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MIPS: KVM: Convert emulation to use asm/inst.h

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Convert various MIPS KVM guest instruction emulation functions to decode
instructions (and encode translations) using the union mips_instruction
and related enumerations in asm/inst.h rather than #defines and
hardcoded values.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Radim Krčmář <rkrcmar@redhat.com>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
James Hogan
2016-06-15 19:29:47 +01:00
committed by Paolo Bonzini
parent d5cd26bcfc
commit 258f3a2ea9
4 changed files with 126 additions and 114 deletions
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35
arch/mips/include/uapi/asm/inst.h
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@@ -103,7 +103,7 @@ enum rt_op {
bltzal_op, bgezal_op, bltzall_op, bgezall_op,
rt_op_0x14, rt_op_0x15, rt_op_0x16, rt_op_0x17,
rt_op_0x18, rt_op_0x19, rt_op_0x1a, rt_op_0x1b,
bposge32_op, rt_op_0x1d, rt_op_0x1e, rt_op_0x1f
bposge32_op, rt_op_0x1d, rt_op_0x1e, synci_op
};
/*
@@ -586,6 +586,36 @@ struct r_format { /* Register format */
;))))))
};
struct c0r_format { /* C0 register format */
__BITFIELD_FIELD(unsigned int opcode : 6,
__BITFIELD_FIELD(unsigned int rs : 5,
__BITFIELD_FIELD(unsigned int rt : 5,
__BITFIELD_FIELD(unsigned int rd : 5,
__BITFIELD_FIELD(unsigned int z: 8,
__BITFIELD_FIELD(unsigned int sel : 3,
;))))))
};
struct mfmc0_format { /* MFMC0 register format */
__BITFIELD_FIELD(unsigned int opcode : 6,
__BITFIELD_FIELD(unsigned int rs : 5,
__BITFIELD_FIELD(unsigned int rt : 5,
__BITFIELD_FIELD(unsigned int rd : 5,
__BITFIELD_FIELD(unsigned int re : 5,
__BITFIELD_FIELD(unsigned int sc : 1,
__BITFIELD_FIELD(unsigned int : 2,
__BITFIELD_FIELD(unsigned int sel : 3,
;))))))))
};
struct co_format { /* C0 CO format */
__BITFIELD_FIELD(unsigned int opcode : 6,
__BITFIELD_FIELD(unsigned int co : 1,
__BITFIELD_FIELD(unsigned int code : 19,
__BITFIELD_FIELD(unsigned int func : 6,
;))))
};
struct p_format { /* Performance counter format (R10000) */
__BITFIELD_FIELD(unsigned int opcode : 6,
__BITFIELD_FIELD(unsigned int rs : 5,
@@ -937,6 +967,9 @@ union mips_instruction {
struct u_format u_format;
struct c_format c_format;
struct r_format r_format;
struct c0r_format c0r_format;
struct mfmc0_format mfmc0_format;
struct co_format co_format;
struct p_format p_format;
struct f_format f_format;
struct ma_format ma_format;