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[libcpu] Refine MIPS common code

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MIPS common code was highly duplicated, This commit
is a attempt to clean-up and refine these code.

The context and exception handle flow is mostly identical
with Linux, but a notable difference is that when FPU enabled,
we save FP registers in stackframe unconditionally.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
This commit is contained in:
Jiaxun Yang
2019-12-11 15:24:04 +08:00
parent 44123368a9
commit 7c66501861
25 changed files with 1313 additions and 4728 deletions
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libcpu/mips/SConscript
+2 -1
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@@ -13,6 +13,7 @@ list = os.listdir(cwd)
group = group + SConscript(os.path.join('common', 'SConscript'))
# cpu porting code files
group = group + SConscript(os.path.join(rtconfig.CPU, 'SConscript'))
if rtconfig.CPU != 'common':
group = group + SConscript(os.path.join(rtconfig.CPU, 'SConscript'))
Return('group')