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Diffstat (limited to 'picosoc/start.s')
| -rw-r--r-- | picosoc/start.s | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/picosoc/start.s b/picosoc/start.s new file mode 100644 index 0000000..47312d8 --- /dev/null +++ b/picosoc/start.s @@ -0,0 +1,61 @@ +.section .text + +start: +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 + +li sp, 4*256 +call main +j start + +.global cmd_read_spi_flash_id_worker_begin +.global cmd_read_spi_flash_id_worker_end + +cmd_read_spi_flash_id_worker_begin: +li t0,0x02000008 +li t1,'F' +sw t1,0(t0) +li t1,'I' +sw t1,0(t0) +li t1,'X' +sw t1,0(t0) +li t1,'M' +sw t1,0(t0) +li t1,'E' +sw t1,0(t0) +li t1,'\r' +sw t1,0(t0) +li t1,'\n' +sw t1,0(t0) +ret +cmd_read_spi_flash_id_worker_end: + |