target/hppa: Skeleton support for hppa-softmmu

With the addition of default-configs/hppa-softmmu.mak, this
will compile.  It is not enabled with this patch, however.

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 54 insertions, 0 deletions

diff --git a/target/hppa/mem_helper.c b/target/hppa/mem_helper.c
new file mode 100644
index 0000000000..a3e576f119
--- /dev/null
+++ b/target/hppa/mem_helper.c
@@ -0,0 +1,54 @@
+/*
+ *  HPPA memory access helper routines
+ *
+ *  Copyright (c) 2017 Helge Deller
+ *
+ * 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 "qemu/osdep.h"
+#include "cpu.h"
+#include "exec/exec-all.h"
+#include "exec/helper-proto.h"
+#include "qom/cpu.h"
+
+#ifdef CONFIG_USER_ONLY
+int hppa_cpu_handle_mmu_fault(CPUState *cs, vaddr address,
+                              int size, int rw, int mmu_idx)
+{
+    HPPACPU *cpu = HPPA_CPU(cs);
+
+    cs->exception_index = EXCP_SIGSEGV;
+    cpu->env.ior = address;
+    return 1;
+}
+#else
+hwaddr hppa_cpu_get_phys_page_debug(CPUState *cs, vaddr addr)
+{
+    /* Stub */
+    return addr;
+}
+
+void tlb_fill(CPUState *cs, target_ulong addr, MMUAccessType type,
+              int mmu_idx, uintptr_t retaddr)
+{
+    /* Stub */
+    int prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
+    hwaddr phys = addr;
+
+    /* Success!  Store the translation into the QEMU TLB.  */
+    tlb_set_page(cs, addr & TARGET_PAGE_MASK, phys & TARGET_PAGE_MASK,
+                 prot, mmu_idx, TARGET_PAGE_SIZE);
+}
+#endif /* CONFIG_USER_ONLY */