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authorChris Johns <chrisj@rtems.org>2017-12-23 18:18:56 +1100
committerSebastian Huber <sebastian.huber@embedded-brains.de>2018-01-25 08:45:26 +0100
commit2afb22b7e1ebcbe40373ff7e0efae7d207c655a9 (patch)
tree44759efe9374f13200a97e96d91bd9a2b7e5ce2a /bsps/arm/include/bsp/arm-gic-irq.h
parentMAINTAINERS: Add myself to Write After Approval. (diff)
downloadrtems-2afb22b7e1ebcbe40373ff7e0efae7d207c655a9.tar.bz2
Remove make preinstall
A speciality of the RTEMS build system was the make preinstall step. It copied header files from arbitrary locations into the build tree. The header files were included via the -Bsome/build/tree/path GCC command line option. This has at least seven problems: * The make preinstall step itself needs time and disk space. * Errors in header files show up in the build tree copy. This makes it hard for editors to open the right file to fix the error. * There is no clear relationship between source and build tree header files. This makes an audit of the build process difficult. * The visibility of all header files in the build tree makes it difficult to enforce API barriers. For example it is discouraged to use BSP-specifics in the cpukit. * An introduction of a new build system is difficult. * Include paths specified by the -B option are system headers. This may suppress warnings. * The parallel build had sporadic failures on some hosts. This patch removes the make preinstall step. All installed header files are moved to dedicated include directories in the source tree. Let @RTEMS_CPU@ be the target architecture, e.g. arm, powerpc, sparc, etc. Let @RTEMS_BSP_FAMILIY@ be a BSP family base directory, e.g. erc32, imx, qoriq, etc. The new cpukit include directories are: * cpukit/include * cpukit/score/cpu/@RTEMS_CPU@/include * cpukit/libnetworking The new BSP include directories are: * bsps/include * bsps/@RTEMS_CPU@/include * bsps/@RTEMS_CPU@/@RTEMS_BSP_FAMILIY@/include There are build tree include directories for generated files. The include directory order favours the most general header file, e.g. it is not possible to override general header files via the include path order. The "bootstrap -p" option was removed. The new "bootstrap -H" option should be used to regenerate the "headers.am" files. Update #3254.
Diffstat (limited to 'bsps/arm/include/bsp/arm-gic-irq.h')
-rw-r--r--bsps/arm/include/bsp/arm-gic-irq.h112
1 files changed, 112 insertions, 0 deletions
diff --git a/bsps/arm/include/bsp/arm-gic-irq.h b/bsps/arm/include/bsp/arm-gic-irq.h
new file mode 100644
index 0000000000..09d3fe5ac2
--- /dev/null
+++ b/bsps/arm/include/bsp/arm-gic-irq.h
@@ -0,0 +1,112 @@
+/**
+ * @file
+ *
+ * @ingroup arm_gic
+ *
+ * @brief ARM GIC IRQ
+ */
+
+/*
+ * Copyright (c) 2013 embedded brains GmbH. All rights reserved.
+ *
+ * embedded brains GmbH
+ * Dornierstr. 4
+ * 82178 Puchheim
+ * Germany
+ * <info@embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.org/license/LICENSE.
+ */
+
+#ifndef LIBBSP_ARM_SHARED_ARM_GIC_IRQ_H
+#define LIBBSP_ARM_SHARED_ARM_GIC_IRQ_H
+
+#include <bsp.h>
+#include <bsp/arm-gic.h>
+#include <rtems/score/processormask.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#define ARM_GIC_IRQ_SGI_0 0
+#define ARM_GIC_IRQ_SGI_1 1
+#define ARM_GIC_IRQ_SGI_2 2
+#define ARM_GIC_IRQ_SGI_3 3
+#define ARM_GIC_IRQ_SGI_5 5
+#define ARM_GIC_IRQ_SGI_6 6
+#define ARM_GIC_IRQ_SGI_7 7
+#define ARM_GIC_IRQ_SGI_8 8
+#define ARM_GIC_IRQ_SGI_9 9
+#define ARM_GIC_IRQ_SGI_10 10
+#define ARM_GIC_IRQ_SGI_11 11
+#define ARM_GIC_IRQ_SGI_12 12
+#define ARM_GIC_IRQ_SGI_13 13
+#define ARM_GIC_IRQ_SGI_14 14
+#define ARM_GIC_IRQ_SGI_15 15
+
+#define ARM_GIC_DIST ((volatile gic_dist *) BSP_ARM_GIC_DIST_BASE)
+
+rtems_status_code arm_gic_irq_set_priority(
+ rtems_vector_number vector,
+ uint8_t priority
+);
+
+rtems_status_code arm_gic_irq_get_priority(
+ rtems_vector_number vector,
+ uint8_t *priority
+);
+
+void bsp_interrupt_set_affinity(
+ rtems_vector_number vector,
+ const Processor_mask *affinity
+);
+
+void bsp_interrupt_get_affinity(
+ rtems_vector_number vector,
+ Processor_mask *affinity
+);
+
+typedef enum {
+ ARM_GIC_IRQ_SOFTWARE_IRQ_TO_ALL_IN_LIST,
+ ARM_GIC_IRQ_SOFTWARE_IRQ_TO_ALL_EXCEPT_SELF,
+ ARM_GIC_IRQ_SOFTWARE_IRQ_TO_SELF
+} arm_gic_irq_software_irq_target_filter;
+
+static inline rtems_status_code arm_gic_irq_generate_software_irq(
+ rtems_vector_number vector,
+ arm_gic_irq_software_irq_target_filter filter,
+ uint8_t targets
+)
+{
+ rtems_status_code sc = RTEMS_SUCCESSFUL;
+
+ if (vector <= ARM_GIC_IRQ_SGI_15) {
+ volatile gic_dist *dist = ARM_GIC_DIST;
+
+ dist->icdsgir = GIC_DIST_ICDSGIR_TARGET_LIST_FILTER(filter)
+ | GIC_DIST_ICDSGIR_CPU_TARGET_LIST(targets)
+ | GIC_DIST_ICDSGIR_SGIINTID(vector);
+ } else {
+ sc = RTEMS_INVALID_ID;
+ }
+
+ return sc;
+}
+
+static inline uint32_t arm_gic_irq_processor_count(void)
+{
+ volatile gic_dist *dist = ARM_GIC_DIST;
+
+ return GIC_DIST_ICDICTR_CPU_NUMBER_GET(dist->icdictr) + 1;
+}
+
+void arm_gic_irq_initialize_secondary_cpu(void);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* LIBBSP_ARM_SHARED_ARM_GIC_IRQ_H */