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dm: refine the detection of "iasl" utility

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At run time (on the *target* machine), acrn-dm depends on "iasl" to build
the ACPI tables for post-launched VMs.

This patch does:
- remove the dependency on ASL_COMPILER, which would only be used at build time
- add a new acrn-dm parameter "--iasl <iasl_compiler_path>"
  If "--iasl <iasl_compiler_path>" is specified as the acrn-dm parameter,
  acrn-dm uses <iasl_compiler_path> as the path to the "iasl" compiler;
  otherwise, "which iasl" is used to detect the "iasl" compiler.

  If "iasl" is not found at run time, refuse to launch the post-launched VM
  and exit directly.

v2 -> v3:
 - use "strlen" rather than "strncmp" to check whether asl_compiler
   has been set or not

v1 -> v2:
 - remove "iasl_param" and "with_iasl_param" to simplify the logic

Tracked-On: #7880

Signed-off-by: Victor Sun <victor.sun@intel.com>
Signed-off-by: Shiqing Gao <shiqing.gao@intel.com>
Acked-by: Wang, Yu1 <yu1.wang@intel.com>
This commit is contained in:
Shiqing Gao
2022-07-04 10:40:13 +08:00
committed by acrnsi-robot
parent 7cffac359b
commit cc309bd973
5 changed files with 77 additions and 12 deletions
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2
Makefile
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@@ -132,7 +132,7 @@ hvapplydiffconfig:
@$(MAKE) applydiffconfig $(HV_MAKEOPTS) PATCH=$(abspath $(PATCH))
devicemodel: tools
$(MAKE) -C $(T)/devicemodel DM_OBJDIR=$(DM_OUT) DM_BUILD_VERSION=$(BUILD_VERSION) DM_BUILD_TAG=$(BUILD_TAG) DM_ASL_COMPILER=$(ASL_COMPILER) TOOLS_OUT=$(TOOLS_OUT) RELEASE=$(RELEASE)
$(MAKE) -C $(T)/devicemodel DM_OBJDIR=$(DM_OUT) DM_BUILD_VERSION=$(BUILD_VERSION) DM_BUILD_TAG=$(BUILD_TAG) TOOLS_OUT=$(TOOLS_OUT) RELEASE=$(RELEASE)
tools:
mkdir -p $(TOOLS_OUT)