stm32h7: set 8-byte alignment on main and irq stack
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commit 2b09078b928b8f309d3638ca7b3dc47c9718c34a Author: Aidan MacDonald <[email protected]> Date: Sun Jan 25 22:26:53 2026 +0000 stm32h7: set 8-byte alignment on main and irq stack Explicitly set 8-byte alignment as per the AAPCS, which says the stack should be 8-byte aligned at a public ABI boundary. Change-Id: Ie60b664718119ea576e7c6b5efaac011eb907531 diff --git a/firmware/target/arm/stm32/app.lds b/firmware/target/arm/stm32/app.lds index 1fbcd140cd..fc8bd381f7 100644 --- a/firmware/target/arm/stm32/app.lds +++ b/firmware/target/arm/stm32/app.lds @@ -21,7 +21,7 @@ SECTIONS *(.icode*); } > ITCM - .stack (NOLOAD) : + .stack (NOLOAD) : ALIGN(8) { irqstackbegin = .; . += 0x400; diff --git a/firmware/target/arm/stm32/boot.lds b/firmware/target/arm/stm32/boot.lds index 0994787666..06d3471303 100644 --- a/firmware/target/arm/stm32/boot.lds +++ b/firmware/target/arm/stm32/boot.lds @@ -42,7 +42,7 @@ SECTIONS _bssend = .; } > SRAM_AXI - .stack (NOLOAD) : ALIGN(4) + .stack (NOLOAD) : ALIGN(8) { irqstackbegin = .; . += 0x400; -- rockbox-cvs mailing list [email protected] https://lists.haxx.se/mailman/listinfo/rockbox-cvs