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Use la/jr pseudoinstructions for main function call #297

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Merged
merged 1 commit into from
Jun 17, 2025
+7 −1
Merged

Use la/jr pseudoinstructions for main function call #297

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5 changes: 5 additions & 0 deletions riscv-rt/CHANGELOG.md
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Expand Up @@ -7,6 +7,11 @@ and this project adheres to [Semantic Versioning](http://semver.org/).

## [Unreleased]

### Changed

- Main function no longer needs to be close to _start. A linker script may copy
all code to RAM and keep .init in flash/ROM.

## [v0.15.0] - 2025-06-10

### Added
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3 changes: 2 additions & 1 deletion riscv-rt/src/asm.rs
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Expand Up @@ -217,7 +217,8 @@ cfg_global_asm!(
ld a1, 8 * 1(sp)
ld a2, 8 * 2(sp)
addi sp, sp, 8 * 4",
"jal zero, main
"la t0, main
jr t0
.cfi_endproc",
);

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