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feat(boot): add boot from flash #3

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Merged
DavidMCerdeira merged 1 commit into from
Jul 8, 2025
Merged

feat(boot): add boot from flash #3

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15 changes: 10 additions & 5 deletions src/arch/armv8m/boot.S
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Original file line number Diff line number Diff line change
Expand Up @@ -17,11 +17,14 @@
* PAGE_SIZE.
*/
.section ".boot", "ax"
.thumb
.thumb_func
.globl _reset_handler
_reset_handler:
b _start

.global _rst_vector_table
_rst_vector_table:
.word 0x30000000
.word _start
.rept 13
.word _exception_handler
.endr

.balign PAGE_SIZE
.global _hypercall_start
Expand All @@ -30,6 +33,8 @@ _hypercall_start:
b _hypercall_handler

.balign PAGE_SIZE
.thumb
.thumb_func
.global _start
_start:
/**
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2 changes: 1 addition & 1 deletion src/arch/armv8m/exceptions.S
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Expand Up @@ -139,7 +139,7 @@ _hyp_vector_table:
* reset vector. The reset vector is the address of the reset handler.
*/
.word 0 //TODO:ARMV8M should this be initialized with the real MSP value?
.word _reset_handler
.word _start
.rept 13
.word _exception_handler
.endr
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