git: 2e6ed47a4609 - main - stand: Move MOD_xxx macros from modinfo.h to .c
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Date: Fri, 16 Sep 2022 15:53:57 UTC
The branch main has been updated by imp:
URL: https://cgit.FreeBSD.org/src/commit/?id=2e6ed47a4609ff03a9308a173c64900485172c22
commit 2e6ed47a4609ff03a9308a173c64900485172c22
Author: Warner Losh <imp@FreeBSD.org>
AuthorDate: 2022-09-16 15:08:52 +0000
Commit: Warner Losh <imp@FreeBSD.org>
CommitDate: 2022-09-16 15:18:56 +0000
stand: Move MOD_xxx macros from modinfo.h to .c
Now that MOD_xxx macros are modinfo.c, they don't need to be in
modinfo.h.
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D36573
---
stand/common/modinfo.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++++-
stand/common/modinfo.h | 63 -----------------------------------------------
2 files changed, 65 insertions(+), 64 deletions(-)
diff --git a/stand/common/modinfo.c b/stand/common/modinfo.c
index a274890ace64..15116b3b9b78 100644
--- a/stand/common/modinfo.c
+++ b/stand/common/modinfo.c
@@ -42,7 +42,69 @@
#include "bootstrap.h"
#include "modinfo.h"
-static int align;
+/*
+ * Copy module-related data into the load area, where it can be
+ * used as a directory for loaded modules.
+ *
+ * Module data is presented in a self-describing format. Each datum
+ * is preceded by a 32-bit identifier and a 32-bit size field.
+ *
+ * Currently, the following data are saved:
+ *
+ * MOD_NAME (variable) module name (string)
+ * MOD_TYPE (variable) module type (string)
+ * MOD_ARGS (variable) module parameters (string)
+ * MOD_ADDR sizeof(vm_offset_t) module load address
+ * MOD_SIZE sizeof(size_t) module size
+ * MOD_METADATA (variable) type-specific metadata
+ *
+ * Clients are required to define a MOD_ALIGN(l) macro which rounds the passed
+ * in length to the required alignment for the kernel being booted.
+ */
+
+#define COPY32(v, a, c) { \
+ uint32_t x = (v); \
+ if (c) \
+ archsw.arch_copyin(&x, a, sizeof(x)); \
+ a += sizeof(x); \
+}
+
+#define MOD_STR(t, a, s, c) { \
+ COPY32(t, a, c); \
+ COPY32(strlen(s) + 1, a, c) \
+ if (c) \
+ archsw.arch_copyin(s, a, strlen(s) + 1);\
+ a += MOD_ALIGN(strlen(s) + 1); \
+}
+
+#define MOD_NAME(a, s, c) MOD_STR(MODINFO_NAME, a, s, c)
+#define MOD_TYPE(a, s, c) MOD_STR(MODINFO_TYPE, a, s, c)
+#define MOD_ARGS(a, s, c) MOD_STR(MODINFO_ARGS, a, s, c)
+
+#define MOD_VAR(t, a, s, c) { \
+ COPY32(t, a, c); \
+ COPY32(sizeof(s), a, c); \
+ if (c) \
+ archsw.arch_copyin(&s, a, sizeof(s)); \
+ a += MOD_ALIGN(sizeof(s)); \
+}
+
+#define MOD_ADDR(a, s, c) MOD_VAR(MODINFO_ADDR, a, s, c)
+#define MOD_SIZE(a, s, c) MOD_VAR(MODINFO_SIZE, a, s, c)
+
+#define MOD_METADATA(a, mm, c) { \
+ COPY32(MODINFO_METADATA | mm->md_type, a, c);\
+ COPY32(mm->md_size, a, c); \
+ if (c) \
+ archsw.arch_copyin(mm->md_data, a, mm->md_size);\
+ a += MOD_ALIGN(mm->md_size); \
+}
+
+#define MOD_END(a, c) { \
+ COPY32(MODINFO_END, a, c); \
+ COPY32(0, a, c); \
+}
+
#define MOD_ALIGN(l) roundup(l, align)
vm_offset_t
@@ -53,7 +115,9 @@ md_copymodules(vm_offset_t addr, bool kern64)
uint64_t scratch64;
uint32_t scratch32;
int c;
+ int align;
+ align = kern64 ? sizeof(uint64_t) : sizeof(uint32_t);
c = addr != 0;
/* start with the first module on the list, should be the kernel */
for (fp = file_findfile(NULL, NULL); fp != NULL; fp = fp->f_next) {
diff --git a/stand/common/modinfo.h b/stand/common/modinfo.h
index 3d7f26a3c963..fc56173e1c51 100644
--- a/stand/common/modinfo.h
+++ b/stand/common/modinfo.h
@@ -6,69 +6,6 @@
#ifndef COMMON_MODINFO_H
#define COMMON_MODINFO_H
-/*
- * Copy module-related data into the load area, where it can be
- * used as a directory for loaded modules.
- *
- * Module data is presented in a self-describing format. Each datum
- * is preceded by a 32-bit identifier and a 32-bit size field.
- *
- * Currently, the following data are saved:
- *
- * MOD_NAME (variable) module name (string)
- * MOD_TYPE (variable) module type (string)
- * MOD_ARGS (variable) module parameters (string)
- * MOD_ADDR sizeof(vm_offset_t) module load address
- * MOD_SIZE sizeof(size_t) module size
- * MOD_METADATA (variable) type-specific metadata
- *
- * Clients are required to define a MOD_ALIGN(l) macro which rounds the passed
- * in length to the required alignment for the kernel being booted.
- */
-
-#define COPY32(v, a, c) { \
- uint32_t x = (v); \
- if (c) \
- archsw.arch_copyin(&x, a, sizeof(x)); \
- a += sizeof(x); \
-}
-
-#define MOD_STR(t, a, s, c) { \
- COPY32(t, a, c); \
- COPY32(strlen(s) + 1, a, c) \
- if (c) \
- archsw.arch_copyin(s, a, strlen(s) + 1);\
- a += MOD_ALIGN(strlen(s) + 1); \
-}
-
-#define MOD_NAME(a, s, c) MOD_STR(MODINFO_NAME, a, s, c)
-#define MOD_TYPE(a, s, c) MOD_STR(MODINFO_TYPE, a, s, c)
-#define MOD_ARGS(a, s, c) MOD_STR(MODINFO_ARGS, a, s, c)
-
-#define MOD_VAR(t, a, s, c) { \
- COPY32(t, a, c); \
- COPY32(sizeof(s), a, c); \
- if (c) \
- archsw.arch_copyin(&s, a, sizeof(s)); \
- a += MOD_ALIGN(sizeof(s)); \
-}
-
-#define MOD_ADDR(a, s, c) MOD_VAR(MODINFO_ADDR, a, s, c)
-#define MOD_SIZE(a, s, c) MOD_VAR(MODINFO_SIZE, a, s, c)
-
-#define MOD_METADATA(a, mm, c) { \
- COPY32(MODINFO_METADATA | mm->md_type, a, c);\
- COPY32(mm->md_size, a, c); \
- if (c) \
- archsw.arch_copyin(mm->md_data, a, mm->md_size);\
- a += MOD_ALIGN(mm->md_size); \
-}
-
-#define MOD_END(a, c) { \
- COPY32(MODINFO_END, a, c); \
- COPY32(0, a, c); \
-}
-
vm_offset_t md_copymodules(vm_offset_t addr, bool kern64);
#endif /* COMMON_MODINFO_H */