picorv32/scripts/vivado/firmware.S

.section .init
.global main

/* set stack pointer */
lui sp, %hi(16*1024)
addi sp, sp, %lo(16*1024)

/* call main */
jal ra, main

/* break */
ebreak
Vivado "system" example 2015-07-09 08:48:14 +08:00			`.section .init`
			`.global main`

			`/* set stack pointer */`
			`lui sp, %hi(16*1024)`
			`addi sp, sp, %lo(16*1024)`

			`/* call main */`
			`jal ra, main`

			`/* break */`
RISC-V ISA 2.1 now calls "sbreak" officially "ebreak" 2016-06-06 16:46:52 +08:00			`ebreak`