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authorMarkus Armbruster <armbru@redhat.com>2021-05-03 10:40:33 +0200
committerMarkus Armbruster <armbru@redhat.com>2021-05-12 18:20:25 +0200
commit9d49bcf6992a2ba77f79d2512e23b8ca26d72f6a (patch)
tree0d3adfe1d417577ef0c78894d47a4956f318cb2f /target/lm32/cpu.c
parent09ec85176e4095be15f233ebc870d5680123f024 (diff)
Drop the deprecated lm32 target
Target lm32 was deprecated in commit d8498005122, v5.2.0. See there for rationale. Some of its code lives on in device models derived from milkymist ones: hw/char/digic-uart.c and hw/display/bcm2835_fb.c. Cc: Michael Walle <michael@walle.cc> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20210503084034.3804963-2-armbru@redhat.com> Acked-by: Michael Walle <michael@walle.cc> [Trivial conflicts resolved, reST markup fixed]
Diffstat (limited to 'target/lm32/cpu.c')
-rw-r--r--target/lm32/cpu.c274
1 files changed, 0 insertions, 274 deletions
diff --git a/target/lm32/cpu.c b/target/lm32/cpu.c
deleted file mode 100644
index c23d72874c..0000000000
--- a/target/lm32/cpu.c
+++ /dev/null
@@ -1,274 +0,0 @@
-/*
- * QEMU LatticeMico32 CPU
- *
- * Copyright (c) 2012 SUSE LINUX Products GmbH
- *
- * 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 2.1 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/lgpl-2.1.html>
- */
-
-#include "qemu/osdep.h"
-#include "qapi/error.h"
-#include "qemu/qemu-print.h"
-#include "cpu.h"
-
-
-static void lm32_cpu_set_pc(CPUState *cs, vaddr value)
-{
- LM32CPU *cpu = LM32_CPU(cs);
-
- cpu->env.pc = value;
-}
-
-static void lm32_cpu_list_entry(gpointer data, gpointer user_data)
-{
- ObjectClass *oc = data;
- const char *typename = object_class_get_name(oc);
- char *name;
-
- name = g_strndup(typename, strlen(typename) - strlen(LM32_CPU_TYPE_SUFFIX));
- qemu_printf(" %s\n", name);
- g_free(name);
-}
-
-
-void lm32_cpu_list(void)
-{
- GSList *list;
-
- list = object_class_get_list_sorted(TYPE_LM32_CPU, false);
- qemu_printf("Available CPUs:\n");
- g_slist_foreach(list, lm32_cpu_list_entry, NULL);
- g_slist_free(list);
-}
-
-static void lm32_cpu_init_cfg_reg(LM32CPU *cpu)
-{
- CPULM32State *env = &cpu->env;
- uint32_t cfg = 0;
-
- if (cpu->features & LM32_FEATURE_MULTIPLY) {
- cfg |= CFG_M;
- }
-
- if (cpu->features & LM32_FEATURE_DIVIDE) {
- cfg |= CFG_D;
- }
-
- if (cpu->features & LM32_FEATURE_SHIFT) {
- cfg |= CFG_S;
- }
-
- if (cpu->features & LM32_FEATURE_SIGN_EXTEND) {
- cfg |= CFG_X;
- }
-
- if (cpu->features & LM32_FEATURE_I_CACHE) {
- cfg |= CFG_IC;
- }
-
- if (cpu->features & LM32_FEATURE_D_CACHE) {
- cfg |= CFG_DC;
- }
-
- if (cpu->features & LM32_FEATURE_CYCLE_COUNT) {
- cfg |= CFG_CC;
- }
-
- cfg |= (cpu->num_interrupts << CFG_INT_SHIFT);
- cfg |= (cpu->num_breakpoints << CFG_BP_SHIFT);
- cfg |= (cpu->num_watchpoints << CFG_WP_SHIFT);
- cfg |= (cpu->revision << CFG_REV_SHIFT);
-
- env->cfg = cfg;
-}
-
-static bool lm32_cpu_has_work(CPUState *cs)
-{
- return cs->interrupt_request & CPU_INTERRUPT_HARD;
-}
-
-static void lm32_cpu_reset(DeviceState *dev)
-{
- CPUState *s = CPU(dev);
- LM32CPU *cpu = LM32_CPU(s);
- LM32CPUClass *lcc = LM32_CPU_GET_CLASS(cpu);
- CPULM32State *env = &cpu->env;
-
- lcc->parent_reset(dev);
-
- /* reset cpu state */
- memset(env, 0, offsetof(CPULM32State, end_reset_fields));
-
- lm32_cpu_init_cfg_reg(cpu);
-}
-
-static void lm32_cpu_disas_set_info(CPUState *cpu, disassemble_info *info)
-{
- info->mach = bfd_mach_lm32;
- info->print_insn = print_insn_lm32;
-}
-
-static void lm32_cpu_realizefn(DeviceState *dev, Error **errp)
-{
- CPUState *cs = CPU(dev);
- LM32CPUClass *lcc = LM32_CPU_GET_CLASS(dev);
- Error *local_err = NULL;
-
- cpu_exec_realizefn(cs, &local_err);
- if (local_err != NULL) {
- error_propagate(errp, local_err);
- return;
- }
-
- cpu_reset(cs);
-
- qemu_init_vcpu(cs);
-
- lcc->parent_realize(dev, errp);
-}
-
-static void lm32_cpu_initfn(Object *obj)
-{
- LM32CPU *cpu = LM32_CPU(obj);
- CPULM32State *env = &cpu->env;
-
- cpu_set_cpustate_pointers(cpu);
-
- env->flags = 0;
-}
-
-static void lm32_basic_cpu_initfn(Object *obj)
-{
- LM32CPU *cpu = LM32_CPU(obj);
-
- cpu->revision = 3;
- cpu->num_interrupts = 32;
- cpu->num_breakpoints = 4;
- cpu->num_watchpoints = 4;
- cpu->features = LM32_FEATURE_SHIFT
- | LM32_FEATURE_SIGN_EXTEND
- | LM32_FEATURE_CYCLE_COUNT;
-}
-
-static void lm32_standard_cpu_initfn(Object *obj)
-{
- LM32CPU *cpu = LM32_CPU(obj);
-
- cpu->revision = 3;
- cpu->num_interrupts = 32;
- cpu->num_breakpoints = 4;
- cpu->num_watchpoints = 4;
- cpu->features = LM32_FEATURE_MULTIPLY
- | LM32_FEATURE_DIVIDE
- | LM32_FEATURE_SHIFT
- | LM32_FEATURE_SIGN_EXTEND
- | LM32_FEATURE_I_CACHE
- | LM32_FEATURE_CYCLE_COUNT;
-}
-
-static void lm32_full_cpu_initfn(Object *obj)
-{
- LM32CPU *cpu = LM32_CPU(obj);
-
- cpu->revision = 3;
- cpu->num_interrupts = 32;
- cpu->num_breakpoints = 4;
- cpu->num_watchpoints = 4;
- cpu->features = LM32_FEATURE_MULTIPLY
- | LM32_FEATURE_DIVIDE
- | LM32_FEATURE_SHIFT
- | LM32_FEATURE_SIGN_EXTEND
- | LM32_FEATURE_I_CACHE
- | LM32_FEATURE_D_CACHE
- | LM32_FEATURE_CYCLE_COUNT;
-}
-
-static ObjectClass *lm32_cpu_class_by_name(const char *cpu_model)
-{
- ObjectClass *oc;
- char *typename;
-
- typename = g_strdup_printf(LM32_CPU_TYPE_NAME("%s"), cpu_model);
- oc = object_class_by_name(typename);
- g_free(typename);
- if (oc != NULL && (!object_class_dynamic_cast(oc, TYPE_LM32_CPU) ||
- object_class_is_abstract(oc))) {
- oc = NULL;
- }
- return oc;
-}
-
-#include "hw/core/tcg-cpu-ops.h"
-
-static struct TCGCPUOps lm32_tcg_ops = {
- .initialize = lm32_translate_init,
- .cpu_exec_interrupt = lm32_cpu_exec_interrupt,
- .tlb_fill = lm32_cpu_tlb_fill,
- .debug_excp_handler = lm32_debug_excp_handler,
-
-#ifndef CONFIG_USER_ONLY
- .do_interrupt = lm32_cpu_do_interrupt,
-#endif /* !CONFIG_USER_ONLY */
-};
-
-static void lm32_cpu_class_init(ObjectClass *oc, void *data)
-{
- LM32CPUClass *lcc = LM32_CPU_CLASS(oc);
- CPUClass *cc = CPU_CLASS(oc);
- DeviceClass *dc = DEVICE_CLASS(oc);
-
- device_class_set_parent_realize(dc, lm32_cpu_realizefn,
- &lcc->parent_realize);
- device_class_set_parent_reset(dc, lm32_cpu_reset, &lcc->parent_reset);
-
- cc->class_by_name = lm32_cpu_class_by_name;
- cc->has_work = lm32_cpu_has_work;
- cc->dump_state = lm32_cpu_dump_state;
- cc->set_pc = lm32_cpu_set_pc;
- cc->gdb_read_register = lm32_cpu_gdb_read_register;
- cc->gdb_write_register = lm32_cpu_gdb_write_register;
-#ifndef CONFIG_USER_ONLY
- cc->get_phys_page_debug = lm32_cpu_get_phys_page_debug;
- cc->vmsd = &vmstate_lm32_cpu;
-#endif
- cc->gdb_num_core_regs = 32 + 7;
- cc->gdb_stop_before_watchpoint = true;
- cc->disas_set_info = lm32_cpu_disas_set_info;
- cc->tcg_ops = &lm32_tcg_ops;
-}
-
-#define DEFINE_LM32_CPU_TYPE(cpu_model, initfn) \
- { \
- .parent = TYPE_LM32_CPU, \
- .name = LM32_CPU_TYPE_NAME(cpu_model), \
- .instance_init = initfn, \
- }
-
-static const TypeInfo lm32_cpus_type_infos[] = {
- { /* base class should be registered first */
- .name = TYPE_LM32_CPU,
- .parent = TYPE_CPU,
- .instance_size = sizeof(LM32CPU),
- .instance_init = lm32_cpu_initfn,
- .abstract = true,
- .class_size = sizeof(LM32CPUClass),
- .class_init = lm32_cpu_class_init,
- },
- DEFINE_LM32_CPU_TYPE("lm32-basic", lm32_basic_cpu_initfn),
- DEFINE_LM32_CPU_TYPE("lm32-standard", lm32_standard_cpu_initfn),
- DEFINE_LM32_CPU_TYPE("lm32-full", lm32_full_cpu_initfn),
-};
-
-DEFINE_TYPES(lm32_cpus_type_infos)