Commit b9a348cb authored by Marc Zyngier's avatar Marc Zyngier

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: default avatarMarc Zyngier <marc.zyngier@arm.com>
parent 508514ed
...@@ -26,4 +26,14 @@ ...@@ -26,4 +26,14 @@
0xF7E08000 | (((imm16) & 0xF000) << 4) | ((imm16) & 0x0FFF) \ 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 */ #endif /* ! __ASM_ARM_OPCODES_VIRT_H */
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment