2d93203998
The compiler rightly complains when we build on 32 bit that casting uint64_t into a void is a bad idea. We are really dealing with a host pointer at this point so treat it as such. This does involve a uintptr_t cast of the result of the TLB addend as we know that has to point to the host memory. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20210709143005.1554-28-alex.bennee@linaro.org>
41 lines
974 B
C
41 lines
974 B
C
/*
|
|
* 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_ */
|