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authorGabe Black <gblack@eecs.umich.edu>2008-10-12 13:51:48 -0700
committerGabe Black <gblack@eecs.umich.edu>2008-10-12 13:51:48 -0700
commitc35da8e495e9f2697a252e8e828e6d7760a8a2db (patch)
tree82c72dbb3da2e1d54b66c978448b7cca0c937286 /src/dev/x86/i8259.hh
parentec9d3aad71ec75b3f7b5ea96dd41f067a9261392 (diff)
downloadgem5-c35da8e495e9f2697a252e8e828e6d7760a8a2db.tar.xz
X86: Actually use the extra vector bits we get from ICW2.
Diffstat (limited to 'src/dev/x86/i8259.hh')
-rw-r--r--src/dev/x86/i8259.hh5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/dev/x86/i8259.hh b/src/dev/x86/i8259.hh
index 7804fe3b7..107cd015c 100644
--- a/src/dev/x86/i8259.hh
+++ b/src/dev/x86/i8259.hh
@@ -53,6 +53,9 @@ class I8259 : public BasicPioDevice, public IntDev
// Interrupt Mask Register
uint8_t IMR;
+ // The higher order bits of the vector to return
+ uint8_t vectorOffset;
+
bool cascadeMode;
// A bit vector of lines with slaves attached, or the slave id, depending
// on if this is a master or slave PIC.
@@ -77,7 +80,7 @@ class I8259 : public BasicPioDevice, public IntDev
I8259(Params * p) : BasicPioDevice(p), IntDev(this),
latency(p->pio_latency), output(p->output),
mode(p->mode), IRR(0), ISR(0), IMR(0),
- readIRR(true), initControlWord(0)
+ vectorOffset(0), readIRR(true), initControlWord(0)
{
pioSize = 2;
}