format calling convention

2026-08-31 10:17:25 +02:00
parent 4bce47209a
commit daf4168129
1 changed files with 8 additions and 6 deletions
@@ -15,12 +15,14 @@ If you are intersted in contributing have a look at [[CONTRIBUTING.md]]
 ## ABI

 ### Calling Convention
-n.a. zr
-preserved: sp, r8 - r12
-scratch: flags, r1 - r7
-arguments: r1 - r7 (r1 = 1st argument, r6 = 6th arg/stack args, r7 = 7th arg/stack res)
-result: r1, r2 (r1 = low word, r2 = high word)
-return address: r13
+| class | registers |
+| ----- | --------- |
+| n.a. | zr |
+| preserved | sp, r8 - r12 |
+| scratch | flags, r1 - r7 |
+| arguments | r1 - r5, r6 = stack args, r7 = stack res |
+| result | r1 = low word, r2 = high word |
+| return address | r13 |

 ### Stack
 grows downwards from top of memory