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Next: [PATCH 4/7] MIPS: Octeon: Export prom_putchar().
From: David Daney on 23 Jul 2010 21:50
Signed-off-by: David Daney <ddaney(a)caviumnetworks.com>
---
arch/mips/include/asm/uasm.h | 10 ++++++++++
arch/mips/mm/uasm.c | 13 ++++++++-----
2 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/arch/mips/include/asm/uasm.h b/arch/mips/include/asm/uasm.h
index 697e40c..3964b2e 100644
--- a/arch/mips/include/asm/uasm.h
+++ b/arch/mips/include/asm/uasm.h
@@ -71,6 +71,7 @@ Ip_u2u1u3(_dsra);
Ip_u2u1u3(_dsrl);
Ip_u2u1u3(_dsrl32);
Ip_u2u1u3(_drotr);
+Ip_u2u1u3(_drotr32);
Ip_u3u1u2(_dsubu);
Ip_0(_eret);
Ip_u1(_j);
@@ -176,6 +177,15 @@ static inline void uasm_i_dsrl_safe(u32 **p, unsigned int a1,
uasm_i_dsrl32(p, a1, a2, a3 - 32);
}

+static inline void uasm_i_drotr_safe(u32 **p, unsigned int a1,
+ unsigned int a2, unsigned int a3)
+{
+ if (a3 < 32)
+ uasm_i_drotr(p, a1, a2, a3);
+ else
+ uasm_i_drotr32(p, a1, a2, a3 - 32);
+}
+
static inline void uasm_i_dsll_safe(u32 **p, unsigned int a1,
unsigned int a2, unsigned int a3)
{
diff --git a/arch/mips/mm/uasm.c b/arch/mips/mm/uasm.c
index 611d564..fe041d5 100644
--- a/arch/mips/mm/uasm.c
+++ b/arch/mips/mm/uasm.c
@@ -62,11 +62,12 @@ enum opcode {
insn_beql, insn_bgez, insn_bgezl, insn_bltz, insn_bltzl,
insn_bne, insn_cache, insn_daddu, insn_daddiu, insn_dmfc0,
insn_dmtc0, insn_dsll, insn_dsll32, insn_dsra, insn_dsrl,
- 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_or, insn_ori, insn_pref, insn_rfe, insn_sc, insn_scd,
- 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_dsrl32, insn_drotr, insn_drotr32, 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_or, insn_ori,
+ insn_pref, insn_rfe, insn_sc, insn_scd, 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, insn_syscall
};

@@ -108,6 +109,7 @@ static struct insn insn_table[] __cpuinitdata = {
{ insn_dsrl, M(spec_op, 0, 0, 0, 0, dsrl_op), RT | RD | RE },
{ insn_dsrl32, M(spec_op, 0, 0, 0, 0, dsrl32_op), RT | RD | RE },
{ insn_drotr, M(spec_op, 1, 0, 0, 0, dsrl_op), RT | RD | RE },
+ { insn_drotr32, M(spec_op, 1, 0, 0, 0, dsrl32_op), RT | RD | RE },
{ insn_dsubu, M(spec_op, 0, 0, 0, 0, dsubu_op), RS | RT | RD },
{ insn_eret, M(cop0_op, cop_op, 0, 0, 0, eret_op), 0 },
{ insn_j, M(j_op, 0, 0, 0, 0, 0), JIMM },
@@ -375,6 +377,7 @@ I_u2u1u3(_dsra)
I_u2u1u3(_dsrl)
I_u2u1u3(_dsrl32)
I_u2u1u3(_drotr)
+I_u2u1u3(_drotr32)
I_u3u1u2(_dsubu)
I_0(_eret)
I_u1(_j)
--
1.7.1.1

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Prev: [PATCH 0/7] Watchdog driver for Octeon SOCs.
Next: [PATCH 4/7] MIPS: Octeon: Export prom_putchar().