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1813 | decky | 1 | /* |
2 | * Copyright (C) 2006 Martin Decky |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |||
29 | #ifndef __xen32_HYPERCALL_H__ |
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30 | #define __xen32_HYPERCALL_H__ |
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31 | |||
32 | #include <arch/types.h> |
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1816 | decky | 33 | #include <macros.h> |
1813 | decky | 34 | |
1816 | decky | 35 | |
36 | #define XEN_CONSOLE_IO 18 |
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37 | |||
38 | |||
39 | /* |
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40 | * Commands for XEN_CONSOLE_IO |
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41 | */ |
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42 | #define CONSOLE_IO_WRITE 0 |
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43 | #define CONSOLE_IO_READ 1 |
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44 | |||
45 | |||
1813 | decky | 46 | #define hypercall0(id) \ |
47 | ({ \ |
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48 | unative_t ret; \ |
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49 | asm volatile ( \ |
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50 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
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51 | : "=a" (ret) \ |
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52 | : \ |
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53 | : "memory" \ |
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54 | ); \ |
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55 | ret; \ |
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56 | }) |
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57 | |||
58 | #define hypercall1(id, p1) \ |
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59 | ({ \ |
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60 | unative_t ret, __ign1; \ |
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61 | asm volatile ( \ |
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62 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
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63 | : "=a" (ret), \ |
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64 | "=b" (__ign1) \ |
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65 | : "1" (p1) \ |
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66 | : "memory" \ |
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67 | ); \ |
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68 | ret; \ |
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69 | }) |
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70 | |||
71 | #define hypercall2(id, p1, p2) \ |
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72 | ({ \ |
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73 | unative_t ret, __ign1, __ign2; \ |
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74 | asm volatile ( \ |
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75 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
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76 | : "=a" (ret), \ |
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77 | "=b" (__ign1), \ |
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78 | "=c" (__ign2) \ |
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79 | : "1" (p1), \ |
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80 | "2" (p2) \ |
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81 | : "memory" \ |
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82 | ); \ |
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83 | ret; \ |
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84 | }) |
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85 | |||
86 | #define hypercall3(id, p1, p2, p3) \ |
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87 | ({ \ |
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88 | unative_t ret, __ign1, __ign2, __ign3; \ |
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89 | asm volatile ( \ |
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90 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
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91 | : "=a" (ret), \ |
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92 | "=b" (__ign1), \ |
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93 | "=c" (__ign2), \ |
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94 | "=d" (__ign3) \ |
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95 | : "1" (p1), \ |
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96 | "2" (p2), \ |
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1816 | decky | 97 | "3" (p3) \ |
1813 | decky | 98 | : "memory" \ |
99 | ); \ |
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100 | ret; \ |
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101 | }) |
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102 | |||
103 | #define hypercall4(id, p1, p2, p3, p4) \ |
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104 | ({ \ |
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105 | unative_t ret, __ign1, __ign2, __ign3, __ign4; \ |
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106 | asm volatile ( \ |
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107 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
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108 | : "=a" (ret), \ |
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109 | "=b" (__ign1), \ |
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110 | "=c" (__ign2), \ |
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111 | "=d" (__ign3), \ |
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112 | "=S" (__ign4) \ |
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113 | : "1" (p1), \ |
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114 | "2" (p2), \ |
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115 | "3" (p3), \ |
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1816 | decky | 116 | "4" (p4) \ |
1813 | decky | 117 | : "memory" \ |
118 | ); \ |
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119 | ret; \ |
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120 | }) |
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121 | |||
122 | #define hypercall5(id, p1, p2, p3, p4, p5) \ |
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123 | ({ \ |
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1816 | decky | 124 | unative_t ret, __ign1, __ign2, __ign3, __ign4, __ign5; \ |
1813 | decky | 125 | asm volatile ( \ |
126 | "call hypercall_page + (" STRING(id) " * 32)\n" \ |
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127 | : "=a" (ret), \ |
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128 | "=b" (__ign1), \ |
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129 | "=c" (__ign2), \ |
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130 | "=d" (__ign3), \ |
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131 | "=S" (__ign4), \ |
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132 | "=D" (__ign5) \ |
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133 | : "1" (p1), \ |
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134 | "2" (p2), \ |
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135 | "3" (p3), \ |
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136 | "4" (p4), \ |
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1816 | decky | 137 | "5" (p5) \ |
1813 | decky | 138 | : "memory" \ |
139 | ); \ |
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140 | ret; \ |
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141 | }) |
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142 | |||
143 | |||
1816 | decky | 144 | static inline int xen_console_io(const int cmd, const int count, const char *str) |
1813 | decky | 145 | { |
146 | return hypercall3(XEN_CONSOLE_IO, cmd, count, str); |
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147 | } |
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148 | |||
149 | #endif |