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target/arm: Use GDBFeature for dynamic XML

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In preparation for a change to use GDBFeature as a parameter of
gdb_register_coprocessor(), convert the internal representation of
dynamic feature from plain XML to GDBFeature.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231213-gdb-v17-1-777047380591@daynix.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240227144335.1196131-6-alex.bennee@linaro.org>
This commit is contained in:
Akihiko Odaki 2024-02-27 14:43:11 +00:00 • committed by Alex Bennée
parent 8467ac75b3
commit 690bd97b5b
4 changed files with 122 additions and 136 deletions
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21
target/arm/cpu.h
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@ -25,6 +25,7 @@
#include "hw/registerfields.h"
#include "cpu-qom.h"
#include "exec/cpu-defs.h"
#include "exec/gdbstub.h"
#include "qapi/qapi-types-common.h"
#include "target/arm/multiprocessing.h"
#include "target/arm/gtimer.h"
@ -117,23 +118,21 @@
*/
/**
* DynamicGDBXMLInfo:
* @desc: Contains the XML descriptions.
* @num: Number of the registers in this XML seen by GDB.
* DynamicGDBFeatureInfo:
* @desc: Contains the feature descriptions.
* @data: A union with data specific to the set of registers
* @cpregs_keys: Array that contains the corresponding Key of
* a given cpreg with the same order of the cpreg
* in the XML description.
*/
typedef struct DynamicGDBXMLInfo {
char *desc;
int num;
typedef struct DynamicGDBFeatureInfo {
GDBFeature desc;
union {
struct {
uint32_t *keys;
} cpregs;
} data;
} DynamicGDBXMLInfo;
} DynamicGDBFeatureInfo;
/* CPU state for each instance of a generic timer (in cp15 c14) */
typedef struct ARMGenericTimer {
@ -855,10 +854,10 @@ struct ArchCPU {
uint64_t *cpreg_vmstate_values;
int32_t cpreg_vmstate_array_len;
DynamicGDBXMLInfo dyn_sysreg_xml;
DynamicGDBXMLInfo dyn_svereg_xml;
DynamicGDBXMLInfo dyn_m_systemreg_xml;
DynamicGDBXMLInfo dyn_m_secextreg_xml;
DynamicGDBFeatureInfo dyn_sysreg_feature;
DynamicGDBFeatureInfo dyn_svereg_feature;
DynamicGDBFeatureInfo dyn_m_systemreg_feature;
DynamicGDBFeatureInfo dyn_m_secextreg_feature;
/* Timers used by the generic (architected) timer */
QEMUTimer *gt_timer[NUM_GTIMERS];