m5op_arm.S (9687:22e9258c06bb) m5op_arm.S (9949:7890c22dad25)
1/*
2 * Copyright (c) 2010 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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50#include "m5ops.h"
51
52.text
53
54.macro simple_op name, func, subfunc
55 .align 2
56 .globl \name
57\name:
1/*
2 * Copyright (c) 2010 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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50#include "m5ops.h"
51
52.text
53
54.macro simple_op name, func, subfunc
55 .align 2
56 .globl \name
57\name:
58 /* First, try to trap into m5 using the m5-kvm hypercall
59 * hack. The bxj will become a branch to the fallback code
60 * if it is executed in the normal m5 environment.
61 */
62 push {lr}
63#ifdef __thumb__
58#ifdef __thumb__
64 adr lr, 1f+1
65#else
66 adr lr, 1f
67#endif
68 ldr ip, =((((\func) & 0xFF) << 8) | ((\subfunc) & 0xFF))
69 bxj lr
70 pop {pc}
71
72 /* Old-style m5 pseudo instruction using CP1 accesses */
731:
74#ifdef __thumb__
75 .short 0xEE00 | \func
76 .short 0x0110 | (\subfunc << 12)
77#else
59 .short 0xEE00 | \func
60 .short 0x0110 | (\subfunc << 12)
61#else
78 .long (0xEE000110 | (\func << 16) | (\subfunc << 12))
62 .long 0xEE000110 | (\func << 16) | (\subfunc << 12)
79#endif
63#endif
80 pop {pc}
64 mov pc,lr
81.endm
82
83#define SIMPLE_OP(name, func, subfunc) simple_op name, func, subfunc
84
85SIMPLE_OP(arm, arm_func, 0)
86SIMPLE_OP(quiesce, quiesce_func, 0)
87SIMPLE_OP(quiesceNs, quiescens_func, 0)
88SIMPLE_OP(quiesceCycle, quiescecycle_func, 0)

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66
67#define SIMPLE_OP(name, func, subfunc) simple_op name, func, subfunc
68
69SIMPLE_OP(arm, arm_func, 0)
70SIMPLE_OP(quiesce, quiesce_func, 0)
71SIMPLE_OP(quiesceNs, quiescens_func, 0)
72SIMPLE_OP(quiesceCycle, quiescecycle_func, 0)

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