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Return a pointer to the start of a tag in the hwinfo area of the system page
#include <hw/sysinfo.h> void * hwi_off2tag( unsigned offsect );
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
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This function is in libc.a, but not in libc.so (in order to save space). |
The hwi_off2tag() function returns a pointer to the start of the tag, given an offset.
A pointer to the start of the tag.
Safety: | |
---|---|
Cancellation point | No |
Interrupt handler | Yes |
Signal handler | Yes |
Thread | Yes |
hwi_find_item(), hwi_find_tag(), hwi_tag2off()
“Structure of the system page” in the Customizing Image Startup Programs chapter of Building Embedded Systems
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