2008-09-05 Joel Sherrill <joel.sherrill@oarcorp.com>

* Makefile.am, preinstall.am, shmsupp/getcfg.c, shmsupp/lock.c, startup/linkcmds: Now running mptests using new memory layout with updates patches against gdb 6.8. * include/psim.h, startup/psim_registers.c: New files.
2008-09-05 14:42:59 +00:00
parent 94130dbbdf
commit 39cc10ab8a
8 changed files with 129 additions and 22 deletions
--- a/c/src/lib/libbsp/powerpc/psim/ChangeLog
+++ b/c/src/lib/libbsp/powerpc/psim/ChangeLog
@@ -1,3 +1,10 @@
+2008-09-05	Joel Sherrill <joel.sherrill@oarcorp.com>
+
+	* Makefile.am, preinstall.am, shmsupp/getcfg.c, shmsupp/lock.c,
+	startup/linkcmds: Now running mptests using new memory layout with
+	updates patches against gdb 6.8.
+	* include/psim.h, startup/psim_registers.c: New files.
+
 2008-08-29	Joel Sherrill <joel.sherrill@OARcorp.com>

 	* Makefile.am: Remove another duplicate reference.
--- a/c/src/lib/libbsp/powerpc/psim/Makefile.am
+++ b/c/src/lib/libbsp/powerpc/psim/Makefile.am
@@ -15,6 +15,7 @@ dist_project_lib_DATA = bsp_specs

 include_HEADERS = include/bsp.h
 include_HEADERS += include/tm27.h
+include_HEADERS += include/psim.h

 nodist_include_HEADERS = include/bspopts.h
 DISTCLEANFILES = include/bspopts.h
@@ -42,7 +43,8 @@ noinst_LIBRARIES = libbsp.a
 startup_SOURCES = startup/bspclean.c ../../shared/bsplibc.c \
    ../../shared/bsppost.c ../../shared/bsppretaskinghook.c \
    ../../shared/bsppredriverhook.c startup/bspstart.c ../../shared/bootcard.c \
-    ../../shared/sbrk.c ../../shared/gnatinstallhandler.c
+    ../../shared/sbrk.c ../../shared/gnatinstallhandler.c \
+    startup/psim_registers.c

 pclock_SOURCES = ../shared/clock/p_clock.c
 console_SOURCES = ../../shared/console-polled.c
--- a/c/src/lib/libbsp/powerpc/psim/include/psim.h
+++ b/c/src/lib/libbsp/powerpc/psim/include/psim.h
@@ -0,0 +1,75 @@
+/*
+ *  PSIM addresses and constants based upon the configuration
+ *  of devices used in the script provided by RTEMS.
+ *
+ *  $Id$
+ */
+
+#ifndef __PSIM_h
+#define __PSIM_h
+
+/*
+ * RAM Information
+ */
+#define PSIM_RAM_BASE (void *)0x00000000
+#define PSIM_RAM_SIZE 8388608
+
+/*
+ * NVRAM/RTC Structure and Information
+ */
+
+#define PSIM_RTC_FREEZE 0xc0
+#define PSIM_RTC_UPDATE 0x00
+
+typedef struct {
+  volatile uint8_t Control; /* 0x04 */
+  volatile uint8_t Second;  /* 0x05 */
+  volatile uint8_t Minute;  /* 0x06 */
+  volatile uint8_t Hour;    /* 0x07 */
+  volatile uint8_t Day;     /* 0x08 */
+  volatile uint8_t Date;    /* 0x09 */
+  volatile uint8_t Month;   /* 0x0a */
+  volatile uint8_t Year;    /* 0x0b */
+} psim_rtc_t;
+
+/*
+ *  System V IPC Semaphore -- Read Only
+ */
+
+typedef struct {
+  volatile uint32_t  obtain_value;  /* 0x00 */
+  volatile uint32_t  lock;          /* 0x04 */
+  volatile uint32_t  unlock;        /* 0x08 */
+} psim_sysv_sem_t;
+
+typedef struct {
+  /* 0x0c000000 - 0x0c007FFF - AMD 29F040 */
+  volatile uint8_t Flash[ 512 * 1024 ];
+
+  /* 0x0c080000 - 0x0c0FFFFF - NVRAM/NVRAM */
+  volatile uint8_t nvram[ 512 * 1024 ];
+
+  /* 0x0c100000 - 0x0c100007 - NVRAM/RTC */
+  psim_rtc_t RTC;
+
+  /* 0x0c100008 - 0x0c10000F - NVRAM/RTC */
+  uint8_t gap1[8];
+
+  /* 0x0c100010 - 0x0c10001b - System V IPC Semaphore */
+  psim_sysv_sem_t Semaphore;
+
+  /* 0x0c10001C - 0x0c10FFFF - NVRAM/RTC */
+  uint8_t gap2[65508];
+
+  /* 0x0c110000 - 0x0c12FFFF - System V IPC Shared Memory */
+  uint8_t SharedMemory[ 128 * 1024 ];
+
+} psim_registers_t;
+
+/*
+ *  Data Structure Overlay for Registers.  See linkcmds for placement.
+ */
+extern psim_registers_t PSIM;
+
+#endif
+/* end of include file */
--- a/c/src/lib/libbsp/powerpc/psim/preinstall.am
+++ b/c/src/lib/libbsp/powerpc/psim/preinstall.am
@@ -40,6 +40,10 @@ $(PROJECT_INCLUDE)/tm27.h: include/tm27.h $(PROJECT_INCLUDE)/$(dirstamp)
 	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/tm27.h
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/tm27.h

+$(PROJECT_INCLUDE)/psim.h: include/psim.h $(PROJECT_INCLUDE)/$(dirstamp)
+	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/psim.h
+PREINSTALL_FILES += $(PROJECT_INCLUDE)/psim.h
+
 $(PROJECT_INCLUDE)/bspopts.h: include/bspopts.h $(PROJECT_INCLUDE)/$(dirstamp)
 	$(INSTALL_DATA) $< $(PROJECT_INCLUDE)/bspopts.h
 PREINSTALL_FILES += $(PROJECT_INCLUDE)/bspopts.h
--- a/c/src/lib/libbsp/powerpc/psim/shmsupp/getcfg.c
+++ b/c/src/lib/libbsp/powerpc/psim/shmsupp/getcfg.c
@@ -12,7 +12,7 @@
 *
 *  NOTES:  No interrupt support.
 *
- *  COPYRIGHT (c) 1989-1999.
+ *  COPYRIGHT (c) 1989-2008.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
@@ -23,6 +23,7 @@
 */

 #include <rtems.h>
+#include <psim.h>
 #include "shm_driver.h"

 #define INTERRUPT 0                   /* PSIM target supports only */
@@ -35,8 +36,8 @@ void Shm_Get_configuration(
  shm_config_table **shmcfg
 )
 {
-   BSP_shm_cfgtbl.base         = (uint32_t*)0xc0000000;
-   BSP_shm_cfgtbl.length       = 64 * 1024;
+   BSP_shm_cfgtbl.base         = (uint32_t*)PSIM.SharedMemory;
+   BSP_shm_cfgtbl.length       = sizeof(PSIM.SharedMemory);
   BSP_shm_cfgtbl.format       = SHM_BIG;

   BSP_shm_cfgtbl.cause_intr   = Shm_Cause_interrupt;
--- a/c/src/lib/libbsp/powerpc/psim/shmsupp/lock.c
+++ b/c/src/lib/libbsp/powerpc/psim/shmsupp/lock.c
@@ -6,7 +6,7 @@
 *  and deadlock when two tasks poll for the same lock.
 *  previous level.
 *
- *  COPYRIGHT (c) 1989-1997.
+ *  COPYRIGHT (c) 1989-2008.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may in
@@ -19,8 +19,7 @@
 #include <rtems.h>
 #include <bsp.h>
 #include <shm_driver.h>
-
-typedef volatile unsigned int volint;
+#include <psim.h>

 /*
 *  Shm_Initialize_lock
@@ -46,9 +45,7 @@ void Shm_Lock(
  Shm_Locked_queue_Control *lq_cb
 )
 {
-  volint *p = (volint *)0xc0010000;
-
-  (void) p[1];
+  (void) PSIM.Semaphore.lock;
 }

 /*
@@ -61,7 +58,5 @@ void Shm_Unlock(
  Shm_Locked_queue_Control *lq_cb
 )
 {
-  volint *p = (volint *)0xc0010000;
-
-  (void) p[2];
+  (void) PSIM.Semaphore.unlock;
 }
--- a/c/src/lib/libbsp/powerpc/psim/startup/linkcmds
+++ b/c/src/lib/libbsp/powerpc/psim/startup/linkcmds
@@ -1,6 +1,5 @@
 /*
- *
- *  COPYRIGHT (c) 1989-1999.
+ *  COPYRIGHT (c) 1989-2008.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
@@ -10,18 +9,17 @@
 *  $Id$
 */

-OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc",
-	      "elf32-powerpc")
+OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
 OUTPUT_ARCH(powerpc)
 ENTRY(_start)
 /* Do we need any of these for elf?
   __DYNAMIC = 0;    */
-PROVIDE (PSIM_INSTRUCTIONS_PER_MICROSECOND = 10000);   /* 100); */
-PROVIDE (CPU_PPC_CLICKS_PER_MS = 16667);
+PROVIDE (PSIM_INSTRUCTIONS_PER_MICROSECOND = 10000);
 MEMORY
  {
-        RAM : ORIGIN = 0, LENGTH = 8M
-        EPROM : ORIGIN = 0xFFF00000, LENGTH = 0x20000
+        RAM       : ORIGIN = 0, LENGTH = 8M
+	PSIM_REGS : ORIGIN = 0x0c000000, LENGTH = 16M
+        VECTORS   : ORIGIN = 0xFFF00000, LENGTH = 0x20000
  }

 SECTIONS
@@ -29,7 +27,17 @@ SECTIONS
  .entry_point_section :
  {
 	*(.entry_point_section)
-  } > EPROM
+  } > VECTORS
+
+  /*
+   * BSP: PSIM Register Block
+   */
+  .psim_regs (NOLOAD) : { 
+    psim_reg*(.text)
+    psim_reg*(.data)
+    psim_reg*(.bss)
+    psim_reg*(COMMON)
+  } > PSIM_REGS

  /* Read-only sections, merged into text segment: */
  /* . = 0x40000 + SIZEOF_HEADERS; */
--- a/c/src/lib/libbsp/powerpc/psim/startup/psim_registers.c
+++ b/c/src/lib/libbsp/powerpc/psim/startup/psim_registers.c
@@ -0,0 +1,15 @@
+/*
+ *  COPYRIGHT (c) 1989-2008.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+
+#include <bsp.h>
+#include <psim.h>
+
+psim_registers_t PSIM;