symbian-qemu-0.9.1-12/qemu-symbian-svp/target-alpha/STATUS
author mikek
Mon, 05 Jul 2010 15:30:26 +0100
branchGCC_SURGE
changeset 87 42ae69d3c4a8
parent 1 2fb8b9db1c86
permissions -rw-r--r--
1) Fix for Bug 3157 - Compilation error in gui_common.h 2) Fix for Bug 3158 - Compilation error in qemu-char.c 3) Fix for Bug 3160 - [GCCE] Illegal instruction in baseport/syborg/bootstrap/syborg.s 4) Fix for Bug 3162 - [GCCE] VFP math support needs excluded to build syborg ROM 5) Fix for Bug 3163 - [GCCE] Syborg baseport build breaks when EPOCROOT is not filesystem root 6) Fix for Bug 3164 - [GCCE] baseport/syborg/bld.inf needs to discriminate GCCE from ARMCC
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(to be completed)
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Alpha emulation structure:
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cpu.h           : CPU definitions globally exported
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exec.h          : CPU definitions used only for translated code execution
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helper.c        : helpers that can be called either by the translated code
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                  or the Qemu core, including the exception handler.
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op_helper.c     : helpers that can be called only from TCG
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helper.h        : TCG helpers prototypes
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translate.c     : Alpha instructions to micro-operations translator
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Code translator status:
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The Alpha CPU instruction emulation should be quite complete with the
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limitation that the VAX floating-point load and stores are not tested.
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The 4 MMU modes are implemented.
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Linux user mode emulation status:
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a few programs start to run. Most crash at a certain point, dereferencing a
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NULL pointer. It seems that the UNIQUE register is not initialized properly.
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It may appear that old executables, not relying on TLS support, run but
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this is to be prooved...
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Full system emulation status:
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* Alpha PALCode emulation is in a very early stage and is not sufficient
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  to run any real OS. The alpha-softmmu target is not enabled for now.
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* no hardware platform description is implemented
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* there might be problems in the Alpha PALCode dedicated instructions
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  that would prevent to use a native PALCode image.