diff options
Diffstat (limited to 'src/pmem.c')
| -rw-r--r-- | src/pmem.c | 9 |
1 files changed, 6 insertions, 3 deletions
@@ -612,6 +612,11 @@ retry: return 0; } +/** Actual kernel size in bytes. Populated by `_start`, as I don't think we + * have enough control from C to get both LLVM and GCC to output correct code + * if this was just a virtual symbol defined in a linker file. */ +size_t kernel_size = 0; + void init_pmem(void *fdt, uintptr_t load_addr) { /** @todo should I keep the info outputs? I suppose it's nice to see @@ -650,13 +655,11 @@ void init_pmem(void *fdt, uintptr_t load_addr) size_t probe_size = probe_pmap(0, ram_size, 0); info("pmem map probe size returned %lu\n", probe_size); - /* linker magicry */ - extern char *__kernel_size; /* avoidance regions, note that stack and so on is included in the * kernel. Addresses can be outside RAM, in which case they are just * ignored. */ struct avoid_region avoid[64] = { - {(pm_t)__va(load_addr), (pm_t)&__kernel_size}, + {(pm_t)__va(load_addr), kernel_size}, {(pm_t)__va(initrd_base), initrd_size}, {(pm_t)__va(fdt_base), fdt_size} }; |