Module Name: src
Committed By: jmcneill
Date: Thu Aug 23 22:34:03 UTC 2018
Modified Files:
src/sys/arch/evbarm/fdt: fdt_machdep.c
Log Message:
Deal with reserved memory ranges that start before mem start
To generate a diff of this commit:
cvs rdiff -u -r1.32 -r1.33 src/sys/arch/evbarm/fdt/fdt_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/evbarm/fdt/fdt_machdep.c
diff -u src/sys/arch/evbarm/fdt/fdt_machdep.c:1.32 src/sys/arch/evbarm/fdt/fdt_machdep.c:1.33
--- src/sys/arch/evbarm/fdt/fdt_machdep.c:1.32 Sun Aug 5 14:02:36 2018
+++ src/sys/arch/evbarm/fdt/fdt_machdep.c Thu Aug 23 22:34:03 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: fdt_machdep.c,v 1.32 2018/08/05 14:02:36 skrll Exp $ */
+/* $NetBSD: fdt_machdep.c,v 1.33 2018/08/23 22:34:03 jmcneill Exp $ */
/*-
* Copyright (c) 2015-2017 Jared McNeill <[email protected]>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: fdt_machdep.c,v 1.32 2018/08/05 14:02:36 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: fdt_machdep.c,v 1.33 2018/08/23 22:34:03 jmcneill Exp $");
#include "opt_machdep.h"
#include "opt_bootconfig.h"
@@ -213,7 +213,7 @@ fdt_add_reserved_memory_range(uint64_t a
* Exclude memory ranges from memory config from the device tree
*/
static void
-fdt_add_reserved_memory(uint64_t max_addr)
+fdt_add_reserved_memory(uint64_t min_addr, uint64_t max_addr)
{
uint64_t addr, size;
int index, error;
@@ -224,8 +224,14 @@ fdt_add_reserved_memory(uint64_t max_add
&addr, &size);
if (error != 0 || size == 0)
continue;
+ if (addr + size <= min_addr)
+ continue;
if (addr >= max_addr)
continue;
+ if (addr < min_addr) {
+ size -= (min_addr - addr);
+ addr = min_addr;
+ }
if (addr + size > max_addr)
size = max_addr - addr;
fdt_add_reserved_memory_range(addr, size);
@@ -263,7 +269,7 @@ fdt_build_bootconfig(uint64_t mem_start,
VPRINTF("MEM: add %" PRIx64 "-%" PRIx64 "\n", addr, addr + size);
}
- fdt_add_reserved_memory(mem_end);
+ fdt_add_reserved_memory(mem_start, mem_end);
const uint64_t initrd_size = initrd_end - initrd_start;
if (initrd_size > 0)
