diff options
| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2013-02-15 14:11:01 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2013-02-15 14:11:01 +0000 |
| commit | a3c4ffa3341bbf03f47ef688ae71ce5e357d0604 (patch) | |
| tree | d5af9023c606e40f2ed0193423875b204f12b884 /os/ports/GCC/PPC/SPC560Pxx/core.s | |
| parent | 216a856f9991e49c7ce4f3a1f8c96f01abdb14bf (diff) | |
| download | ChibiOS-a3c4ffa3341bbf03f47ef688ae71ce5e357d0604.tar.gz ChibiOS-a3c4ffa3341bbf03f47ef688ae71ce5e357d0604.tar.bz2 ChibiOS-a3c4ffa3341bbf03f47ef688ae71ce5e357d0604.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5189 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/ports/GCC/PPC/SPC560Pxx/core.s')
| -rw-r--r-- | os/ports/GCC/PPC/SPC560Pxx/core.s | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/os/ports/GCC/PPC/SPC560Pxx/core.s b/os/ports/GCC/PPC/SPC560Pxx/core.s new file mode 100644 index 000000000..246c39739 --- /dev/null +++ b/os/ports/GCC/PPC/SPC560Pxx/core.s @@ -0,0 +1,167 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+ 2011,2012,2013 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file SPC560Pxx/core.s
+ * @brief e200z0 core configuration.
+ *
+ * @addtogroup PPC_CORE
+ * @{
+ */
+
+/**
+ * @name BUCSR registers definitions
+ * @{
+ */
+#define BUCSR_BPEN 0x00000001
+#define BUCSR_BALLOC_BFI 0x00000200
+/** @} */
+
+/**
+ * @name BUCSR default settings
+ * @{
+ */
+#define BUCSR_DEFAULT (BUCSR_BPEN | BUCSR_BALLOC_BFI)
+/** @} */
+
+/**
+ * @name MSR register definitions
+ * @{
+ */
+#define MSR_WE 0x00040000
+#define MSR_CE 0x00020000
+#define MSR_EE 0x00008000
+#define MSR_PR 0x00004000
+#define MSR_ME 0x00001000
+#define MSR_DE 0x00000200
+#define MSR_IS 0x00000020
+#define MSR_DS 0x00000010
+#define MSR_RI 0x00000002
+/** @} */
+
+/**
+ * @name MSR default settings
+ * @{
+ */
+#define MSR_DEFAULT (MSR_WE | MSR_CE | MSR_ME)
+/** @} */
+
+#if !defined(__DOXYGEN__)
+
+ .section .coreinit, "ax"
+
+ .align 2
+ .globl _coreinit
+ .type _coreinit, @function
+_coreinit:
+ /*
+ * Branch prediction enabled.
+ */
+ li %r3, BUCSR_DEFAULT
+ mtspr 1013, %r3 /* BUCSR */
+
+ blr
+
+ /*
+ * Exception vectors initialization.
+ */
+ .global _ivinit
+ .type _ivinit, @function
+_ivinit:
+ /* MSR initialization.*/
+ lis %r3, MSR_DEFAULT@h
+ ori %r3, %r3, MSR_DEFAULT@l
+ mtMSR %r3
+
+ /* IVPR initialization.*/
+ lis %r3, __ivpr_base__@h
+ ori %r3, %r3, __ivpr_base__@l
+ mtIVPR %r3
+
+ blr
+
+ .section .handlers, "ax"
+
+ .globl IVORS
+IVORS:
+IVOR0: b IVOR0
+ .align 4
+IVOR1: b _IVOR1
+ .align 4
+IVOR2: b _IVOR2
+ .align 4
+IVOR3: b _IVOR3
+ .align 4
+IVOR4: b _IVOR4
+ .align 4
+IVOR5: b _IVOR5
+ .align 4
+IVOR6: b _IVOR6
+ .align 4
+IVOR7: b _IVOR7
+ .align 4
+IVOR8: b _IVOR8
+ .align 4
+IVOR9: b _IVOR9
+ .align 4
+IVOR10: b _IVOR10
+ .align 4
+IVOR11: b _IVOR11
+ .align 4
+IVOR12: b _IVOR12
+ .align 4
+IVOR13: b _IVOR13
+ .align 4
+IVOR14: b _IVOR14
+ .align 4
+IVOR15: b _IVOR15
+
+ /*
+ * Unhandled exceptions handler.
+ */
+ .weak _IVOR0, _IVOR1, _IVOR2, _IVOR3, _IVOR4, _IVOR5
+ .weak _IVOR6, _IVOR7, _IVOR8, _IVOR9, _IVOR10, _IVOR11
+ .weak _IVOR12, _IVOR13, _IVOR14, _IVOR15, _IVOR32, _IVOR33
+ .weak _IVOR34
+ .weak _unhandled_exception
+_IVOR0:
+_IVOR1:
+_IVOR2:
+_IVOR3:
+_IVOR5:
+_IVOR6:
+_IVOR7:
+_IVOR8:
+_IVOR9:
+_IVOR11:
+_IVOR12:
+_IVOR13:
+_IVOR14:
+_IVOR15:
+_IVOR32:
+_IVOR33:
+_IVOR34:
+ .type _unhandled_exception, @function
+_unhandled_exception:
+ b _unhandled_exception
+
+#endif /* !defined(__DOXYGEN__) */
+
+/** @} */
|