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| author | Ruslan Bukin <br@bsdpad.com> | 2015-04-03 11:42:10 -0500 |
|---|---|---|
| committer | Ruslan Bukin <br@bsdpad.com> | 2015-04-03 11:42:10 -0500 |
| commit | b3314673f456a9686559ec95cbee2302c3214921 (patch) | |
| tree | 20fca4d16a2dce3037a8e7f7e274779424af1d00 /src/dev | |
| parent | 305e29b98ef369bcf5574a0a462f43c0bbc7ba5b (diff) | |
| download | gem5-b3314673f456a9686559ec95cbee2302c3214921.tar.xz | |
dev: Extend access width for IDE control registers
Add 32-bit access width for PrimaryTiming register and 16bit for UDMAControl
register as FreeBSD required.
Committed by: Nilay Vaish <nilay@cs.wisc.edu>
Diffstat (limited to 'src/dev')
| -rw-r--r-- | src/dev/ide_ctrl.cc | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/src/dev/ide_ctrl.cc b/src/dev/ide_ctrl.cc index 27757529a..d931fab2b 100644 --- a/src/dev/ide_ctrl.cc +++ b/src/dev/ide_ctrl.cc @@ -202,6 +202,9 @@ IdeController::readConfig(PacketPtr pkt) break; case sizeof(uint16_t): switch (offset) { + case UDMAControl: + pkt->set<uint16_t>(udmaControl); + break; case PrimaryTiming: pkt->set<uint16_t>(primaryTiming); break; @@ -222,10 +225,16 @@ IdeController::readConfig(PacketPtr pkt) (uint32_t)pkt->get<uint16_t>()); break; case sizeof(uint32_t): - if (offset == IDEConfig) + switch (offset) { + case PrimaryTiming: + pkt->set<uint32_t>(primaryTiming); + break; + case IDEConfig: pkt->set<uint32_t>(ideConfig); - else + break; + default: panic("No 32bit reads implemented for this device."); + } DPRINTF(IdeCtrl, "PCI read offset: %#x size: 4 data: %#x\n", offset, (uint32_t)pkt->get<uint32_t>()); break; @@ -268,6 +277,9 @@ IdeController::writeConfig(PacketPtr pkt) break; case sizeof(uint16_t): switch (offset) { + case UDMAControl: + udmaControl = pkt->get<uint16_t>(); + break; case PrimaryTiming: primaryTiming = pkt->get<uint16_t>(); break; @@ -289,10 +301,16 @@ IdeController::writeConfig(PacketPtr pkt) offset, (uint32_t)pkt->get<uint16_t>()); break; case sizeof(uint32_t): - if (offset == IDEConfig) + switch (offset) { + case PrimaryTiming: + primaryTiming = pkt->get<uint32_t>(); + break; + case IDEConfig: ideConfig = pkt->get<uint32_t>(); - else + break; + default: panic("Write of unimplemented PCI config. register: %x\n", offset); + } break; default: panic("invalid access size(?) for PCI configspace!\n"); |