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| author | Benjamin Nash <benash@umich.edu> | 2005-08-15 17:17:17 -0400 |
|---|---|---|
| committer | Benjamin Nash <benash@umich.edu> | 2005-08-15 17:17:17 -0400 |
| commit | bcc333e92006f52baeef1ae0f94d4765513584d8 (patch) | |
| tree | 88e3fbd634750cec0e1e4210d62a1f90fd3d2380 /dev/uart8250.hh | |
| parent | 49063eb24f8fd2ad010224cc282c55dd5471dd65 (diff) | |
| parent | b64eae5e52d9eb60ad498464d076b48cd5ceafe3 (diff) | |
| download | gem5-bcc333e92006f52baeef1ae0f94d4765513584d8.tar.xz | |
Merge zed.eecs.umich.edu:/.automount/fox/y/mserrano/m5_dir/m5
into zed.eecs.umich.edu:/z/benash/bk/m5
dev/ide_ctrl.cc:
dev/ide_ctrl.hh:
dev/ide_disk.cc:
dev/ide_disk.hh:
dev/ns_gige.cc:
dev/pciconfigall.cc:
dev/pcidev.cc:
dev/rtcreg.h:
dev/tsunami_io.cc:
dev/tsunami_io.hh:
dev/uart8250.cc:
dev/uart8250.hh:
python/m5/objects/Tsunami.py:
Merge code.
--HG--
extra : convert_revision : e97d5dbcc051d2061622201265430d359f995d48
Diffstat (limited to 'dev/uart8250.hh')
| -rw-r--r-- | dev/uart8250.hh | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/dev/uart8250.hh b/dev/uart8250.hh index e85ad72c8..b4c660021 100644 --- a/dev/uart8250.hh +++ b/dev/uart8250.hh @@ -38,8 +38,19 @@ #include "dev/io_device.hh" #include "dev/uart.hh" + +/* UART8250 Interrupt ID Register + * bit 0 Interrupt Pending 0 = true, 1 = false + * bit 2:1 ID of highest priority interrupt + * bit 7:3 zeroes + */ #define IIR_NOPEND 0x1 -#define IIR_RXID 0x4 + +// Interrupt IDs +#define IIR_MODEM 0x00 /* Modem Status (lowest priority) */ +#define IIR_TXID 0x02 /* Tx Data */ +#define IIR_RXID 0x04 /* Rx Data */ +#define IIR_LINE 0x06 /* Rx Line Status (highest priority)*/ class SimConsole; class Platform; |