diff options
| -rw-r--r-- | include/qom/cpu.h | 36 |
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 |