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-rw-r--r--include/qom/cpu.h36
1 files changed, 34 insertions, 2 deletions
diff --git a/include/qom/cpu.h b/include/qom/cpu.h
index ae1793219b..58605a5350 100644
--- a/include/qom/cpu.h
+++ b/include/qom/cpu.h
@@ -98,6 +98,10 @@ struct TranslationBlock;
* #TranslationBlock.
* @handle_mmu_fault: Callback for handling an MMU fault.
* @get_phys_page_debug: Callback for obtaining a physical address.
+ * @get_phys_page_attrs_debug: Callback for obtaining a physical address and the
+ * associated memory transaction attributes to use for the access.
+ * CPUs which use memory transaction attributes should implement this
+ * instead of get_phys_page_debug.
* @gdb_read_register: Callback for letting GDB read a register.
* @gdb_write_register: Callback for letting GDB write a register.
* @debug_excp_handler: Callback for handling debug exceptions.
@@ -152,6 +156,8 @@ typedef struct CPUClass {
int (*handle_mmu_fault)(CPUState *cpu, vaddr address, int rw,
int mmu_index);
hwaddr (*get_phys_page_debug)(CPUState *cpu, vaddr addr);
+ hwaddr (*get_phys_page_attrs_debug)(CPUState *cpu, vaddr addr,
+ MemTxAttrs *attrs);
int (*gdb_read_register)(CPUState *cpu, uint8_t *buf, int reg);
int (*gdb_write_register)(CPUState *cpu, uint8_t *buf, int reg);
void (*debug_excp_handler)(CPUState *cpu);
@@ -445,6 +451,32 @@ void cpu_dump_statistics(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf,
#ifndef CONFIG_USER_ONLY
/**
+ * cpu_get_phys_page_attrs_debug:
+ * @cpu: The CPU to obtain the physical page address for.
+ * @addr: The virtual address.
+ * @attrs: Updated on return with the memory transaction attributes to use
+ * for this access.
+ *
+ * Obtains the physical page corresponding to a virtual one, together
+ * with the corresponding memory transaction attributes to use for the access.
+ * Use it only for debugging because no protection checks are done.
+ *
+ * Returns: Corresponding physical page address or -1 if no page found.
+ */
+static inline hwaddr cpu_get_phys_page_attrs_debug(CPUState *cpu, vaddr addr,
+ MemTxAttrs *attrs)
+{
+ CPUClass *cc = CPU_GET_CLASS(cpu);
+
+ if (cc->get_phys_page_attrs_debug) {
+ return cc->get_phys_page_attrs_debug(cpu, addr, attrs);
+ }
+ /* Fallback for CPUs which don't implement the _attrs_ hook */
+ *attrs = MEMTXATTRS_UNSPECIFIED;
+ return cc->get_phys_page_debug(cpu, addr);
+}
+
+/**
* cpu_get_phys_page_debug:
* @cpu: The CPU to obtain the physical page address for.
* @addr: The virtual address.
@@ -456,9 +488,9 @@ void cpu_dump_statistics(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf,
*/
static inline hwaddr cpu_get_phys_page_debug(CPUState *cpu, vaddr addr)
{
- CPUClass *cc = CPU_GET_CLASS(cpu);
+ MemTxAttrs attrs = {};
- return cc->get_phys_page_debug(cpu, addr);
+ return cpu_get_phys_page_attrs_debug(cpu, addr, &attrs);
}
#endif