Module Name: src
Committed By: skrll
Date: Sat Nov 7 10:43:47 UTC 2020
Modified Files:
src/sys/arch/riscv/include: reg.h
Log Message:
Note if a register is Caller / Callee saved
To generate a diff of this commit:
cvs rdiff -u -r1.5 -r1.6 src/sys/arch/riscv/include/reg.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/riscv/include/reg.h
diff -u src/sys/arch/riscv/include/reg.h:1.5 src/sys/arch/riscv/include/reg.h:1.6
--- src/sys/arch/riscv/include/reg.h:1.5 Wed Nov 4 07:41:34 2020
+++ src/sys/arch/riscv/include/reg.h Sat Nov 7 10:43:47 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: reg.h,v 1.5 2020/11/04 07:41:34 skrll Exp $ */
+/* $NetBSD: reg.h,v 1.6 2020/11/07 10:43:47 skrll Exp $ */
/*-
* Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -33,17 +33,17 @@
#define _RISCV_REG_H_
// x0 = 0
-// x1 = ra (return address)
-// x2 = sp (stack pointer)
+// x1 = ra (return address) Caller
+// x2 = sp (stack pointer) Callee
// x3 = gp (global pointer)
// x4 = tp (thread pointer)
-// x5 - x7 = t0 - t2 (temporary)
-// x8 = s0/fp (saved register / frame pointer)
-// x9 = s1 (saved register)
-// x10 - x11 = a0 - a1 (arguments/return values)
-// x12 - x17 = a2 - a7 (arguments)
-// x18 - x27 = s2 - s11 (saved registers)
-// x28 - x31 = t3 - r6 (temporaries)
+// x5 - x7 = t0 - t2 (temporary) Caller
+// x8 = s0/fp (saved register / frame pointer) Callee
+// x9 = s1 (saved register) Callee
+// x10 - x11 = a0 - a1 (arguments/return values) Caller
+// x12 - x17 = a2 - a7 (arguments) Caller
+// x18 - x27 = s2 - s11 (saved registers) Callee
+// x28 - x31 = t3 - r6 (temporaries) Caller
struct reg { // synced with register_t in <riscv/types.h>
#ifdef _LP64
