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bd3c5798 |
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06-Sep-2023 |
Qi Hu <huqi@loongson.cn> |
LoongArch: Add Loongson Binary Translation (LBT) extension support Loongson Binary Translation (LBT) is used to accelerate binary translation, which contains 4 scratch registers (scr0 to scr3), x86/ARM eflags (eflags) and x87 fpu stack pointer (ftop). This patch support kernel to save/restore these registers, handle the LBT exception and maintain sigcontext. Signed-off-by: Qi Hu <huqi@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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