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acpi: make bios_linker_loader_add_pointer() API offset based

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cleanup bios_linker_loader_add_pointer() API by switching
arguments to taking offsets relative to corresponding files
instead of doing pointer arithmetic on behalf of user which
were confusing.

Also make offset inside of source file explicit in API
so that user won't have to manually set it in
destination file blob and while at it add additional
boundary checks.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Igor Mammedov 2016-05-19 15:19:29 +02:00 • committed by Michael S. Tsirkin
parent 9774ccf7cd
commit 4678124bb9
6 changed files with 83 additions and 75 deletions
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5
include/hw/acpi/bios-linker-loader.h
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@ -22,9 +22,10 @@ void bios_linker_loader_add_checksum(BIOSLinker *linker, const char *file,
void bios_linker_loader_add_pointer(BIOSLinker *linker,
const char *dest_file,
uint32_t dst_patched_offset,
uint8_t dst_patched_size,
const char *src_file,
void *pointer,
uint8_t pointer_size);
uint32_t src_offset);
void bios_linker_loader_cleanup(BIOSLinker *linker);
#endif