diff options
Diffstat (limited to 'include/accel/tcg/cpu-ops.h')
-rw-r--r-- | include/accel/tcg/cpu-ops.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/include/accel/tcg/cpu-ops.h b/include/accel/tcg/cpu-ops.h index f60e530..dd8ea30 100644 --- a/include/accel/tcg/cpu-ops.h +++ b/include/accel/tcg/cpu-ops.h @@ -16,9 +16,33 @@ #include "exec/memop.h" #include "exec/mmu-access-type.h" #include "exec/vaddr.h" +#include "accel/tcg/tb-cpu-state.h" +#include "tcg/tcg-mo.h" struct TCGCPUOps { /** + * mttcg_supported: multi-threaded TCG is supported + * + * Target (TCG frontend) supports: + * - atomic instructions + * - memory ordering primitives (barriers) + */ + bool mttcg_supported; + + /** + * @precise_smc: Stores which modify code within the current TB force + * the TB to exit; the next executed instruction will see + * the result of the store. + */ + bool precise_smc; + + /** + * @guest_default_memory_order: default barrier that is required + * for the guest memory ordering. + */ + TCGBar guest_default_memory_order; + + /** * @initialize: Initialize TCG state * * Called when the first CPU is realized. @@ -38,6 +62,12 @@ struct TCGCPUOps { void (*translate_code)(CPUState *cpu, TranslationBlock *tb, int *max_insns, vaddr pc, void *host_pc); /** + * @get_tb_cpu_state: Extract CPU state for a TCG #TranslationBlock + * + * Fill in all data required to select or compile a TranslationBlock. + */ + TCGTBCPUState (*get_tb_cpu_state)(CPUState *cs); + /** * @synchronize_from_tb: Synchronize state from a TCG #TranslationBlock * * This is called when we abandon execution of a TB before starting it, @@ -67,6 +97,9 @@ struct TCGCPUOps { /** @debug_excp_handler: Callback for handling debug exceptions */ void (*debug_excp_handler)(CPUState *cpu); + /** @mmu_index: Callback for choosing softmmu mmu index */ + int (*mmu_index)(CPUState *cpu, bool ifetch); + #ifdef CONFIG_USER_ONLY /** * @fake_user_interrupt: Callback for 'fake exception' handling. @@ -124,11 +157,20 @@ struct TCGCPUOps { */ void (*record_sigbus)(CPUState *cpu, vaddr addr, MMUAccessType access_type, uintptr_t ra); + + /** + * untagged_addr: Remove an ignored tag from an address + * @cpu: cpu context + * @addr: tagged guest address + */ + vaddr (*untagged_addr)(CPUState *cs, vaddr addr); #else /** @do_interrupt: Callback for interrupt handling. */ void (*do_interrupt)(CPUState *cpu); /** @cpu_exec_interrupt: Callback for processing interrupts in cpu_exec */ bool (*cpu_exec_interrupt)(CPUState *cpu, int interrupt_request); + /** @cpu_exec_reset: Callback for reset in cpu_exec. */ + void (*cpu_exec_reset)(CPUState *cpu); /** * @cpu_exec_halt: Callback for handling halt in cpu_exec. * @@ -181,6 +223,13 @@ struct TCGCPUOps { MMUAccessType access_type, int mmu_idx, bool probe, uintptr_t retaddr); /** + * @pointer_wrap: + * + * We have incremented @base to @result, resulting in a page change. + * For the current cpu state, adjust @result for possible overflow. + */ + vaddr (*pointer_wrap)(CPUState *cpu, int mmu_idx, vaddr result, vaddr base); + /** * @do_transaction_failed: Callback for handling failed memory transactions * (ie bus faults or external aborts; not MMU faults) */ @@ -273,6 +322,12 @@ void cpu_check_watchpoint(CPUState *cpu, vaddr addr, vaddr len, */ int cpu_watchpoint_address_matches(CPUState *cpu, vaddr addr, vaddr len); +/* + * Common pointer_wrap implementations. + */ +vaddr cpu_pointer_wrap_notreached(CPUState *, int, vaddr, vaddr); +vaddr cpu_pointer_wrap_uint32(CPUState *, int, vaddr, vaddr); + #endif #endif /* TCG_CPU_OPS_H */ |