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This change adds PPC support to libpayload, and hooks it up in the build

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process.
The PPC support is still stubbed, with commented out x86 code as guide
line for an implementor.

Signed-off-by: Patrick Georgi <patrick.georgi@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4293 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Patrick Georgi
2009-05-21 10:02:52 +00:00
parent 1e6f6929c1
commit d385ed29b9
34 changed files with 1058 additions and 27 deletions
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16
payloads/libpayload/libc/malloc.c
View File

@ -103,16 +103,22 @@ static void *alloc(int len)
void *nptr = ptr + (HDRSIZE + len);
int nsize = size - (HDRSIZE + len);
/* Mark the block as used. */
*((hdrtype_t *) ptr) = USED_BLOCK(len);
/* If there is still room in this block,
* then mark it as such.
* then mark it as such otherwise account
* the whole space for that block.
*/
if (nsize > 0)
if (nsize > 0) {
/* Mark the block as used. */
*((hdrtype_t *) ptr) = USED_BLOCK(len);
/* Create a new free block. */
*((hdrtype_t *) nptr) =
FREE_BLOCK(nsize);
} else {
/* Mark the block as used. */
*((hdrtype_t *) ptr) = USED_BLOCK(size);
}
return (void *)(ptr + HDRSIZE);
}

12
payloads/libpayload/libc/time.c
View File

@ -34,7 +34,9 @@
#include <libpayload-config.h>
#include <libpayload.h>
#ifdef CONFIG_TARGET_I386
#include <arch/rdtsc.h>
#endif
extern u32 cpu_khz;
@ -47,6 +49,7 @@ static struct {
#define TICKS_PER_SEC (cpu_khz * 1000)
#define TICKS_PER_USEC (cpu_khz / 1000)
#ifdef CONFIG_TARGET_I386
static void update_clock(void)
{
u64 delta = rdtsc() - clock.ticks;
@ -114,7 +117,16 @@ static void gettimeofday_init(void)
clock.ticks = rdtsc();
}
#endif
#endif
#ifdef CONFIG_TARGET_POWERPC
static void update_clock(void)
{
}
static void gettimeofday_init(void)
{
}
#endif
/**
* Return the current time broken into a timeval structure.
*