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target/mips: implement QMP query-cpu-definitions command 

This patch enables QMP-based querying of the available CPU types for
MIPS and MIPS64 platforms.

Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Pavel Dovgalyuk 2019-02-19 18:02:55 +01:00 committed by Aleksandar Markovic
parent a4719aa85e
commit 535db74413
2 changed files with 35 additions and 2 deletions
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4
qapi/target.json
View File

@ -499,7 +499,7 @@
'static': 'bool',
'*unavailable-features': [ 'str' ],
'typename': 'str' },
'if': 'defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_I386) || defined(TARGET_S390X)' }
'if': 'defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_I386) || defined(TARGET_S390X) || defined(TARGET_MIPS)' }
##
# @query-cpu-definitions:
@ -511,4 +511,4 @@
# Since: 1.2.0
##
{ 'command': 'query-cpu-definitions', 'returns': ['CpuDefinitionInfo'],
'if': 'defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_I386) || defined(TARGET_S390X)' }
'if': 'defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_I386) || defined(TARGET_S390X) || defined(TARGET_MIPS)' }

33
target/mips/helper.c
View File

@ -24,6 +24,7 @@
#include "exec/cpu_ldst.h"
#include "exec/log.h"
#include "hw/mips/cpudevs.h"
#include "qapi/qapi-commands-target.h"
enum {
TLBRET_XI = -6,
@ -1470,3 +1471,35 @@ void QEMU_NORETURN do_raise_exception_err(CPUMIPSState *env,
cpu_loop_exit_restore(cs, pc);
}
static void mips_cpu_add_definition(gpointer data, gpointer user_data)
{
ObjectClass *oc = data;
CpuDefinitionInfoList **cpu_list = user_data;
CpuDefinitionInfoList *entry;
CpuDefinitionInfo *info;
const char *typename;
typename = object_class_get_name(oc);
info = g_malloc0(sizeof(*info));
info->name = g_strndup(typename,
strlen(typename) - strlen("-" TYPE_MIPS_CPU));
info->q_typename = g_strdup(typename);
entry = g_malloc0(sizeof(*entry));
entry->value = info;
entry->next = *cpu_list;
*cpu_list = entry;
}
CpuDefinitionInfoList *qmp_query_cpu_definitions(Error **errp)
{
CpuDefinitionInfoList *cpu_list = NULL;
GSList *list;
list = object_class_get_list(TYPE_MIPS_CPU, false);
g_slist_foreach(list, mips_cpu_add_definition, &cpu_list);
g_slist_free(list);
return cpu_list;
}