Module Name: src
Committed By: skrll
Date: Wed Sep 30 16:47:55 UTC 2020
Modified Files:
src/sys/arch/aarch64/aarch64: aarch64_machdep.c
Log Message:
Improve a comment
To generate a diff of this commit:
cvs rdiff -u -r1.48 -r1.49 src/sys/arch/aarch64/aarch64/aarch64_machdep.c
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/aarch64/aarch64/aarch64_machdep.c
diff -u src/sys/arch/aarch64/aarch64/aarch64_machdep.c:1.48 src/sys/arch/aarch64/aarch64/aarch64_machdep.c:1.49
--- src/sys/arch/aarch64/aarch64/aarch64_machdep.c:1.48 Wed Sep 16 18:26:15 2020
+++ src/sys/arch/aarch64/aarch64/aarch64_machdep.c Wed Sep 30 16:47:55 2020
@@ -1,4 +1,4 @@
-/* $NetBSD: aarch64_machdep.c,v 1.48 2020/09/16 18:26:15 skrll Exp $ */
+/* $NetBSD: aarch64_machdep.c,v 1.49 2020/09/30 16:47:55 skrll Exp $ */
/*-
* Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(1, "$NetBSD: aarch64_machdep.c,v 1.48 2020/09/16 18:26:15 skrll Exp $");
+__KERNEL_RCSID(1, "$NetBSD: aarch64_machdep.c,v 1.49 2020/09/30 16:47:55 skrll Exp $");
#include "opt_arm_debug.h"
#include "opt_cpuoptions.h"
@@ -251,11 +251,10 @@ initarm_common(vaddr_t kvm_base, vsize_t
#ifdef MODULAR
/*
- * aarch64 compiler (gcc & llvm) uses R_AARCH_CALL26/R_AARCH_JUMP26
- * for function calling/jumping.
- * (at this time, both compilers doesn't support -mlong-calls)
- * therefore kernel modules should be loaded within maximum 26bit word,
- * or +-128MB from kernel.
+ * The aarch64 compilers (gcc & llvm) use R_AARCH_CALL26/R_AARCH_JUMP26
+ * for function calls (bl)/jumps(b). At this time, neither compiler
+ * supports -mlong-calls therefore the kernel modules should be loaded
+ * within the maximum range of +/-128MB from kernel text.
*/
#define MODULE_RESERVED_MAX (1024 * 1024 * 128)
#define MODULE_RESERVED_SIZE (1024 * 1024 * 32) /* good enough? */
