sim: bfin: new port

This can boot Das U-Boot and a Linux kernel.  It also supports Linux
userspace FLAT and FDPIC (dynamic and static) ELFs.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

1 files changed, 94 insertions, 0 deletions

diff --git a/sim/bfin/dv-bfin_mmu.h b/sim/bfin/dv-bfin_mmu.h
new file mode 100644
index 0000000..e03a327
--- /dev/null
+++ b/sim/bfin/dv-bfin_mmu.h
@@ -0,0 +1,94 @@
+/* Blackfin Memory Management Unit (MMU) model.
+
+   Copyright (C) 2010-2011 Free Software Foundation, Inc.
+   Contributed by Analog Devices, Inc.
+
+   This file is part of simulators.
+
+   This program 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.
+
+   This program 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/>.  */
+
+#ifndef DV_BFIN_MMU_H
+#define DV_BFIN_MMU_H
+
+#define BFIN_COREMMR_MMU_BASE	0xFFE00000
+#define BFIN_COREMMR_MMU_SIZE	0x2000
+
+void mmu_check_addr (SIM_CPU *, bu32 addr, bool write, bool inst, int size);
+void mmu_check_cache_addr (SIM_CPU *, bu32 addr, bool write, bool inst);
+void mmu_process_fault (SIM_CPU *, bu32 addr, bool write, bool inst, bool unaligned, bool miss);
+void mmu_log_ifault (SIM_CPU *);
+
+/* MEM_CONTROL */
+#define ENM    (1 << 0)
+#define ENCPLB (1 << 1)
+#define MC     (1 << 2)
+
+#define ENDM         ENM
+#define ENDCPLB      ENCPLB
+#define DMC_AB_SRAM      0x0
+#define DMC_AB_CACHE     0xc
+#define DMC_ACACHE_BSRAM 0x8
+
+/* CPLB_DATA */
+#define CPLB_VALID   (1 << 0)
+#define CPLB_USER_RD (1 << 2)
+#define CPLB_USER_WR (1 << 3)
+#define CPLB_USER_RW (CPLB_USER_RD | CPLB_USER_WR)
+#define CPLB_SUPV_WR (1 << 4)
+#define CPLB_L1SRAM  (1 << 5)
+#define CPLB_DA0ACC  (1 << 6)
+#define CPLB_DIRTY   (1 << 7)
+#define CPLB_L1_CHBL (1 << 12)
+#define CPLB_WT      (1 << 14)
+#define PAGE_SIZE    (3 << 16)
+#define PAGE_SIZE_1K (0 << 16)
+#define PAGE_SIZE_4K (1 << 16)
+#define PAGE_SIZE_1M (2 << 16)
+#define PAGE_SIZE_4M (3 << 16)
+
+/* CPLB_STATUS */
+#define FAULT_CPLB0   (1 << 0)
+#define FAULT_CPLB1   (1 << 1)
+#define FAULT_CPLB2   (1 << 2)
+#define FAULT_CPLB3   (1 << 3)
+#define FAULT_CPLB4   (1 << 4)
+#define FAULT_CPLB5   (1 << 5)
+#define FAULT_CPLB6   (1 << 6)
+#define FAULT_CPLB7   (1 << 7)
+#define FAULT_CPLB8   (1 << 8)
+#define FAULT_CPLB9   (1 << 9)
+#define FAULT_CPLB10  (1 << 10)
+#define FAULT_CPLB11  (1 << 11)
+#define FAULT_CPLB12  (1 << 12)
+#define FAULT_CPLB13  (1 << 13)
+#define FAULT_CPLB14  (1 << 14)
+#define FAULT_CPLB15  (1 << 15)
+#define FAULT_READ    (0 << 16)
+#define FAULT_WRITE   (1 << 16)
+#define FAULT_USER    (0 << 17)
+#define FAULT_SUPV    (1 << 17)
+#define FAULT_DAG0    (0 << 18)
+#define FAULT_DAG1    (1 << 18)
+#define FAULT_ILLADDR (1 << 19)
+
+/* DTEST_COMMAND */
+#define TEST_READ       (0 << 1)
+#define TEST_WRITE      (1 << 1)
+#define TEST_TAG_ARRAY  (0 << 2)
+#define TEST_DATA_ARRAY (1 << 2)
+#define TEST_DBANK      (1 << 23)
+#define TEST_DATA_SRAM  (0 << 24)
+#define TEST_INST_SRAM  (1 << 24)
+
+#endif