<Fix> ibex doesn't support wfi

- Added guide on arch_wfi to disable use of wfi - Added tag only in ibex simple platform
VisorFolks · Jun 28, 2024 · cd31990 · cd31990
1 parent 0faa34a
commit cd31990
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diff --git a/src/arch/riscv/32/i/terravisor/include/arch.h b/src/arch/riscv/32/i/terravisor/include/arch.h
@@ -156,11 +156,13 @@ static inline void arch_nop()
 
 static inline void arch_wfi()
 {
+#ifndef RV_NO_WFI
 	asm volatile("wfi");
 #if ERRATA_CIP578
 	arch_nop();
 	arch_nop();
 #endif
+#endif
 }
 
 static inline void arch_isb()

diff --git a/src/platform/ibex/simple_system/config.mk b/src/platform/ibex/simple_system/config.mk
@@ -27,6 +27,9 @@ $(eval $(call add_define,BIT))
 RV_VEC_MODE	:= 1
 $(eval $(call add_define,RV_VEC_MODE))
 
+RV_NO_WFI	:= 1
+$(eval $(call add_define,RV_NO_WFI))
+
 BOOT_CORE_ID:= 0
 $(eval $(call add_define,BOOT_CORE_ID))