URL https://opencores.org/ocsvn/an-fpga-implementation-of-low-latency-noc-based-mpsoc/an-fpga-implementation-of-low-latency-noc-based-mpsoc/trunk

Subversion Repositories an-fpga-implementation-of-low-latency-noc-based-mpsoc

[/] [an-fpga-implementation-of-low-latency-noc-based-mpsoc/] [trunk/] [mpsoc/] [src_processor/] [aeMB/] [sw/] [aemb/] [semaphore.hh] - Diff between revs 17 and 48

Rev 17	Rev 48
Line 47...	Line 47...
`/**`	`/**`
`Software Semaphore Signal.`	`Software Semaphore Signal.`

`Increment the semaphore and run. This is a software mechanism.`	`Increment the semaphore and run. This is a software mechanism.`
`*/`	`*/`
`inline void aembSignal(volatile semaphore _sem)`	`static inline void aembSignal(volatile semaphore _sem)`
`{`	`{`
`_aembLockMTX();`	`_aembLockMTX();`
`_sem++;`	`_sem++;`
`_aembFreeMTX();`	`_aembFreeMTX();`
`}`	`}`
Line 60...	Line 60...
`Software Semaphore Wait.`	`Software Semaphore Wait.`

`Decrement the semaphore and block if < 0. This is a software`	`Decrement the semaphore and block if < 0. This is a software`
`mechanism.`	`mechanism.`
`*/`	`*/`
`inline void aembWait(volatile semaphore _sem)`	`static inline void aembWait(volatile semaphore _sem)`
`{`	`{`
`_aembLockMTX();`	`_aembLockMTX();`
`_sem--;`	`_sem--;`
`_aembFreeMTX();`	`_aembFreeMTX();`
`while (_sem < 0);`	`while (_sem < 0);`
`}`	`}`

`semaphore __mutex_rendezvous0 = 0; ///< internal rendezvous mutex`
`semaphore __mutex_rendezvous1 = 1; ///< internal rendezvous mutex`

`/**`	`/**`
`Implements a simple rendezvous mechanism`	`Implements a simple rendezvous mechanism`
`*/`	`*/`
`/*`	`/*`
`inline void aembRendezvous()`	`static inline void aembRendezvous()`
`{`	`{`
`if (isThread1())`	`if (isThread1())`
`{`	`{`
`wait(__mutex_rendezvous0);`	`wait(__mutex_rendezvous0);`
`signal(__mutex_rendezvous1);`	`signal(__mutex_rendezvous1);`