source: rtems/bsps/nios2/nios2_iss/include/bsp.h @ 2afb22b

5
Last change on this file since 2afb22b was 2afb22b, checked in by Chris Johns <chrisj@…>, on Dec 23, 2017 at 7:18:56 AM

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.

  • Property mode set to 100644
File size: 4.1 KB
Line 
1/*  bsp.h
2 *
3 *  This include file contains all board IO definitions.
4 *
5 *  XXX : put yours in here
6 *
7 *  COPYRIGHT (c) 1989-1999.
8 *  On-Line Applications Research Corporation (OAR).
9 *
10 *  The license and distribution terms for this file may be
11 *  found in the file LICENSE in this distribution or at
12 *  http://www.rtems.org/license/LICENSE.
13 */
14
15#ifndef LIBBSP_NIOS2_NIOS2_ISS_BSP_H
16#define LIBBSP_NIOS2_NIOS2_ISS_BSP_H
17
18#include <stdint.h>
19#include <bspopts.h>
20#include <bsp/default-initial-extension.h>
21
22#include <rtems.h>
23
24#ifdef __cplusplus
25extern "C" {
26#endif
27
28/* ============================================ */
29
30/* SOPC-specific Constants */
31
32#define SYSTEM_BUS_WIDTH 32
33
34#define JTAG_UART_BASE 0x08000000
35#define JTAG_UART_IRQ 2
36
37#define CLOCK_BASE 0x08001000
38#define CLOCK_FREQ 50000000
39#define CLOCK_VECTOR 1
40
41#define TIMER_BASE 0x08002000
42#define TIMER_FREQ 50000000
43#define TIMER_VECTOR 3
44
45/* ============================================ */
46
47#define NIOS2_BYPASS_CACHE ((uint32_t)0x80000000ul)
48#define NIOS2_IO_BASE(x) ( (void*) ((uint32_t)x | NIOS2_BYPASS_CACHE ) )
49#define NIOS2_IENABLE(x) do{ __builtin_wrctl(3,__builtin_rdctl(3)|x);}while(0)
50#define NIOS2_IRQ_ENABLE(x) do {__builtin_wrctl(3,__builtin_rdctl(3)|x);} while(0)
51
52/* ============================================ */
53/* TODO: Put this in an external header file */
54
55#ifndef SYSTEM_BUS_WIDTH
56#error SYSTEM_BUS_WIDTH is undefined
57#endif
58
59#if SYSTEM_BUS_WIDTH != 32
60#error Only SYSTEM_BUS_WIDTH 32 is supported
61#endif
62
63typedef struct
64{
65  volatile uint32_t status;
66  volatile uint32_t control;
67  volatile uint32_t period_lo;
68  volatile uint32_t period_hi;
69  volatile uint32_t snap_lo;
70  volatile uint32_t snap_hi;
71}
72altera_avalon_timer_regs;
73
74#define ALTERA_AVALON_TIMER_STATUS_TO_MSK             (0x1)
75#define ALTERA_AVALON_TIMER_STATUS_TO_OFST            (0)
76#define ALTERA_AVALON_TIMER_STATUS_RUN_MSK            (0x2)
77#define ALTERA_AVALON_TIMER_STATUS_RUN_OFST           (1)
78
79#define ALTERA_AVALON_TIMER_CONTROL_ITO_MSK           (0x1)
80#define ALTERA_AVALON_TIMER_CONTROL_ITO_OFST          (0)
81#define ALTERA_AVALON_TIMER_CONTROL_CONT_MSK          (0x2)
82#define ALTERA_AVALON_TIMER_CONTROL_CONT_OFST         (1)
83#define ALTERA_AVALON_TIMER_CONTROL_START_MSK         (0x4)
84#define ALTERA_AVALON_TIMER_CONTROL_START_OFST        (2)
85#define ALTERA_AVALON_TIMER_CONTROL_STOP_MSK          (0x8)
86#define ALTERA_AVALON_TIMER_CONTROL_STOP_OFST         (3)
87
88typedef struct
89{
90  volatile uint32_t data;
91  volatile uint32_t control;
92}
93altera_avalon_jtag_uart_regs;
94
95#define ALTERA_AVALON_JTAG_UART_DATA_DATA_MSK             (0x000000FFu)
96#define ALTERA_AVALON_JTAG_UART_DATA_DATA_OFST            (0)
97#define ALTERA_AVALON_JTAG_UART_DATA_RVALID_MSK           (0x00008000u)
98#define ALTERA_AVALON_JTAG_UART_DATA_RVALID_OFST          (15)
99#define ALTERA_AVALON_JTAG_UART_DATA_RAVAIL_MSK           (0xFFFF0000u)
100#define ALTERA_AVALON_JTAG_UART_DATA_RAVAIL_OFST          (16)
101
102#define ALTERA_AVALON_JTAG_UART_CONTROL_RE_MSK            (0x00000001u)
103#define ALTERA_AVALON_JTAG_UART_CONTROL_RE_OFST           (0)
104#define ALTERA_AVALON_JTAG_UART_CONTROL_WE_MSK            (0x00000002u)
105#define ALTERA_AVALON_JTAG_UART_CONTROL_WE_OFST           (1)
106#define ALTERA_AVALON_JTAG_UART_CONTROL_RI_MSK            (0x00000100u)
107#define ALTERA_AVALON_JTAG_UART_CONTROL_RI_OFST           (8)
108#define ALTERA_AVALON_JTAG_UART_CONTROL_WI_MSK            (0x00000200u)
109#define ALTERA_AVALON_JTAG_UART_CONTROL_WI_OFST           (9)
110#define ALTERA_AVALON_JTAG_UART_CONTROL_AC_MSK            (0x00000400u)
111#define ALTERA_AVALON_JTAG_UART_CONTROL_AC_OFST           (10)
112#define ALTERA_AVALON_JTAG_UART_CONTROL_WSPACE_MSK        (0xFFFF0000u)
113#define ALTERA_AVALON_JTAG_UART_CONTROL_WSPACE_OFST       (16)
114
115/* ============================================ */
116
117/* functions */
118
119rtems_isr_entry set_vector(                     /* returns old vector */
120  rtems_isr_entry     handler,                  /* isr routine        */
121  rtems_vector_number vector,                   /* vector number      */
122  int                 type                      /* RTEMS or RAW intr  */
123);
124
125#ifdef __cplusplus
126}
127#endif
128
129#endif
130/* end of include file */
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