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Introduce the new timer subsystem.

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Timer subsystem initialization code in core/timer.c

	Split the BIOS and RTDSC timer drivers from i386_timer.c

	Split arch/i386/firmware/pcbios/bios.c into the RTSDC
	timer driver and arch/i386/core/nap.c

	Split the headers properly:
		include/unistd.h - delay functions to be used by the
					gPXE core and drivers.

		include/gpxe/timer.h - the fimer subsystem interface
					to be used by the timer drivers
					and currticks() to be used by
					the code gPXE subsystems.

		include/latch.h	- removed
		include/timer.h - scheduled for removal. Some driver
					are using currticks, which is
					only for core subsystems.

Signed-off-by: Alexey Zaytsev <alexey.zaytsev@gmail.com>
This commit is contained in:
Alexey Zaytsev
2007-12-01 07:07:01 +03:00
parent 844828cb15
commit 4006d229e5
13 changed files with 384 additions and 296 deletions
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8
src/include/unistd.h
View File

@@ -4,7 +4,7 @@
#include <stddef.h>
#include <stdarg.h>
extern unsigned int sleep ( unsigned int seconds );
unsigned int sleep ( unsigned int seconds );
extern int execv ( const char *command, char * const argv[] );
/**
@@ -22,4 +22,10 @@ extern int execv ( const char *command, char * const argv[] );
rc; \
} )
void udelay(unsigned int usecs);
void mdelay(unsigned int msecs);
#define usleep(x) udelay(x)
#endif /* _UNISTD_H */