Mercurial > archived > louis > epitech > mq > rathaxes
annotate rathaxes_start_to_implement_pci_stuff_in_the_lkm.patch @ 6:5b128dbd2c17
WIP on the PCI LKM + improve the UseRathaxes CMake "library" to easily build a kernel module from the sources generated by rathaxes
| author | Louis Opter <louis@lse.epitech.net> |
|---|---|
| date | Thu, 05 Jan 2012 23:27:32 +0100 |
| parents | e94d4a9e6bd5 |
| children | 44a25ffd5c8c |
| rev | line source |
|---|---|
| 4 | 1 # HG changeset patch |
| 5 | 2 # Parent 23fc39d03d6679b631adc6c22f312e6cda9aa82f |
| 4 | 3 rathaxes: start to implement the PCI registration part in the LKM sample |
| 4 | |
| 5 diff --git a/rathaxes/samples/lkm/CMakeLists.txt b/rathaxes/samples/lkm/CMakeLists.txt | |
| 6 --- a/rathaxes/samples/lkm/CMakeLists.txt | |
| 7 +++ b/rathaxes/samples/lkm/CMakeLists.txt | |
|
6
5b128dbd2c17
WIP on the PCI LKM + improve the UseRathaxes CMake "library" to easily build a kernel module from the sources generated by rathaxes
Louis Opter <louis@lse.epitech.net>
parents:
5
diff
changeset
|
8 @@ -1,3 +1,7 @@ |
| 4 | 9 ADD_RATHAXES_SOURCES(lkm lkm.rtx |
| 10 - RTI log.rti lkm.rti | |
| 11 - BLT log.blt lkm.blt) | |
| 12 + RTI log.rti lkm.rti pci.rti | |
| 13 + BLT log.blt lkm.blt pci.blt) | |
|
6
5b128dbd2c17
WIP on the PCI LKM + improve the UseRathaxes CMake "library" to easily build a kernel module from the sources generated by rathaxes
Louis Opter <louis@lse.epitech.net>
parents:
5
diff
changeset
|
14 + |
|
5b128dbd2c17
WIP on the PCI LKM + improve the UseRathaxes CMake "library" to easily build a kernel module from the sources generated by rathaxes
Louis Opter <louis@lse.epitech.net>
parents:
5
diff
changeset
|
15 +# We can't name lkm since it's already used as the target name to generate the |
|
5b128dbd2c17
WIP on the PCI LKM + improve the UseRathaxes CMake "library" to easily build a kernel module from the sources generated by rathaxes
Louis Opter <louis@lse.epitech.net>
parents:
5
diff
changeset
|
16 +# source (with ADD_RATHAXES_SOURCES). |
|
5b128dbd2c17
WIP on the PCI LKM + improve the UseRathaxes CMake "library" to easily build a kernel module from the sources generated by rathaxes
Louis Opter <louis@lse.epitech.net>
parents:
5
diff
changeset
|
17 +ADD_RATHAXES_LKM(lkm_hello lkm) |
| 4 | 18 diff --git a/rathaxes/samples/lkm/lkm.blt b/rathaxes/samples/lkm/lkm.blt |
| 19 --- a/rathaxes/samples/lkm/lkm.blt | |
| 20 +++ b/rathaxes/samples/lkm/lkm.blt | |
| 5 | 21 @@ -1,8 +1,10 @@ |
| 4 | 22 with LKM |
| 23 { | |
| 5 | 24 + /* Skel of the generated C file: */ |
| 4 | 25 ${pointcut LKM::includes}; |
| 26 - ${pointcut LKM::init}; | |
| 27 - ${pointcut LKM::exit}; | |
| 5 | 28 + ${pointcut LKM::prototypes}; |
| 4 | 29 + ${pointcut LKM::data}; |
| 30 + ${pointcut LKM::code}; | |
| 31 | |
| 32 template sequence LKM::init() | |
| 33 { | |
| 5 | 34 @@ -17,7 +19,7 @@ |
| 4 | 35 MODULE_LICENSE(${config.license}); |
| 36 } | |
| 37 | |
| 38 - chunk LKM::init() | |
| 39 + chunk LKM::code() | |
| 40 { | |
| 41 /* | |
| 42 * Rathaxes doesn't yet support arbitrary "decorators" like __init | |
| 5 | 43 @@ -34,7 +36,7 @@ |
| 4 | 44 |
| 45 template sequence LKM::exit() | |
| 46 { | |
| 47 - chunk LKM::exit | |
| 48 + chunk LKM::code() | |
| 49 { | |
| 50 static void __attribute((__section__(.exit.text))) rtx_module_exit(void) | |
| 51 { | |
| 52 diff --git a/rathaxes/samples/lkm/lkm.rti b/rathaxes/samples/lkm/lkm.rti | |
| 53 --- a/rathaxes/samples/lkm/lkm.rti | |
| 54 +++ b/rathaxes/samples/lkm/lkm.rti | |
|
6
5b128dbd2c17
WIP on the PCI LKM + improve the UseRathaxes CMake "library" to easily build a kernel module from the sources generated by rathaxes
Louis Opter <louis@lse.epitech.net>
parents:
5
diff
changeset
|
55 @@ -1,8 +1,10 @@ |
| 4 | 56 interface LKM |
| 57 { | |
| 58 provided pointcut LKM::includes; | |
| 59 - provided pointcut LKM::init; | |
| 60 - provided pointcut LKM::exit; | |
|
6
5b128dbd2c17
WIP on the PCI LKM + improve the UseRathaxes CMake "library" to easily build a kernel module from the sources generated by rathaxes
Louis Opter <louis@lse.epitech.net>
parents:
5
diff
changeset
|
61 + /* maybe it should be possible to use chunk ::decl in sequence templates? */ |
| 5 | 62 + provided pointcut LKM::prototypes; |
| 4 | 63 + provided pointcut LKM::data; |
| 64 + provided pointcut LKM::code; | |
| 65 | |
| 66 required variable ::string LKM::author; | |
| 67 required variable ::string LKM::description; | |
|
6
5b128dbd2c17
WIP on the PCI LKM + improve the UseRathaxes CMake "library" to easily build a kernel module from the sources generated by rathaxes
Louis Opter <louis@lse.epitech.net>
parents:
5
diff
changeset
|
68 @@ -11,11 +13,11 @@ |
| 4 | 69 required sequence LKM::init() |
| 70 { | |
| 71 provided chunk LKM::includes; | |
| 72 - provided chunk LKM::init; | |
| 73 + provided chunk LKM::code; | |
| 74 } | |
| 75 | |
| 76 required sequence LKM::exit() | |
| 77 { | |
| 78 - provided chunk LKM::exit; | |
| 79 + provided chunk LKM::code; | |
| 80 } | |
| 81 } | |
| 82 diff --git a/rathaxes/samples/lkm/lkm.rtx b/rathaxes/samples/lkm/lkm.rtx | |
| 83 --- a/rathaxes/samples/lkm/lkm.rtx | |
| 84 +++ b/rathaxes/samples/lkm/lkm.rtx | |
| 85 @@ -1,5 +1,15 @@ | |
| 86 -device LKM use LKM, Log | |
| 87 +device LKM use LKM, PCI, Log | |
| 88 { | |
| 89 + PCI::probe(PCI::Device dev) | |
| 90 + { | |
| 91 + | |
| 92 + } | |
| 93 + | |
| 94 + PCI::remove(PCI::Device dev) | |
| 95 + { | |
| 96 + | |
| 97 + } | |
| 98 + | |
| 99 LKM::init() | |
| 100 { | |
| 101 Log::info("Hello this is LKM"); | |
| 5 | 102 @@ -12,7 +22,11 @@ |
| 4 | 103 |
| 104 configuration | |
| 105 { | |
| 106 + LKM::name = "hello"; | |
| 107 LKM::author = "Rathaxes"; | |
| 108 LKM::description = "Hello World Loadable Kernel Module (LKM)"; | |
| 109 LKM::license = "BSD"; | |
| 5 | 110 + |
| 111 + PCI::vendor_id = "0x8080"; | |
| 112 + PCI::product_id = "0x42"; | |
| 113 } | |
| 4 | 114 diff --git a/rathaxes/samples/lkm/pci.blt b/rathaxes/samples/lkm/pci.blt |
| 115 new file mode 100644 | |
| 116 --- /dev/null | |
| 117 +++ b/rathaxes/samples/lkm/pci.blt | |
| 5 | 118 @@ -0,0 +1,103 @@ |
| 4 | 119 +with PCI, LKM |
| 120 +{ | |
| 121 + template type PCI::Device() | |
| 122 + { | |
| 123 + /* | |
| 124 + * chunk LKM::includes() | |
| 125 + * { | |
| 126 + * #include <linux/pci.h> | |
| 127 + * | |
| 128 + * typedef int include_linux_pci_stamp; | |
| 129 + * } | |
| 130 + */ | |
| 131 + | |
| 132 + chunk ::decl() | |
| 133 + { | |
| 134 + struct rtx_pci_device | |
| 135 + { | |
| 136 + struct pci_dev *pci_dev; | |
| 137 + }; | |
| 138 + } | |
| 139 + | |
| 140 + chunk ::init(pci_dev) | |
| 141 + { | |
| 142 + ${self}.pci_dev = pci_dev; | |
| 143 + } | |
| 144 + | |
| 145 + map | |
| 146 + { | |
| 147 + } | |
| 148 + } | |
| 149 + | |
| 150 + template sequence PCI::probe(PCI::Device dev) | |
| 151 + { | |
| 5 | 152 + chunk LKM::prototypes() |
| 153 + { | |
| 154 + static int /* __devinit */ rtx_pci_probe(struct pci_dev *, | |
| 155 + const struct pci_device_id *); | |
| 156 + } | |
| 157 + | |
| 158 + chunk LKM::data() | |
| 159 + { | |
| 160 + /* | |
| 161 + * CNorm doesn't seem to like "dynamic" arrays (i.e: you always | |
| 162 + * have to specify the exact size). | |
| 163 + */ | |
| 164 + static struct pci_device_id rtx_pci_device_table[2] = { | |
| 165 + { ${config.vendor_id}, ${config.product_id}, 0, PCI_ANY_ID, PCI_ANY_ID }, | |
| 166 + { 0, } | |
| 167 + }; | |
| 168 + | |
| 169 + static struct pci_driver rtx_pci_driver = { | |
| 170 + .name = ${config.name}, | |
| 171 + .id_table = rtx_pci_device_table, | |
| 172 + .probe = rtx_pci_probe, | |
| 173 + .remove = rtx_pci_remove | |
| 174 + }; | |
| 175 + } | |
| 176 + | |
| 4 | 177 + chunk LKM::code() |
| 178 + { | |
| 179 + static int /* __devinit */ rtx_pci_probe(struct pci_dev *pdev, | |
| 180 + const struct pci_device_id *pdev_id) | |
| 181 + { | |
| 182 + /* workaround for CNorm __std__ dialect, shouldn't be here */ | |
| 183 + typedef int ${PCI::Device}; | |
| 184 + | |
| 185 + int err; | |
|
6
5b128dbd2c17
WIP on the PCI LKM + improve the UseRathaxes CMake "library" to easily build a kernel module from the sources generated by rathaxes
Louis Opter <louis@lse.epitech.net>
parents:
5
diff
changeset
|
186 + ${PCI::Device} dev = NULL; /* Doesn't work with a pointer */ |
| 4 | 187 + |
| 188 + err = pci_enable_device(pdev); | |
| 189 +// if (err < 0) /* `if' doesn't work */ | |
| 190 +// goto fail; | |
| 191 + | |
| 192 + ${pointcut ::IMPLEMENTATION}; | |
| 193 + | |
| 194 + pci_set_drvdata(pdev, dev); | |
| 195 + | |
| 196 + return 0; | |
| 197 + | |
| 198 + fail: | |
| 199 + return err; | |
| 200 + } | |
| 201 + } | |
| 202 + } | |
| 203 + | |
| 204 + template sequence PCI::remove(PCI::Device dev) | |
| 205 + { | |
| 5 | 206 + chunk LKM::prototypes() |
| 207 + { | |
| 208 + static void rtx_pci_remove(struct pci_dev *); | |
| 209 + } | |
| 210 + | |
| 4 | 211 + chunk LKM::code() |
| 212 + { | |
| 213 + static void rtx_pci_remove(struct pci_dev *pdev) | |
| 214 + { | |
| 215 + pci_disable_device(pdev); | |
| 216 + | |
| 217 + ${pointcut ::IMPLEMENTATION}; | |
| 218 + } | |
| 219 + } | |
| 220 + } | |
| 221 +} | |
| 222 diff --git a/rathaxes/samples/lkm/pci.rti b/rathaxes/samples/lkm/pci.rti | |
| 223 new file mode 100644 | |
| 224 --- /dev/null | |
| 225 +++ b/rathaxes/samples/lkm/pci.rti | |
| 5 | 226 @@ -0,0 +1,25 @@ |
| 4 | 227 +interface PCI : LKM |
| 228 +{ | |
| 229 + provided type PCI::Device; | |
| 230 + | |
| 5 | 231 + required variable ::number PCI::vendor_id; |
| 232 + required variable ::number PCI::product_id; | |
| 233 + | |
| 4 | 234 + provided sequence PCI::register() |
| 235 + { | |
| 236 + provided chunk ::CALL; | |
| 237 + } | |
| 238 + | |
| 239 + required sequence PCI::probe(PCI::Device) | |
| 240 + { | |
| 5 | 241 + provided chunk LKM::prototypes; |
| 242 + provided chunk LKM::data; | |
| 4 | 243 + provided chunk LKM::code; |
| 244 + } | |
| 245 + | |
| 246 + required sequence PCI::remove(PCI::Device) | |
| 247 + { | |
| 5 | 248 + provided chunk LKM::prototypes; |
| 4 | 249 + provided chunk LKM::code; |
| 250 + } | |
| 251 +} |