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exec: Expose 'target_page.h' API to user emulation

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User-only objects might benefit from the "exec/target_page.h"
API, which allows to build some objects once for all targets.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20231211212003.21686-3-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2023-12-07 10:41:27 +01:00
parent 8501048b50
commit 75bbe6a4d2
5 changed files with 45 additions and 43 deletions
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30
system/physmem.c
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@ -3540,36 +3540,6 @@ int cpu_memory_rw_debug(CPUState *cpu, vaddr addr,
return 0;
}
/*
* Allows code that needs to deal with migration bitmaps etc to still be built
* target independent.
*/
size_t qemu_target_page_size(void)
{
return TARGET_PAGE_SIZE;
}
int qemu_target_page_bits(void)
{
return TARGET_PAGE_BITS;
}
int qemu_target_page_bits_min(void)
{
return TARGET_PAGE_BITS_MIN;
}
/* Convert target pages to MiB (2**20). */
size_t qemu_target_pages_to_MiB(size_t pages)
{
int page_bits = TARGET_PAGE_BITS;
/* So far, the largest (non-huge) page size is 64k, i.e. 16 bits. */
g_assert(page_bits < 20);
return pages >> (20 - page_bits);
}
bool cpu_physical_memory_is_io(hwaddr phys_addr)
{
MemoryRegion*mr;