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-rw-r--r--hw/ppc/e500.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c
index e5564ce..c36821a 100644
--- a/hw/ppc/e500.c
+++ b/hw/ppc/e500.c
@@ -41,6 +41,7 @@
#define UIMAGE_LOAD_BASE 0
#define DTC_LOAD_PAD 0x1800000
#define DTC_PAD_MASK 0xFFFFF
+#define DTB_MAX_SIZE (8 * 1024 * 1024)
#define INITRD_LOAD_PAD 0x2000000
#define INITRD_PAD_MASK 0xFFFFFF
@@ -629,6 +630,10 @@ void ppce500_init(PPCE500Params *params)
}
cur_base = loadaddr + kernel_size;
+
+ /* Reserve space for dtb */
+ dt_base = (cur_base + DTC_LOAD_PAD) & ~DTC_PAD_MASK;
+ cur_base += DTB_MAX_SIZE;
}
/* Load initrd. */
@@ -651,13 +656,13 @@ void ppce500_init(PPCE500Params *params)
struct boot_info *boot_info;
int dt_size;
- dt_base = (cur_base + DTC_LOAD_PAD) & ~DTC_PAD_MASK;
dt_size = ppce500_load_device_tree(env, params, dt_base, initrd_base,
initrd_size);
if (dt_size < 0) {
fprintf(stderr, "couldn't load device tree\n");
exit(1);
}
+ assert(dt_size < DTB_MAX_SIZE);
boot_info = env->load_info;
boot_info->entry = entry;