Changeset d59718e in mainline for boot/arch/ppc32/src/main.c

Timestamp:

2018-10-21T21:57:23Z (6 years ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

cfdeedc

Parents:

566457ad

Message:

Move stack to always be after all boot allocations

This works around an issue on pcc32.
Since this is not a proper solution and I've so far been unable
to determine root cause, I'm also opening a ticket to track it.

File:

• boot/arch/ppc32/src/main.c (modified) (1 diff)

boot/arch/ppc32/src/main.c

@@ -97 +97 @@
         size_t pages = (balloc_start + ALIGN_UP(BALLOC_MAX_SIZE, PAGE_SIZE)) >>
             PAGE_WIDTH;
+
+        printf(" Boot allocations area: %p - %p\n", (void *) balloc_start,
+            (void *) (pages << PAGE_WIDTH));
+
+        if ((pages << PAGE_WIDTH) >= (uintptr_t) loader_address_pa) {
+                printf("Boot allocations overlap loader area.\n");
+                printf("The boot image is too large. Halting.\n");
+                halt();
+        }
+
         void *transtable;
         void *transtable_pa;