diff options
author | Ali Saidi <saidi@eecs.umich.edu> | 2005-06-05 01:22:21 -0400 |
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committer | Ali Saidi <saidi@eecs.umich.edu> | 2005-06-05 01:22:21 -0400 |
commit | adce616cfef6f9476d0fbb1bf03fb65734bf3bdf (patch) | |
tree | 7fb8eb03752d93931f44180dde2f7e89ddd26bb8 /dev/uart.hh | |
parent | 8bbaaa7478bdddcd098c4da97f4ac1ba5a97ee67 (diff) | |
download | gem5-adce616cfef6f9476d0fbb1bf03fb65734bf3bdf.tar.xz |
split uart into urt8250 and uart8530
fix some doxygen comments
SConscript:
Added split uart files
dev/ns_gige.cc:
dev/ns_gige.hh:
dev/ns_gige_reg.h:
dev/tsunami.cc:
dev/tsunami_cchip.cc:
dev/tsunami_io.cc:
dev/tsunami_pchip.cc:
dev/tsunamireg.h:
fix doxgyen file comment
dev/uart.cc:
dev/uart.hh:
python/m5/objects/Uart.py:
split uart into urt8250 and uart8530
--HG--
extra : convert_revision : 2e70aad892a37620d7909017648bca6d7d69d678
Diffstat (limited to 'dev/uart.hh')
-rw-r--r-- | dev/uart.hh | 44 |
1 files changed, 10 insertions, 34 deletions
diff --git a/dev/uart.hh b/dev/uart.hh index d1f167526..a2be3fb8e 100644 --- a/dev/uart.hh +++ b/dev/uart.hh @@ -26,14 +26,13 @@ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ -/* @file - * Defines a 8250 UART +/** @file + * Base class for UART */ -#ifndef __TSUNAMI_UART_HH__ -#define __TSUNAMI_UART_HH__ +#ifndef __UART_HH__ +#define __UART_HH__ -#include "dev/tsunamireg.h" #include "base/range.hh" #include "dev/io_device.hh" @@ -47,45 +46,25 @@ const int TX_INT = 0x2; class Uart : public PioDevice { - private: + protected: + int status; Addr addr; Addr size; SimConsole *cons; - - protected: - int readAddr; // tlaser only - uint8_t IER, DLAB, LCR, MCR; - int status; - - class IntrEvent : public Event - { - protected: - Uart *uart; - int intrBit; - public: - IntrEvent(Uart *u, int bit); - virtual void process(); - virtual const char *description(); - void scheduleIntr(); - }; - - IntrEvent txIntrEvent; - IntrEvent rxIntrEvent; - public: Uart(const std::string &name, SimConsole *c, MemoryController *mmu, Addr a, Addr s, HierParams *hier, Bus *bus, Tick pio_latency, Platform *p); - Fault read(MemReqPtr &req, uint8_t *data); - Fault write(MemReqPtr &req, const uint8_t *data); + virtual Fault read(MemReqPtr &req, uint8_t *data) = 0; + virtual Fault write(MemReqPtr &req, const uint8_t *data) = 0; /** * Inform the uart that there is data available. */ - void dataAvailable(); + virtual void dataAvailable() = 0; /** @@ -94,9 +73,6 @@ class Uart : public PioDevice */ bool intStatus() { return status ? true : false; } - virtual void serialize(std::ostream &os); - virtual void unserialize(Checkpoint *cp, const std::string §ion); - /** * Return how long this access will take. * @param req the memory request to calcuate @@ -105,4 +81,4 @@ class Uart : public PioDevice Tick cacheAccess(MemReqPtr &req); }; -#endif // __TSUNAMI_UART_HH__ +#endif // __UART_HH__ |