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| author | Gabe Black <gblack@eecs.umich.edu> | 2007-07-26 22:13:14 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2007-07-26 22:13:14 -0700 |
| commit | d1e533a1e243b75b3257e2f96deb385a3b10e09b (patch) | |
| tree | 5cde70506a663c83efceced11273cca47fed9586 /src/arch/alpha/freebsd | |
| parent | 876849724d0e5a990018dc025a8166c5131be567 (diff) | |
| download | gem5-d1e533a1e243b75b3257e2f96deb385a3b10e09b.tar.xz | |
X86: Fix argument register indexing.
Code was assuming that all argument registers followed in order from ArgumentReg0. There is now an ArgumentReg array which is indexed to find the right index. There is a constant, NumArgumentRegs, which can be used to protect against using an invalid ArgumentReg.
--HG--
extra : convert_revision : f448a3ca4d6adc3fc3323562870f70eec05a8a1f
Diffstat (limited to 'src/arch/alpha/freebsd')
| -rw-r--r-- | src/arch/alpha/freebsd/system.cc | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/arch/alpha/freebsd/system.cc b/src/arch/alpha/freebsd/system.cc index db0be29ab..f666de604 100644 --- a/src/arch/alpha/freebsd/system.cc +++ b/src/arch/alpha/freebsd/system.cc @@ -76,8 +76,9 @@ FreebsdAlphaSystem::doCalibrateClocks(ThreadContext *tc) Addr ppc_vaddr = 0; Addr timer_vaddr = 0; - ppc_vaddr = (Addr)tc->readIntReg(ArgumentReg1); - timer_vaddr = (Addr)tc->readIntReg(ArgumentReg2); + assert(NumArgumentRegs >= 3); + ppc_vaddr = (Addr)tc->readIntReg(ArgumentReg[1]); + timer_vaddr = (Addr)tc->readIntReg(ArgumentReg[2]); virtPort.write(ppc_vaddr, (uint32_t)Clock::Frequency); virtPort.write(timer_vaddr, (uint32_t)TIMER_FREQUENCY); |