/uart-prom.c | 9 --
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 | 4 +-
arch/mips/kernel/cps-vec.S | 16 +--
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 +
23 files changed, 756 insertions(+), 197 deletions(-)
---
base-commit: 084c8e315db34b59d38d06e684b1a0dd07d30287
change-id: 20240326-mips_debug_ll-ce72fee1b6a2
Best regards,
--
Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
