From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 01/12] ARM zImage: do memmap if possible
Date: Mon, 29 Mar 2010 11:36:12 +0200 [thread overview]
Message-ID: <1269855383-22716-2-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1269855383-22716-1-git-send-email-s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
arch/arm/lib/armlinux.c | 16 ++++++++++------
1 files changed, 10 insertions(+), 6 deletions(-)
diff --git a/arch/arm/lib/armlinux.c b/arch/arm/lib/armlinux.c
index 2415c29..ec9ad8e 100644
--- a/arch/arm/lib/armlinux.c
+++ b/arch/arm/lib/armlinux.c
@@ -241,7 +241,7 @@ static int do_bootz(struct command *cmdtp, int argc, char *argv[])
const char *commandline = getenv("bootargs");
int fd, ret;
struct zimage_header header;
- void *zimage;
+ void *zimage, *m;
if (argc != 2) {
barebox_cmd_usage(cmdtp);
@@ -263,11 +263,15 @@ static int do_bootz(struct command *cmdtp, int argc, char *argv[])
zimage = xmalloc(header.end);
memcpy(zimage, &header, sizeof(header));
-
- ret = read(fd, zimage + sizeof(header), header.end - sizeof(header));
- if (ret < header.end - sizeof(header)) {
- printf("could not read %s\n", argv[1]);
- goto err_out1;
+ m = memmap(fd, PROT_READ);
+ if (m != (void *)-1) {
+ memcpy(zimage, m, header.end);
+ } else {
+ ret = read(fd, zimage + sizeof(header), header.end - sizeof(header));
+ if (ret < header.end - sizeof(header)) {
+ printf("could not read %s\n", argv[1]);
+ goto err_out1;
+ }
}
theKernel = zimage;
--
1.7.0
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next prev parent reply other threads:[~2010-03-29 9:37 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-29 9:36 Patches for next merge window Sascha Hauer
2010-03-29 9:36 ` Sascha Hauer [this message]
2010-03-29 18:47 ` [PATCH 01/12] ARM zImage: do memmap if possible Peter Korsgaard
2010-03-30 9:20 ` Sascha Hauer
2010-03-30 10:01 ` Peter Korsgaard
2010-03-30 12:18 ` Sascha Hauer
2010-03-29 9:36 ` [PATCH 02/12] nand_imx: use optimized memcpy Sascha Hauer
2010-03-29 9:36 ` [PATCH 03/12] nand_imx: Speed up sequential read Sascha Hauer
2010-03-29 9:36 ` [PATCH 04/12] imx_nand: use memcpy for copying from/to buffer Sascha Hauer
2010-03-29 10:42 ` Ivo Clarysse
2010-03-29 9:36 ` [PATCH 05/12] add unaligned access support Sascha Hauer
2010-03-29 9:36 ` [PATCH 06/12] add unlzo support Sascha Hauer
2010-03-30 11:04 ` Sascha Hauer
2010-03-29 9:36 ` [PATCH 07/12] add snprintf function Sascha Hauer
2010-03-29 9:36 ` [PATCH 08/12] echo: add -e option support Sascha Hauer
2010-03-30 11:45 ` Peter Korsgaard
2010-03-30 12:17 ` Sascha Hauer
2010-03-29 9:36 ` [PATCH 09/12] add process_escape_sequence function Sascha Hauer
2010-03-29 9:36 ` [PATCH 10/12] echo command: Add -e option Sascha Hauer
2010-03-29 9:36 ` [PATCH 11/12] hush: only remove backslashes introduced from glob Sascha Hauer
2010-03-29 10:00 ` Sascha Hauer
2010-03-29 9:36 ` [PATCH 12/12] hush: allow fancy prompts Sascha Hauer
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