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target/arm: generate xml description of our SVE registers

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We also expose a the helpers to read/write the the registers.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>

Message-Id: <20200316172155.971-19-alex.bennee@linaro.org>
This commit is contained in:
Alex Bennée 2020-03-16 17:21:45 +00:00
parent 7b6a2198e7
commit d12379c598
3 changed files with 261 additions and 5 deletions
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7
target/arm/cpu.h
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@ -756,6 +756,7 @@ struct ARMCPU {
int32_t cpreg_vmstate_array_len;
DynamicGDBXMLInfo dyn_sysreg_xml;
DynamicGDBXMLInfo dyn_svereg_xml;
/* Timers used by the generic (architected) timer */
QEMUTimer *gt_timer[NUM_GTIMERS];
@ -977,10 +978,12 @@ hwaddr arm_cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr,
int arm_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg);
int arm_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
/* Dynamically generates for gdb stub an XML description of the sysregs from
* the cp_regs hashtable. Returns the registered sysregs number.
/*
* Helpers to dynamically generates XML descriptions of the sysregs
* and SVE registers. Returns the number of registers in each set.
*/
int arm_gen_dynamic_sysreg_xml(CPUState *cpu, int base_reg);
int arm_gen_dynamic_svereg_xml(CPUState *cpu, int base_reg);
/* Returns the dynamically generated XML for the gdb stub.
* Returns a pointer to the XML contents for the specified XML file or NULL