Commit d37f496e authored by Peter Marheine's avatar Peter Marheine Committed by Carles Cufi
Browse files

it8xxx2: allow placing arithmetic functions in ILM 



These functions are small and may be very hot depending on the workload,
so are usually a good choice to execute from RAM.

Signed-off-by: default avatarPeter Marheine <pmarheine@chromium.org>
parent d4549ed8

soc/riscv/riscv-ite/it8xxx2/__arithmetic.S

+7 −1
Original line number Diff line number Diff line
@@ -10,8 +10,14 @@ 
 * The workaround requires the nop instruction, please don't optimize it.

 */



#ifdef CONFIG_SOC_IT8XXX2_USE_ILM

#define SECTION .__ram_code.arithmetic.

#else

#define SECTION .text.it8xxx2.arithmetic.

#endif



.macro __int_arithmetic func opcode

.section .text

.section SECTION\func

.align 2

.globl \func

.type \func, @function

soc/riscv/riscv-ite/it8xxx2/linker.ld

+1 −0
Original line number Diff line number Diff line
@@ -147,6 +147,7 @@ SECTIONS 
		__ilm_flash_start = .;

		/* Specially-tagged functions in SoC sources */

		KEEP(*(.__ram_code))

		*(.__ram_code.*)

		__ilm_flash_end = .;

		/* ILM mapping is always a multiple of 4k size; ensure following

		 * sections won't incorrectly redirect to RAM. */

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