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Kernel: Populate ELF::AuxilaryValue::Platform from Processor object.

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Move this to the processor object so it can easily be implemented
when Serenity is compiled for a different architecture.
This commit is contained in:
Brian Gianforcaro 2021-02-21 07:58:57 -08:00 committed by Andreas Kling
parent 1e3a6ba572
commit 26bba8e100
Notes: sideshowbarker 2024-07-18 22:03:09 +09:00 
Author: https://github.com/bgianfo
Commit: https://github.com/SerenityOS/serenity/commit/26bba8e1004
Pull-request: https://github.com/SerenityOS/serenity/pull/5453
3 changed files with 8 additions and 2 deletions
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5
Kernel/Arch/i386/CPU.cpp
View File

@ -1013,6 +1013,11 @@ String Processor::features_string() const
return builder.build();
}
String Processor::platform_string() const
{
return "i386";
}
UNMAP_AFTER_INIT void Processor::early_initialize(u32 cpu)
{
m_self = this;

2
Kernel/Arch/i386/CPU.h
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@ -1069,6 +1069,8 @@ public:
static Vector<FlatPtr> capture_stack_trace(Thread& thread, size_t max_frames = 0);
void set_thread_specific(u8* data, size_t len);
String platform_string() const;
};
class ScopedCritical {

3
Kernel/Syscalls/execve.cpp
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@ -650,8 +650,7 @@ static Vector<ELF::AuxiliaryValue> generate_auxiliary_vector(FlatPtr load_base,
auxv.append({ ELF::AuxiliaryValue::Gid, (long)gid });
auxv.append({ ELF::AuxiliaryValue::EGid, (long)egid });
// FIXME: Don't hard code this? We might support other platforms later.. (e.g. x86_64)
auxv.append({ ELF::AuxiliaryValue::Platform, "i386" });
auxv.append({ ELF::AuxiliaryValue::Platform, Processor::current().platform_string() });
// FIXME: This is platform specific
auxv.append({ ELF::AuxiliaryValue::HwCap, (long)CPUID(1).edx() });