qemu-e2k/include/qemu/plugin-memory.h

41 lines
972 B
C
Raw Normal View History

/*
* Plugin Memory API
*
* Copyright (c) 2019 Linaro Ltd
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef PLUGIN_MEMORY_H
#define PLUGIN_MEMORY_H
struct qemu_plugin_hwaddr {
bool is_io;
bool is_store;
union {
struct {
MemoryRegionSection *section;
hwaddr offset;
} io;
struct {
void *hostaddr;
} ram;
} v;
};
/**
* tlb_plugin_lookup: query last TLB lookup
* @cpu: cpu environment
*
* This function can be used directly after a memory operation to
* query information about the access. It is used by the plugin
* infrastructure to expose more information about the address.
*
* It would only fail if not called from an instrumented memory access
* which would be an abuse of the API.
*/
bool tlb_plugin_lookup(CPUState *cpu, target_ulong addr, int mmu_idx,
bool is_store, struct qemu_plugin_hwaddr *data);
#endif /* PLUGIN_MEMORY_H */