Module Name: src
Committed By: jmcneill
Date: Thu Jun 29 20:55:10 UTC 2017
Modified Files:
src/sys/arch/arm/fdt: arm_fdt.c arm_fdtvar.h
Log Message:
Add arm_fdt_memory_dump helper for dumping physical addresses from ddb
To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/sys/arch/arm/fdt/arm_fdt.c
cvs rdiff -u -r1.5 -r1.6 src/sys/arch/arm/fdt/arm_fdtvar.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/arm/fdt/arm_fdt.c
diff -u src/sys/arch/arm/fdt/arm_fdt.c:1.3 src/sys/arch/arm/fdt/arm_fdt.c:1.4
--- src/sys/arch/arm/fdt/arm_fdt.c:1.3 Tue May 30 22:00:25 2017
+++ src/sys/arch/arm/fdt/arm_fdt.c Thu Jun 29 20:55:10 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: arm_fdt.c,v 1.3 2017/05/30 22:00:25 jmcneill Exp $ */
+/* $NetBSD: arm_fdt.c,v 1.4 2017/06/29 20:55:10 jmcneill Exp $ */
/*-
* Copyright (c) 2017 Jared D. McNeill <jmcne...@invisible.ca>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: arm_fdt.c,v 1.3 2017/05/30 22:00:25 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: arm_fdt.c,v 1.4 2017/06/29 20:55:10 jmcneill Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -143,3 +143,26 @@ arm_fdt_irq_handler(void *tf)
{
_arm_fdt_irq_handler(tf);
}
+
+void
+arm_fdt_memory_dump(paddr_t pa)
+{
+ const struct arm_platform *plat = arm_fdt_platform();
+ struct fdt_attach_args faa;
+ bus_space_tag_t bst;
+ bus_space_handle_t bsh;
+
+ plat->init_attach_args(&faa);
+
+ bst = faa.faa_bst;
+ bus_space_map(bst, pa, 0x100, 0, &bsh);
+
+ for (int i = 0; i < 0x100; i += 0x10) {
+ printf("%" PRIxPTR ": %08x %08x %08x %08x\n",
+ (uintptr_t)(pa + i),
+ bus_space_read_4(bst, bsh, i + 0),
+ bus_space_read_4(bst, bsh, i + 4),
+ bus_space_read_4(bst, bsh, i + 8),
+ bus_space_read_4(bst, bsh, i + 12));
+ }
+}
Index: src/sys/arch/arm/fdt/arm_fdtvar.h
diff -u src/sys/arch/arm/fdt/arm_fdtvar.h:1.5 src/sys/arch/arm/fdt/arm_fdtvar.h:1.6
--- src/sys/arch/arm/fdt/arm_fdtvar.h:1.5 Fri Jun 2 13:53:28 2017
+++ src/sys/arch/arm/fdt/arm_fdtvar.h Thu Jun 29 20:55:10 2017
@@ -1,4 +1,4 @@
-/* $NetBSD: arm_fdtvar.h,v 1.5 2017/06/02 13:53:28 jmcneill Exp $ */
+/* $NetBSD: arm_fdtvar.h,v 1.6 2017/06/29 20:55:10 jmcneill Exp $ */
/*-
* Copyright (c) 2017 Jared D. McNeill <jmcne...@invisible.ca>
@@ -71,4 +71,6 @@ void arm_fdt_cpu_hatch(struct cpu_inf
void arm_fdt_irq_set_handler(void (*)(void *));
void arm_fdt_irq_handler(void *);
+void arm_fdt_memory_dump(paddr_t);
+
#endif /* !_ARM_ARM_FDTVAR_H */
