The soon to follow Read Inhibit/eXecute Inhibit patch needs TLBR and
ROTR support in uasm. We also add a UASM_i_ROTR macro.
Signed-off-by: David Daney <ddaney@xxxxxxxxxxxxxxxxxx>
---
arch/mips/include/asm/uasm.h | 4 ++++
arch/mips/mm/uasm.c | 9 +++++++--
2 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/arch/mips/include/asm/uasm.h b/arch/mips/include/asm/uasm.h
index 3d153ed..b99bd07 100644
--- a/arch/mips/include/asm/uasm.h
+++ b/arch/mips/include/asm/uasm.h
@@ -92,9 +92,11 @@ Ip_u2s3u1(_sd);
Ip_u2u1u3(_sll);
Ip_u2u1u3(_sra);
Ip_u2u1u3(_srl);
+Ip_u2u1u3(_rotr);
Ip_u3u1u2(_subu);
Ip_u2s3u1(_sw);
Ip_0(_tlbp);
+Ip_0(_tlbr);
Ip_0(_tlbwi);
Ip_0(_tlbwr);
Ip_u3u1u2(_xor);
@@ -129,6 +131,7 @@ static inline void __cpuinit uasm_l##lb(struct uasm_label **lab, u32 *addr) \
# define UASM_i_SLL(buf, rs, rt, sh) uasm_i_dsll(buf, rs, rt, sh)
# define UASM_i_SRA(buf, rs, rt, sh) uasm_i_dsra(buf, rs, rt, sh)
# define UASM_i_SRL(buf, rs, rt, sh) uasm_i_dsrl(buf, rs, rt, sh)
+# define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_drotr(buf, rs, rt, sh)
# define UASM_i_MFC0(buf, rt, rd...) uasm_i_dmfc0(buf, rt, rd)
# define UASM_i_MTC0(buf, rt, rd...) uasm_i_dmtc0(buf, rt, rd)
# define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_daddiu(buf, rs, rt, val)
@@ -142,6 +145,7 @@ static inline void __cpuinit uasm_l##lb(struct uasm_label **lab, u32 *addr) \
# define UASM_i_SLL(buf, rs, rt, sh) uasm_i_sll(buf, rs, rt, sh)
# define UASM_i_SRA(buf, rs, rt, sh) uasm_i_sra(buf, rs, rt, sh)
# define UASM_i_SRL(buf, rs, rt, sh) uasm_i_srl(buf, rs, rt, sh)
+# define UASM_i_ROTR(buf, rs, rt, sh) uasm_i_rotr(buf, rs, rt, sh)
# define UASM_i_MFC0(buf, rt, rd...) uasm_i_mfc0(buf, rt, rd)
# define UASM_i_MTC0(buf, rt, rd...) uasm_i_mtc0(buf, rt, rd)
# define UASM_i_ADDIU(buf, rs, rt, val) uasm_i_addiu(buf, rs, rt, val)
diff --git a/arch/mips/mm/uasm.c b/arch/mips/mm/uasm.c
index e3ca0f7..1581e98 100644
--- a/arch/mips/mm/uasm.c
+++ b/arch/mips/mm/uasm.c
@@ -62,8 +62,9 @@ enum opcode {
insn_dsrl32, insn_drotr, insn_dsubu, insn_eret, insn_j, insn_jal,
insn_jr, insn_ld, insn_ll, insn_lld, insn_lui, insn_lw, insn_mfc0,
insn_mtc0, insn_ori, insn_pref, insn_rfe, insn_sc, insn_scd,
- insn_sd, insn_sll, insn_sra, insn_srl, insn_subu, insn_sw,
- insn_tlbp, insn_tlbwi, insn_tlbwr, insn_xor, insn_xori, insn_dins
+ insn_sd, insn_sll, insn_sra, insn_srl, insn_rotr, insn_subu, insn_sw,
+ insn_tlbp, insn_tlbr, insn_tlbwi, insn_tlbwr, insn_xor, insn_xori,
+ insn_dins
};
struct insn {
@@ -125,9 +126,11 @@ static struct insn insn_table[] __cpuinitdata = {
{ insn_sll, M(spec_op, 0, 0, 0, 0, sll_op), RT | RD | RE },
{ insn_sra, M(spec_op, 0, 0, 0, 0, sra_op), RT | RD | RE },
{ insn_srl, M(spec_op, 0, 0, 0, 0, srl_op), RT | RD | RE },
+ { insn_rotr, M(spec_op, 1, 0, 0, 0, srl_op), RT | RD | RE },
{ insn_subu, M(spec_op, 0, 0, 0, 0, subu_op), RS | RT | RD },
{ insn_sw, M(sw_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
{ insn_tlbp, M(cop0_op, cop_op, 0, 0, 0, tlbp_op), 0 },
+ { insn_tlbr, M(cop0_op, cop_op, 0, 0, 0, tlbr_op), 0 },
{ insn_tlbwi, M(cop0_op, cop_op, 0, 0, 0, tlbwi_op), 0 },
{ insn_tlbwr, M(cop0_op, cop_op, 0, 0, 0, tlbwr_op), 0 },
{ insn_xor, M(spec_op, 0, 0, 0, 0, xor_op), RS | RT | RD },
@@ -378,9 +381,11 @@ I_u2s3u1(_sd)
I_u2u1u3(_sll)
I_u2u1u3(_sra)
I_u2u1u3(_srl)
+I_u2u1u3(_rotr)
I_u3u1u2(_subu)
I_u2s3u1(_sw)
I_0(_tlbp)
+I_0(_tlbr)
I_0(_tlbwi)
I_0(_tlbwr)
I_u3u1u2(_xor)
--
1.6.2.5
