RISC-V
Register
參考資訊:
1. RISC-V
表格如下:
Register | Symbolic | Description |
---|---|---|
x0 | zero | always zero |
x1 | ra | return address |
x2 | sp | stack pointer |
x3 | gp | global pointer |
x4 | tp | thread pointer |
x5 | t0 | temporary |
x6-x7 | t1-t2 | temporary |
x8 | s0/fp | saved register/frame pointer |
x9 | s1 | saved register |
x10-x11 | a0-a1 | function argument/return value |
x12-x17 | a2-a7 | function argument |
x18-x27 | s2-s11 | saved register |
x28-x31 | t3-t6 | temporary |
f0-f7 | ft0-ft7 | temporary |
f8-f9 | fs0-fs1 | saved register |
f10-f11 | fa0-fa1 | argument/return value |
f12-f17 | fa2-fa7 | argument |
f18-f27 | fs2-fs11 | saved register |
f28-f31 | ft8-ft11 | temporary |