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author | Gabe Black <gblack@eecs.umich.edu> | 2009-04-19 02:16:49 -0700 |
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committer | Gabe Black <gblack@eecs.umich.edu> | 2009-04-19 02:16:49 -0700 |
commit | f668340f2cda609d263d47b8a00c5b138e8c499f (patch) | |
tree | 47836abf3a4354f0c9d3aebea3ee5cfc7cf185d0 /src/arch | |
parent | 79a3a6aecb2f92bc3faf96881f92fa5fb7dbbe4f (diff) | |
download | gem5-f668340f2cda609d263d47b8a00c5b138e8c499f.tar.xz |
X86: Set the local APIC ID to something meaningful.
Diffstat (limited to 'src/arch')
-rw-r--r-- | src/arch/x86/interrupts.cc | 51 | ||||
-rw-r--r-- | src/arch/x86/interrupts.hh | 38 |
2 files changed, 54 insertions, 35 deletions
diff --git a/src/arch/x86/interrupts.cc b/src/arch/x86/interrupts.cc index 30c532c2b..0603069a7 100644 --- a/src/arch/x86/interrupts.cc +++ b/src/arch/x86/interrupts.cc @@ -286,10 +286,20 @@ X86ISA::Interrupts::requestInterrupt(uint8_t vector, cpu->wakeup(); } + +void +X86ISA::Interrupts::setCPU(BaseCPU * newCPU) +{ + cpu = newCPU; + assert(cpu); + regs[APIC_ID] = (cpu->cpuId() << 24); +} + + Tick X86ISA::Interrupts::recvMessage(PacketPtr pkt) { - uint8_t id = 0; + uint8_t id = (regs[APIC_ID] >> 24); Addr offset = pkt->getAddr() - x86InterruptAddress(id, 0); assert(pkt->cmd == MemCmd::MessageReq); switch(offset) @@ -319,6 +329,26 @@ X86ISA::Interrupts::recvMessage(PacketPtr pkt) } +void +X86ISA::Interrupts::addressRanges(AddrRangeList &range_list) +{ + uint8_t id = (regs[APIC_ID] >> 24); + range_list.clear(); + range_list.push_back(RangeEx(x86LocalAPICAddress(id, 0), + x86LocalAPICAddress(id, 0) + PageBytes)); +} + + +void +X86ISA::Interrupts::getIntAddrRange(AddrRangeList &range_list) +{ + uint8_t id = (regs[APIC_ID] >> 24); + range_list.clear(); + range_list.push_back(RangeEx(x86InterruptAddress(id, 0), + x86InterruptAddress(id, 0) + PhysAddrAPICRangeSize)); +} + + uint32_t X86ISA::Interrupts::readReg(ApicRegIndex reg) { @@ -479,6 +509,25 @@ X86ISA::Interrupts::setReg(ApicRegIndex reg, uint32_t val) return; } + +X86ISA::Interrupts::Interrupts(Params * p) : + BasicPioDevice(p), IntDev(this), latency(p->pio_latency), clock(0), + apicTimerEvent(this), + pendingSmi(false), smiVector(0), + pendingNmi(false), nmiVector(0), + pendingExtInt(false), extIntVector(0), + pendingInit(false), initVector(0), + pendingUnmaskableInt(false) +{ + pioSize = PageBytes; + memset(regs, 0, sizeof(regs)); + //Set the local apic DFR to the flat model. + regs[APIC_DESTINATION_FORMAT] = (uint32_t)(-1); + ISRV = 0; + IRRV = 0; +} + + bool X86ISA::Interrupts::checkInterrupts(ThreadContext *tc) const { diff --git a/src/arch/x86/interrupts.hh b/src/arch/x86/interrupts.hh index c5e3bde0d..34ea992d1 100644 --- a/src/arch/x86/interrupts.hh +++ b/src/arch/x86/interrupts.hh @@ -191,11 +191,7 @@ class Interrupts : public BasicPioDevice, IntDev */ typedef X86LocalApicParams Params; - void - setCPU(BaseCPU * newCPU) - { - cpu = newCPU; - } + void setCPU(BaseCPU * newCPU); void setClock(Tick newClock) @@ -225,19 +221,8 @@ class Interrupts : public BasicPioDevice, IntDev return entry.periodic; } - void addressRanges(AddrRangeList &range_list) - { - range_list.clear(); - range_list.push_back(RangeEx(x86LocalAPICAddress(0, 0), - x86LocalAPICAddress(0, 0) + PageBytes)); - } - - void getIntAddrRange(AddrRangeList &range_list) - { - range_list.clear(); - range_list.push_back(RangeEx(x86InterruptAddress(0, 0), - x86InterruptAddress(0, 0) + PhysAddrAPICRangeSize)); - } + void addressRanges(AddrRangeList &range_list); + void getIntAddrRange(AddrRangeList &range_list); Port *getPort(const std::string &if_name, int idx = -1) { @@ -262,22 +247,7 @@ class Interrupts : public BasicPioDevice, IntDev * Constructor. */ - Interrupts(Params * p) - : BasicPioDevice(p), IntDev(this), latency(p->pio_latency), clock(0), - apicTimerEvent(this), - pendingSmi(false), smiVector(0), - pendingNmi(false), nmiVector(0), - pendingExtInt(false), extIntVector(0), - pendingInit(false), initVector(0), - pendingUnmaskableInt(false) - { - pioSize = PageBytes; - memset(regs, 0, sizeof(regs)); - //Set the local apic DFR to the flat model. - regs[APIC_DESTINATION_FORMAT] = (uint32_t)(-1); - ISRV = 0; - IRRV = 0; - } + Interrupts(Params * p); /* * Functions for retrieving interrupts for the CPU to handle. |