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core: ignore boot modules with size 0

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A boot module with size 0 previously made Core crash with a page fault in
Region_map_component::attach. This patch prevents the creation of ROM-FS
entries for such modules.

Ref #2490
This commit is contained in:
Martin Stein 2017-08-17 16:28:09 +02:00 committed by Christian Helmuth
parent 23f35370a2
commit 27a608a20a
1 changed files with 6 additions and 1 deletions
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7
repos/base/src/core/platform_rom_modules.cc
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@ -24,9 +24,14 @@ void Platform::_init_rom_modules()
Boot_modules_header *header = &_boot_modules_headers_begin;
for (; header < &_boot_modules_headers_end; header++) {
if (!header->size) {
warning("ignore zero-sized boot module '",
Cstring((char const *)header->name), "'");
continue;
}
Rom_module *rom_module = new (core_mem_alloc())
Rom_module(_rom_module_phys(header->base), header->size,
(const char*)header->name);
(char const *)header->name);
_rom_fs.insert(rom_module);
}
}