@@ -24,6 +24,7 @@ enum {
QEMU_ARCH_MOXIE = (1 << 15),
QEMU_ARCH_TRICORE = (1 << 16),
QEMU_ARCH_NIOS2 = (1 << 17),
+ QEMU_ARCH_HPPA = (1 << 18),
};
extern const uint32_t arch_type;
@@ -133,6 +133,7 @@ void cpu_hppa_loaded_fr0(CPUHPPAState *env);
int cpu_hppa_signal_handler(int host_signum, void *pinfo, void *puc);
int hppa_cpu_handle_mmu_fault(CPUState *cpu, vaddr address, int rw, int midx);
+hwaddr hppa_cpu_get_phys_page_debug(CPUState *cs, vaddr addr);
int hppa_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
int hppa_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
void hppa_cpu_do_interrupt(CPUState *cpu);
@@ -53,6 +53,8 @@ int graphic_depth = 32;
#define QEMU_ARCH QEMU_ARCH_CRIS
#elif defined(TARGET_I386)
#define QEMU_ARCH QEMU_ARCH_I386
+#elif defined(TARGET_HPPA)
+#define QEMU_ARCH QEMU_ARCH_HPPA
#elif defined(TARGET_M68K)
#define QEMU_ARCH QEMU_ARCH_M68K
#elif defined(TARGET_LM32)
new file mode 100644
@@ -0,0 +1,38 @@
+/*
+ * QEMU HPPA hardware system emulator.
+ * Copyright 2018 Helge Deller <deller@gmx.de>
+ */
+
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "cpu.h"
+#include "hw/hw.h"
+#include "elf.h"
+#include "hw/loader.h"
+#include "hw/boards.h"
+#include "qemu/error-report.h"
+#include "sysemu/sysemu.h"
+#include "hw/timer/mc146818rtc.h"
+#include "hw/ide.h"
+#include "hw/timer/i8254.h"
+#include "hw/char/serial.h"
+#include "qemu/cutils.h"
+#include "qapi/error.h"
+
+
+static void machine_hppa_init(MachineState *machine)
+{
+}
+
+static void machine_hppa_machine_init(MachineClass *mc)
+{
+ mc->desc = "HPPA generic machine";
+ mc->init = machine_hppa_init;
+ mc->block_default_type = IF_SCSI;
+ mc->max_cpus = 1;
+ mc->is_default = 1;
+ mc->default_ram_size = 512 * M_BYTE;
+ mc->default_boot_order = "cd";
+}
+
+DEFINE_MACHINE("hppa", machine_hppa_machine_init)
@@ -132,7 +132,12 @@ static void hppa_cpu_class_init(ObjectClass *oc, void *data)
cc->synchronize_from_tb = hppa_cpu_synchronize_from_tb;
cc->gdb_read_register = hppa_cpu_gdb_read_register;
cc->gdb_write_register = hppa_cpu_gdb_write_register;
+#ifdef CONFIG_USER_ONLY
cc->handle_mmu_fault = hppa_cpu_handle_mmu_fault;
+#else
+ cc->get_phys_page_debug = hppa_cpu_get_phys_page_debug;
+#endif
+
cc->disas_set_info = hppa_cpu_disas_set_info;
cc->tcg_initialize = hppa_translate_init;
@@ -65,16 +65,6 @@ void cpu_hppa_put_psw(CPUHPPAState *env, target_ulong psw)
env->psw_cb = cb;
}
-int hppa_cpu_handle_mmu_fault(CPUState *cs, vaddr address,
- int rw, int mmu_idx)
-{
- HPPACPU *cpu = HPPA_CPU(cs);
-
- cs->exception_index = EXCP_SIGSEGV;
- cpu->env.ior = address;
- return 1;
-}
-
void hppa_cpu_do_interrupt(CPUState *cs)
{
HPPACPU *cpu = HPPA_CPU(cs);
new file mode 100644
@@ -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 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 */
@@ -58,9 +58,9 @@ void HELPER(tcond)(CPUHPPAState *env, target_ulong cond)
static void atomic_store_3(CPUHPPAState *env, target_ulong addr, uint32_t val,
uint32_t mask, uintptr_t ra)
{
+#ifdef CONFIG_USER_ONLY
uint32_t old, new, cmp;
-#ifdef CONFIG_USER_ONLY
uint32_t *haddr = g2h(addr - 1);
old = *haddr;
while (1) {
@@ -72,7 +72,8 @@ static void atomic_store_3(CPUHPPAState *env, target_ulong addr, uint32_t val,
old = cmp;
}
#else
-#error "Not implemented."
+ /* FIXME -- we can do better. */
+ cpu_loop_exit_atomic(ENV_GET_CPU(env), ra);
#endif
}
@@ -158,12 +159,20 @@ void HELPER(stby_e_parallel)(CPUHPPAState *env, target_ulong addr,
target_ulong HELPER(probe_r)(target_ulong addr)
{
+#ifdef CONFIG_USER_ONLY
return page_check_range(addr, 1, PAGE_READ);
+#else
+ return 1; /* FIXME */
+#endif
}
target_ulong HELPER(probe_w)(target_ulong addr)
{
+#ifdef CONFIG_USER_ONLY
return page_check_range(addr, 1, PAGE_WRITE);
+#else
+ return 1; /* FIXME */
+#endif
}
void HELPER(loaded_fr0)(CPUHPPAState *env)
new file mode 100644
@@ -0,0 +1 @@
+obj-y += machine.o
@@ -1 +1 @@
-obj-y += translate.o helper.o cpu.o op_helper.o gdbstub.o
+obj-y += translate.o helper.o cpu.o op_helper.o gdbstub.o mem_helper.o