aboutsummaryrefslogtreecommitdiff
path: root/include/accel/tcg/cpu-ops.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/accel/tcg/cpu-ops.h')
-rw-r--r--include/accel/tcg/cpu-ops.h55
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 */