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MNRS-BM-BSP
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adds signature to start of firmware

This commit is contained in:
Eyck Jentzsch 2024-08-11 17:29:13 +02:00
parent d621264ef7
commit 46d55f353e
1 changed files with 8 additions and 3 deletions
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11
env/start.S vendored
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@ -7,12 +7,17 @@
_start: _start:
.option push .option push
.option norelax .option norelax
la gp, trap_entry .option norvc
csrw mtvec, gp j 1f
.2byte 0x4e4d
.2byte 0x5352
.4byte 0x669
1:
la gp, __global_pointer$ la gp, __global_pointer$
.option pop .option pop
la sp, _sp la sp, _sp
la t0, trap_entry
csrw mtvec, t0
/* Load data section */ /* Load data section */
la a0, _data_lma la a0, _data_lma
la a1, _data la a1, _data