bsps: Move startup files to bsps

Adjust build support files to new directory layout.

This patch is a part of the BSP source reorganization.

Update #3285.

8 files changed, 301 insertions, 0 deletions

diff --git a/bsps/arm/tms570/start/bsp_specs b/bsps/arm/tms570/start/bsp_specs
new file mode 100644
index 0000000000..9c4b57c578
--- /dev/null
+++ b/bsps/arm/tms570/start/bsp_specs
@@ -0,0 +1,9 @@
+%rename endfile old_endfile
+%rename startfile old_startfile
+
+*startfile:
+%{!qrtems: %(old_startfile)} \
+%{!nostdlib: %{qrtems: crti.o%s crtbegin.o%s}}
+
+*endfile:
+%{!qrtems: %(old_endfiles)} %{qrtems: crtend.o%s crtn.o%s }
diff --git a/bsps/arm/tms570/start/bspreset.c b/bsps/arm/tms570/start/bspreset.c
new file mode 100644
index 0000000000..f6bdee27e1
--- /dev/null
+++ b/bsps/arm/tms570/start/bspreset.c
@@ -0,0 +1,47 @@
+/**
+ * @file bspreset.c
+ *
+ * @ingroup tms570
+ *
+ * @brief Reset code.
+ */
+
+/*
+ * Copyright (c) 2015 Taller Technologies.
+ *
+ * @author Martin Galvan <martin.galvan@tallertechnologies.com>
+ *
+ * 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.
+ */
+
+#include <bsp.h>
+#include <bsp/bootcard.h>
+#include <bsp/tms570.h>
+#include <bsp/start.h>
+
+static void handle_esm_errors(uint32_t esm_irq_channel)
+{
+   /* ESMR3 errors don't generate interrupts. */
+   if (esm_irq_channel < 0x20u) {
+     TMS570_ESM.SR[0] = 1 << esm_irq_channel;
+   } else if (esm_irq_channel < 0x40u) {
+     TMS570_ESM.SR[1] = 1 << (esm_irq_channel - 32u);
+   } else if (esm_irq_channel < 0x60u) {
+     TMS570_ESM.SR4 = 1 << (esm_irq_channel - 64u);
+   }
+}
+
+void bsp_reset(void)
+{
+   uint32_t esm_irq_channel = TMS570_ESM.IOFFHR - 1;
+
+   if (esm_irq_channel) {
+     handle_esm_errors(esm_irq_channel);
+   }
+
+   /* Reset the board */
+   /* write of value other than 1 cause system reset */
+   TMS570_SYS1.SYSECR = TMS570_SYS1_SYSECR_RESET(2);
+}
diff --git a/bsps/arm/tms570/start/bspstart.c b/bsps/arm/tms570/start/bspstart.c
new file mode 100644
index 0000000000..025bb741d2
--- /dev/null
+++ b/bsps/arm/tms570/start/bspstart.c
@@ -0,0 +1,75 @@
+/**
+ * @file bspstart.c
+ *
+ * @ingroup tms570
+ *
+ * @brief Startup code.
+ */
+
+/*
+ * Copyright (c) 2014 Premysl Houdek <kom541000@gmail.com>
+ *
+ * Google Summer of Code 2014 at
+ * Czech Technical University in Prague
+ * Zikova 1903/4
+ * 166 36 Praha 6
+ * Czech Republic
+ *
+ * Based on LPC24xx and LPC1768 BSP
+ *
+ * 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.
+ */
+
+#include <bsp.h>
+#include <bsp/tms570-pom.h>
+#include <bsp/irq-generic.h>
+#include <bsp/start.h>
+#include <bsp/bootcard.h>
+#include <bsp/linker-symbols.h>
+#include <rtems/endian.h>
+
+void bsp_start( void )
+{
+  void *need_remap_ptr;
+  unsigned int need_remap_int;
+
+  tms570_initialize_and_clear();
+
+  /*
+   * If RTEMS image does not start at address 0x00000000
+   * then first level exception table at memory begin has
+   * to be replaced to point to RTEMS handlers addresses.
+   *
+   * There is no VBAR or other option because Cortex-R
+   * does provides only fixed address 0x00000000 for exceptions
+   * (0xFFFF0000-0xFFFF001C alternative SCTLR.V = 1 cannot
+   * be used because target area corersponds to PMM peripheral
+   * registers on TMS570).
+   *
+   * Alternative is to use jumps over SRAM based trampolines
+   * but that is not compatible with
+   *   Check TCRAM1 ECC error detection logic
+   * which intentionally introduces data abort during startup
+   * to check SRAM and if exception processing goes through
+   * SRAM then it leads to CPU error halt.
+   *
+   * So use of POM to replace jumps to vectors target
+   * addresses seems to be the best option for now.
+   *
+   * The passing of linker symbol (represented as start address
+   * of global array) through dummy asm block ensures that C compiler
+   * cannot optimize comparison out on premise that reference cannot
+   * evaluate to NULL definition in standard.
+   */
+  need_remap_ptr = bsp_start_vector_table_begin;
+  asm volatile ("\n": "=r" (need_remap_int): "0" (need_remap_ptr));
+  if ( need_remap_int != 0 ) {
+    tms570_pom_remap();
+  }
+
+  /* Interrupts */
+  bsp_interrupt_initialize();
+
+}
diff --git a/bsps/arm/tms570/start/bspstarthooks.c b/bsps/arm/tms570/start/bspstarthooks.c
new file mode 100644
index 0000000000..a9e189b6b8
--- /dev/null
+++ b/bsps/arm/tms570/start/bspstarthooks.c
@@ -0,0 +1,41 @@
+/**
+ * @file bspstarthooks.c
+ *
+ * @ingroup tms570
+ *
+ * @brief First configurations and initializations to the correct
+ *              functionality of the board.
+ */
+
+/*
+ * Copyright (c) 2014 Premysl Houdek <kom541000@gmail.com>
+ *
+ * Google Summer of Code 2014 at
+ * Czech Technical University in Prague
+ * Zikova 1903/4
+ * 166 36 Praha 6
+ * Czech Republic
+ *
+ * Based on LPC24xx and LPC1768 BSP
+ * by embedded brains GmbH and others
+ *
+ * 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.
+ */
+
+#include <bsp.h>
+#include <bsp/start.h>
+
+BSP_START_TEXT_SECTION void bsp_start_hook_0( void )
+{
+  ;
+}
+
+BSP_START_TEXT_SECTION void bsp_start_hook_1( void )
+{
+  bsp_start_copy_sections();
+  bsp_start_clear_bss();
+
+  /* At this point we can use objects outside the .start section  */
+}
diff --git a/bsps/arm/tms570/start/linkcmds.tms570ls3137_hdk b/bsps/arm/tms570/start/linkcmds.tms570ls3137_hdk
new file mode 100644
index 0000000000..a32562fc6b
--- /dev/null
+++ b/bsps/arm/tms570/start/linkcmds.tms570ls3137_hdk
@@ -0,0 +1,32 @@
+
+MEMORY {
+	ROM_INT (RX)  : ORIGIN = 0x00000000, LENGTH = 3M
+	RAM_INT_VEC :    ORIGIN = 0x08000000, LENGTH = 256
+	RAM_INT (AIWX) : ORIGIN = 0x08000100, LENGTH = 256k - 256
+	RAM_EXT (AIWX) : ORIGIN = 0x80000000, LENGTH = 8M
+}
+
+REGION_ALIAS ("REGION_START", ROM_INT);
+REGION_ALIAS ("REGION_VECTOR", RAM_INT);
+REGION_ALIAS ("REGION_TEXT", ROM_INT);
+REGION_ALIAS ("REGION_TEXT_LOAD", ROM_INT);
+REGION_ALIAS ("REGION_RODATA", ROM_INT);
+REGION_ALIAS ("REGION_RODATA_LOAD", ROM_INT);
+REGION_ALIAS ("REGION_DATA", RAM_INT);
+REGION_ALIAS ("REGION_DATA_LOAD", ROM_INT);
+REGION_ALIAS ("REGION_FAST_TEXT", RAM_INT);
+REGION_ALIAS ("REGION_FAST_TEXT_LOAD", ROM_INT);
+REGION_ALIAS ("REGION_FAST_DATA", RAM_INT);
+REGION_ALIAS ("REGION_FAST_DATA_LOAD", ROM_INT);
+REGION_ALIAS ("REGION_BSS", RAM_INT);
+REGION_ALIAS ("REGION_WORK", RAM_INT);
+REGION_ALIAS ("REGION_STACK", RAM_INT);
+REGION_ALIAS ("REGION_NOCACHE", RAM_INT);
+REGION_ALIAS ("REGION_NOCACHE_LOAD", RAM_INT);
+
+bsp_stack_main_size = DEFINED (bsp_stack_main_size) ? bsp_stack_main_size : 1024;
+bsp_stack_main_size = ALIGN (bsp_stack_main_size, bsp_stack_align);
+
+bsp_int_vec_overlay_start = ORIGIN(RAM_INT_VEC);
+
+INCLUDE linkcmds.armv4
diff --git a/bsps/arm/tms570/start/linkcmds.tms570ls3137_hdk_intram b/bsps/arm/tms570/start/linkcmds.tms570ls3137_hdk_intram
new file mode 100644
index 0000000000..7cb683de3d
--- /dev/null
+++ b/bsps/arm/tms570/start/linkcmds.tms570ls3137_hdk_intram
@@ -0,0 +1,32 @@
+
+MEMORY {
+	ROM_INT (RX) :   ORIGIN = 0x00000000, LENGTH = 3M
+	RAM_INT_VEC :    ORIGIN = 0x08000000, LENGTH = 256
+	RAM_INT (AIWX) : ORIGIN = 0x08000100, LENGTH = 256k - 256
+	RAM_EXT (AIW) :  ORIGIN = 0x80000000, LENGTH = 8M
+}
+
+REGION_ALIAS ("REGION_START", RAM_INT);
+REGION_ALIAS ("REGION_VECTOR", RAM_INT);
+REGION_ALIAS ("REGION_TEXT", RAM_INT);
+REGION_ALIAS ("REGION_TEXT_LOAD", RAM_INT);
+REGION_ALIAS ("REGION_RODATA", RAM_INT);
+REGION_ALIAS ("REGION_RODATA_LOAD", RAM_INT);
+REGION_ALIAS ("REGION_DATA", RAM_INT);
+REGION_ALIAS ("REGION_DATA_LOAD", RAM_INT);
+REGION_ALIAS ("REGION_FAST_TEXT", RAM_INT);
+REGION_ALIAS ("REGION_FAST_TEXT_LOAD", RAM_INT);
+REGION_ALIAS ("REGION_FAST_DATA", RAM_INT);
+REGION_ALIAS ("REGION_FAST_DATA_LOAD", RAM_INT);
+REGION_ALIAS ("REGION_BSS", RAM_INT);
+REGION_ALIAS ("REGION_WORK", RAM_INT);
+REGION_ALIAS ("REGION_STACK", RAM_INT);
+REGION_ALIAS ("REGION_NOCACHE", RAM_INT);
+REGION_ALIAS ("REGION_NOCACHE_LOAD", RAM_INT);
+
+bsp_stack_main_size = DEFINED (bsp_stack_main_size) ? bsp_stack_main_size : 1024;
+bsp_stack_main_size = ALIGN (bsp_stack_main_size, bsp_stack_align);
+
+bsp_int_vec_overlay_start = ORIGIN(RAM_INT_VEC);
+
+INCLUDE linkcmds.armv4
diff --git a/bsps/arm/tms570/start/linkcmds.tms570ls3137_hdk_sdram b/bsps/arm/tms570/start/linkcmds.tms570ls3137_hdk_sdram
new file mode 100644
index 0000000000..0117410467
--- /dev/null
+++ b/bsps/arm/tms570/start/linkcmds.tms570ls3137_hdk_sdram
@@ -0,0 +1,32 @@
+
+MEMORY {
+	ROM_INT (RX)  : ORIGIN = 0x00000000, LENGTH = 3M
+	RAM_INT_VEC :    ORIGIN = 0x08000000, LENGTH = 256
+	RAM_INT (AIWX) : ORIGIN = 0x08000100, LENGTH = 256k - 256
+	RAM_EXT (AIWX) : ORIGIN = 0x80000000, LENGTH = 8M
+}
+
+REGION_ALIAS ("REGION_START", RAM_EXT);
+REGION_ALIAS ("REGION_VECTOR", RAM_EXT);
+REGION_ALIAS ("REGION_TEXT", RAM_EXT);
+REGION_ALIAS ("REGION_TEXT_LOAD", RAM_EXT);
+REGION_ALIAS ("REGION_RODATA", RAM_EXT);
+REGION_ALIAS ("REGION_RODATA_LOAD", RAM_EXT);
+REGION_ALIAS ("REGION_DATA", RAM_EXT);
+REGION_ALIAS ("REGION_DATA_LOAD", RAM_EXT);
+REGION_ALIAS ("REGION_FAST_TEXT", RAM_EXT);
+REGION_ALIAS ("REGION_FAST_TEXT_LOAD", RAM_EXT);
+REGION_ALIAS ("REGION_FAST_DATA", RAM_EXT);
+REGION_ALIAS ("REGION_FAST_DATA_LOAD", RAM_EXT);
+REGION_ALIAS ("REGION_BSS", RAM_EXT);
+REGION_ALIAS ("REGION_WORK", RAM_EXT);
+REGION_ALIAS ("REGION_STACK", RAM_EXT);
+REGION_ALIAS ("REGION_NOCACHE", RAM_EXT);
+REGION_ALIAS ("REGION_NOCACHE_LOAD", RAM_EXT);
+
+bsp_stack_main_size = DEFINED (bsp_stack_main_size) ? bsp_stack_main_size : 1024;
+bsp_stack_main_size = ALIGN (bsp_stack_main_size, bsp_stack_align);
+
+bsp_int_vec_overlay_start = ORIGIN(RAM_INT_VEC);
+
+INCLUDE linkcmds.armv4
diff --git a/bsps/arm/tms570/start/linkcmds.tms570ls3137_hdk_with_loader b/bsps/arm/tms570/start/linkcmds.tms570ls3137_hdk_with_loader
new file mode 100644
index 0000000000..940f303030
--- /dev/null
+++ b/bsps/arm/tms570/start/linkcmds.tms570ls3137_hdk_with_loader
@@ -0,0 +1,33 @@
+
+MEMORY {
+  ROM_BOOT(RX)  : ORIGIN = 0x00000000, LENGTH = 256k
+  ROM_INT (RX)  : ORIGIN = 0x00040000, LENGTH = 3M-256k
+  RAM_INT_VEC :    ORIGIN = 0x08000000, LENGTH = 256
+  RAM_INT (AIWX) : ORIGIN = 0x08000100, LENGTH = 256k - 256
+  RAM_EXT (AIWX) : ORIGIN = 0x80000000, LENGTH = 8M
+}
+
+REGION_ALIAS ("REGION_START", ROM_INT);
+REGION_ALIAS ("REGION_VECTOR", RAM_INT);
+REGION_ALIAS ("REGION_TEXT", ROM_INT);
+REGION_ALIAS ("REGION_TEXT_LOAD", ROM_INT);
+REGION_ALIAS ("REGION_RODATA", ROM_INT);
+REGION_ALIAS ("REGION_RODATA_LOAD", ROM_INT);
+REGION_ALIAS ("REGION_DATA", RAM_INT);
+REGION_ALIAS ("REGION_DATA_LOAD", ROM_INT);
+REGION_ALIAS ("REGION_FAST_TEXT", RAM_INT);
+REGION_ALIAS ("REGION_FAST_TEXT_LOAD", ROM_INT);
+REGION_ALIAS ("REGION_FAST_DATA", RAM_INT);
+REGION_ALIAS ("REGION_FAST_DATA_LOAD", ROM_INT);
+REGION_ALIAS ("REGION_BSS", RAM_INT);
+REGION_ALIAS ("REGION_WORK", RAM_INT);
+REGION_ALIAS ("REGION_STACK", RAM_INT);
+REGION_ALIAS ("REGION_NOCACHE", RAM_INT);
+REGION_ALIAS ("REGION_NOCACHE_LOAD", RAM_INT);
+
+bsp_stack_main_size = DEFINED (bsp_stack_main_size) ? bsp_stack_main_size : 1024;
+bsp_stack_main_size = ALIGN (bsp_stack_main_size, bsp_stack_align);
+
+bsp_int_vec_overlay_start = ORIGIN(RAM_INT_VEC);
+
+INCLUDE linkcmds.armv4