add xenomai

hc

2024-11-01 2f529f9b558ca1c1bd74be7437a84e4711743404

 kernel/arch/arm/vfp/entry.S
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@@ -23,6 +23,7 @@
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 @
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 ENTRY(do_vfp)
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 	inc_preempt_count r10, r4
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+	disable_irq_if_pipelined
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  	ldr	r4, .LCvfp
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 	ldr	r11, [r10, #TI_CPU]	@ CPU number
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 	add	r10, r10, #TI_VFPSTATE	@ r10 = workspace
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@@ -30,6 +31,7 @@
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 ENDPROC(do_vfp)
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 ENTRY(vfp_null_entry)
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+	enable_irq_if_pipelined
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 	dec_preempt_count_ti r10, r4
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 	ret	lr
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 ENDPROC(vfp_null_entry)