diff options
| author | kuaLeYi <kualeyidxa@gmail.com> | 2018-11-20 09:45:51 -0600 |
|---|---|---|
| committer | Joel Sherrill <joel@rtems.org> | 2018-11-20 09:45:51 -0600 |
| commit | bde6ac2060a955f8aa4802cd5e1c5abd759534e0 (patch) | |
| tree | baf5c1570ee252c6d2b1a1999a6ae71fcaa9e9c3 /cpukit/libdrvmgr | |
| parent | psxtmutexattr01: Added new POSIX timing suite (GCI 2018) (diff) | |
| download | rtems-bde6ac2060a955f8aa4802cd5e1c5abd759534e0.tar.bz2 | |
Misc: Minor English fixes (GCI 2018)
Diffstat (limited to 'cpukit/libdrvmgr')
| -rw-r--r-- | cpukit/libdrvmgr/README | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/cpukit/libdrvmgr/README b/cpukit/libdrvmgr/README index 0f7dde638e..d0ef23354c 100644 --- a/cpukit/libdrvmgr/README +++ b/cpukit/libdrvmgr/README @@ -7,7 +7,7 @@ http://www.gaisler.com/anonftp/rcc/doc/. INITIALIZATION ============== -The Driver Manager can be intialized in two different ways: +The Driver Manager can be initialized in two different ways: 1. during RTEMS startup 2. started by user, typically in the Init task @@ -33,11 +33,11 @@ Most of the problems above are solved for the two methods by specifying in which initialization levels IRQ handling is done. See Level 1 and Level 2 below. -Other differences is that IRQ, System Clock Timer, debug Console -and Console can be initialized by the help of the driver manager +Other differences are that IRQ, System Clock Timer, debug Console +and Console can be initialized with the help of the driver manager when initialized during start up. Between Level0 and Level1 the -RTEMS I/O Manager drivers are initialized. The LEON3 BSP has -therefore two different versions of the basic drivers. +RTEMS I/O Manager drivers are initialized. The LEON3 BSP therefore +has two different versions of the basic drivers. LEVEL0 @@ -48,7 +48,7 @@ driver. LEVEL1 - FIND/RESET/IRQ Clear ----------------------------- -The driver is for the first time informed of the presence of a +The driver is, for the first time, informed of the presence of a device. Only basic initialization. - Find all hardware needed for IRQ, Console, Timer and hardware @@ -65,14 +65,14 @@ device. Only basic initialization. - Register Timer for system clock - Register Console UART -During this intialization level interrupts may not be registered, -enabled or disabled at the IRQ controller. But, all IRQ sources +During this initialization level interrupts may not be registered, +enabled or disabled at the IRQ controller, but all IRQ sources should be cleared to avoid spurious interrupts later on. AFTER LEVEL1 - if initialized during startup -------------------------------------------- -The statically configured drivers are initialized as normally by RTEMS. The +The statically configured drivers are initialized as normal by RTEMS. The hardware was found in LEVEL1. CONFIGURE_BSP_PREREQUISITE_DRIVERS may initialize IRQ driver, or |