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authorStefan Reinauer <stepan@coresystems.de>2010-03-25 18:53:20 +0000
committerStefan Reinauer <stepan@openbios.org>2010-03-25 18:53:20 +0000
commitd361308f1862a9c662a21ffe50aed08fb4c4fdb7 (patch)
tree2e414eb2a369939342a9dd0bc21993d420834eef /payloads
parent1beabe10cded46a7b21b6ab163f95b1e19172492 (diff)
downloadcoreboot-d361308f1862a9c662a21ffe50aed08fb4c4fdb7.tar.xz
prevent timer overflows in libpayload
Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Patrick Georgi <patrick.georgi@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5292 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'payloads')
-rw-r--r--payloads/libpayload/arch/i386/timer.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/payloads/libpayload/arch/i386/timer.c b/payloads/libpayload/arch/i386/timer.c
index 3d8607b3cb..ae288eb94e 100644
--- a/payloads/libpayload/arch/i386/timer.c
+++ b/payloads/libpayload/arch/i386/timer.c
@@ -88,7 +88,7 @@ static inline void _delay(unsigned long long delta)
*/
void ndelay(unsigned int n)
{
- _delay(n * cpu_khz / 1000000);
+ _delay((unsigned long long)n * cpu_khz / 1000000);
}
/**
@@ -98,7 +98,7 @@ void ndelay(unsigned int n)
*/
void udelay(unsigned int n)
{
- _delay(n * cpu_khz / 1000);
+ _delay((unsigned long long)n * cpu_khz / 1000);
}
/**
@@ -108,7 +108,7 @@ void udelay(unsigned int n)
*/
void mdelay(unsigned int m)
{
- _delay(m * cpu_khz);
+ _delay((unsigned long long)m * cpu_khz);
}
/**
@@ -118,5 +118,7 @@ void mdelay(unsigned int m)
*/
void delay(unsigned int s)
{
- _delay(s * cpu_khz * 1000);
+ int i;
+ for (i=0; i<1000; i++)
+ _delay((unsigned long long)s * cpu_khz);
}