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authorMarian Balakowicz <m8@semihalf.com>2008-05-07 13:10:04 +0200
committerWolfgang Denk <wd@denx.de>2008-05-10 00:16:13 +0200
commit1b5605ca57fbb364f4d78eeee28b974ed875e888 (patch)
tree0a19c491ded69f7b2e1771e654e6b90807bde522 /common
parentc59518e15949b3403df5c5b0c2c48ea0e5bea24b (diff)
Avoid initrd and logbuffer area overlaps
Add logbuffer to reserved LMB areas to prevent initrd allocation from overlaping with it. Make sure to use correct logbuffer base address. Signed-off-by: Marian Balakowicz <m8@semihalf.com>
Diffstat (limited to 'common')
-rw-r--r--common/cmd_log.c8
-rw-r--r--common/image.c7
2 files changed, 14 insertions, 1 deletions
diff --git a/common/cmd_log.c b/common/cmd_log.c
index b9f9ba034..8e04941d6 100644
--- a/common/cmd_log.c
+++ b/common/cmd_log.c
@@ -66,6 +66,12 @@ static logbuff_t *log;
#endif
static char *lbuf;
+unsigned long __logbuffer_base(void)
+{
+ return CFG_SDRAM_BASE + gd->bd->bi_memsize - LOGBUFF_LEN;
+}
+unsigned long logbuffer_base (void) __attribute__((weak, alias("__logbuffer_base")));
+
void logbuff_init_ptrs (void)
{
unsigned long tag, post_word;
@@ -75,7 +81,7 @@ void logbuff_init_ptrs (void)
log = (logbuff_t *)CONFIG_ALT_LH_ADDR;
lbuf = (char *)CONFIG_ALT_LB_ADDR;
#else
- log = (logbuff_t *)(gd->bd->bi_memsize-LOGBUFF_LEN) - 1;
+ log = (logbuff_t *)(logbuffer_base ()) - 1;
lbuf = (char *)log->buf;
#endif
diff --git a/common/image.c b/common/image.c
index f4070fb38..f7faf504d 100644
--- a/common/image.c
+++ b/common/image.c
@@ -36,6 +36,10 @@
#include <dataflash.h>
#endif
+#ifdef CONFIG_LOGBUFFER
+#include <logbuff.h>
+#endif
+
#if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE)
#include <rtc.h>
#endif
@@ -1018,6 +1022,9 @@ int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len,
initrd_high = ~0;
}
+ /* Prevent initrd from overwriting logbuffer */
+ lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE);
+
debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
initrd_high, initrd_copy_to_ram);