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Return the offset from the start of the hwinfo area of the system page
#include <hw/sysinfo.h> unsigned hwi_tag2off( void *tag );
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). |
Given a pointer to the start of a tag, the hwi_tag2off() function returns the offset, in bytes, from the beginning of the start of the hwinfo section.
The offset of the tag, in bytes.
Safety: | |
---|---|
Cancellation point | No |
Interrupt handler | Yes |
Signal handler | Yes |
Thread | Yes |
hwi_find_item(), hwi_find_tag(), hwi_off2tag()
“Structure of the system page” in the Customizing Image Startup Programs chapter of Building Embedded Systems
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