ARM: opcodes: add ERET/MSR_ELR_HYP instruction encoding



Enabling boot from HYP mode requires the use of some more
virt-specific instructions ("eret" and "msr elr_hyp, reg").

Add the necessary encoding to asm/opcode-virt.h.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

parent 508514ed

arch/arm/include/asm/opcodes-virt.h

+10 −0

Original line number	Diff line number	Diff line
		@@ -26,4 +26,14 @@
		0xF7E08000 \| (((imm16) & 0xF000) << 4) \| ((imm16) & 0x0FFF) \
		)

		#define __ERET __inst_arm_thumb32( \
		0xE160006E, \
		0xF3DE8F00 \
		)

		#define __MSR_ELR_HYP(regnum) __inst_arm_thumb32( \
		0xE12EF300 \| regnum, \
		0xF3808E30 \| (regnum << 16) \
		)

		#endif /* ! __ASM_ARM_OPCODES_VIRT_H */