diff options
author | 2015-08-28 09:58:54 +0800 | |
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committer | 2015-09-01 12:44:00 +0800 | |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/target-openrisc/mmu_helper.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/target-openrisc/mmu_helper.c')
-rw-r--r-- | qemu/target-openrisc/mmu_helper.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/qemu/target-openrisc/mmu_helper.c b/qemu/target-openrisc/mmu_helper.c new file mode 100644 index 000000000..ee1c6f611 --- /dev/null +++ b/qemu/target-openrisc/mmu_helper.c @@ -0,0 +1,42 @@ +/* + * OpenRISC MMU helper routines + * + * Copyright (c) 2011-2012 Jia Liu <proljc@gmail.com> + * Zhizhou Zhang <etouzh@gmail.com> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + */ + +#include "cpu.h" +#include "exec/cpu_ldst.h" + +#ifndef CONFIG_USER_ONLY + +void tlb_fill(CPUState *cs, target_ulong addr, int is_write, + int mmu_idx, uintptr_t retaddr) +{ + int ret; + + ret = openrisc_cpu_handle_mmu_fault(cs, addr, is_write, mmu_idx); + + if (ret) { + if (retaddr) { + /* now we have a real cpu fault. */ + cpu_restore_state(cs, retaddr); + } + /* Raise Exception. */ + cpu_loop_exit(cs); + } +} +#endif |