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-rw-r--r--bsd-user/riscv/target_arch_vmparam.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/bsd-user/riscv/target_arch_vmparam.h b/bsd-user/riscv/target_arch_vmparam.h
new file mode 100644
index 0000000000..0f2486def1
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+++ b/bsd-user/riscv/target_arch_vmparam.h
@@ -0,0 +1,53 @@
+/*
+ *  RISC-V VM parameters definitions
+ *
+ *  Copyright (c) 2019 Mark Corbin
+ *
+ *  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 2 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 TARGET_ARCH_VMPARAM_H
+#define TARGET_ARCH_VMPARAM_H
+
+#include "cpu.h"
+
+/* Compare with riscv/include/vmparam.h */
+#define TARGET_MAXTSIZ      (1 * GiB)           /* max text size */
+#define TARGET_DFLDSIZ      (128 * MiB)         /* initial data size limit */
+#define TARGET_MAXDSIZ      (1 * GiB)           /* max data size */
+#define TARGET_DFLSSIZ      (128 * MiB)         /* initial stack size limit */
+#define TARGET_MAXSSIZ      (1 * GiB)           /* max stack size */
+#define TARGET_SGROWSIZ     (128 * KiB)         /* amount to grow stack */
+
+#define TARGET_VM_MINUSER_ADDRESS   (0x0000000000000000UL)
+#define TARGET_VM_MAXUSER_ADDRESS   (0x0000004000000000UL)
+
+#define TARGET_USRSTACK (TARGET_VM_MAXUSER_ADDRESS - TARGET_PAGE_SIZE)
+
+static inline abi_ulong get_sp_from_cpustate(CPURISCVState *state)
+{
+    return state->gpr[xSP];
+}
+
+static inline void set_second_rval(CPURISCVState *state, abi_ulong retval2)
+{
+    state->gpr[xA1] = retval2;
+}
+
+static inline abi_ulong get_second_rval(CPURISCVState *state)
+{
+    return state->gpr[xA1];
+}
+
+#endif /* TARGET_ARCH_VMPARAM_H */