Age | Commit message (Collapse) | Author |
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Ignore different values or rcx and r11 after a syscall until either the local or remote value changes. Also change the codes organization somewhat.
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R11 is just junk after the start of exectuion because we're "returning" from
an execve call and linux destroys the contents of rcx and r11 on system calls.
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placeholders.
These are the only floating point instructions that get used in my simple hello world test. These instructions are for setting up the floating point control register. Their not being implemented doesn't affect anything because floating point isn't used.
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"picked" register values.
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shouldn't.
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when decided whether or not to fold.
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development machine.
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microops and instructions.
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whether or not register indexes should be "folded".
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The instructions now ask for the appropriate flags to be set, and the microops do the "right thing" with the CF and OF flags, namely zero them.
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People should never put pointers in DPRINTFs; it messes up
tracediffs. Plus these used the FullCPU trace flag, which
is not right.
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The initial stack frame for x86 is now substantially more correct. The fixes made here can be back ported to SPARC and possible the other ISAs as well. The auxiliary vector types were moved to the LiveProcess base class because they are independent of ISA. Some of the types may only apply to Linux, though, so they may have to be moved.
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The correct order is unintuitively rax, rcx, rdx, rbx, etc, not rax, rbx, rcx, rdx.
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POPA used st instead of ld, and it didn't skip rsp. push rsp needs to store the -original- value of the stack pointer.
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Merge was returning the value to merge in, not the actual result of the merge.
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The stack base on my development machine starts one page below where it needs to. I don't know why it does, but I've duplicated it in m5.
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The type constants should go into an architecture independent spot since they are universal to all Linux elf binaries. The right value for some of the vectors needs to be determined. Also, x86 does not store argc or argv_array_base in registers like some other architectures.
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These need to be refined a little still and given parameters.
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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.
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registers.
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