mirror of https://github.com/YosysHQ/picorv32.git
58 lines
1.0 KiB
ArmAsm
58 lines
1.0 KiB
ArmAsm
|
.section .text.start
|
||
|
|
.global testcollection
|
||
|
|
|
||
|
|
/* zero-initialize all registers */
|
||
|
|
addi x1, zero, 0
|
||
|
|
addi x2, zero, 0
|
||
|
|
addi x3, zero, 0
|
||
|
|
addi x4, zero, 0
|
||
|
|
addi x5, zero, 0
|
||
|
|
addi x6, zero, 0
|
||
|
|
addi x7, zero, 0
|
||
|
|
addi x8, zero, 0
|
||
|
|
addi x9, zero, 0
|
||
|
|
addi x10, zero, 0
|
||
|
|
addi x11, zero, 0
|
||
|
|
addi x12, zero, 0
|
||
|
|
addi x13, zero, 0
|
||
|
|
addi x14, zero, 0
|
||
|
|
addi x15, zero, 0
|
||
|
|
addi x16, zero, 0
|
||
|
|
addi x17, zero, 0
|
||
|
|
addi x18, zero, 0
|
||
|
|
addi x19, zero, 0
|
||
|
|
addi x20, zero, 0
|
||
|
|
addi x21, zero, 0
|
||
|
|
addi x22, zero, 0
|
||
|
|
addi x23, zero, 0
|
||
|
|
addi x24, zero, 0
|
||
|
|
addi x25, zero, 0
|
||
|
|
addi x26, zero, 0
|
||
|
|
addi x27, zero, 0
|
||
|
|
addi x28, zero, 0
|
||
|
|
addi x29, zero, 0
|
||
|
|
addi x30, zero, 0
|
||
|
|
addi x31, zero, 0
|
||
|
|
|
||
|
|
/* set stack pointer */
|
||
|
|
lui sp, %hi(64*1024)
|
||
|
|
addi sp, sp, %lo(64*1024)
|
||
|
|
|
||
|
|
/* push zeros on the stack for argc and argv */
|
||
|
|
/* (stack is aligned to 16 bytes in riscv calling convention) */
|
||
|
|
addi sp,sp,-16
|
||
|
|
sw zero,0(sp)
|
||
|
|
sw zero,4(sp)
|
||
|
|
sw zero,8(sp)
|
||
|
|
sw zero,12(sp)
|
||
|
|
|
||
|
|
/* call test */
|
||
|
|
call testcollection
|
||
|
|
|
||
|
|
/* write test results */
|
||
|
|
lui x1, %hi(0x10000000)
|
||
|
|
addi x1, x1, %lo(0x10000000)
|
||
|
|
sw x5, 0(x1)
|
||
|
|
|
||
|
|
ebreak
|