openocd/contrib/loaders/flash/fespi/riscv_wrapper.S
Tim Newsome 35f284fe7c flash/nor/fespi: algorithm, large address, errors
* Move more smarts into the target algorithm code, and rewrite that in C
  so it's easier to understand/maintain.
* Support >24-bit addresses.
* Check for errors.

Change-Id: I3b1a143589fe6defafb8f95820aa682acc9646e7
Signed-off-by: Tim Newsome <tim@sifive.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/6679
Tested-by: jenkins
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
2021-12-03 21:58:55 +00:00

23 lines
329 B
ArmAsm

#if __riscv_xlen == 64
# define LREG ld
# define SREG sd
# define REGBYTES 8
#else
# define LREG lw
# define SREG sw
# define REGBYTES 4
#endif
.section .text.entry
.global _start
_start:
lla sp, stack_end
jal flash_fespi
ebreak
.section .data
.balign REGBYTES
stack:
.fill 16, REGBYTES, 0x8675309
stack_end: