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Merge pull request #12259 from jbeich/freebsd-mmap
host_memory: unbreak build on FreeBSD x86_64
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commit
7fb6fbcd87
1 changed files with 15 additions and 13 deletions
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@ -25,6 +25,10 @@
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#include <unistd.h>
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#include <unistd.h>
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#include "common/scope_exit.h"
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#include "common/scope_exit.h"
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#ifndef MAP_NORESERVE
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#define MAP_NORESERVE 0
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#endif
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#endif // ^^^ Linux ^^^
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#endif // ^^^ Linux ^^^
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#include <mutex>
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#include <mutex>
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@ -404,6 +408,16 @@ static void* ChooseVirtualBase(size_t virtual_size) {
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#else
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#else
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static void* ChooseVirtualBase(size_t virtual_size) {
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static void* ChooseVirtualBase(size_t virtual_size) {
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#if defined(__FreeBSD__)
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void* virtual_base =
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mmap(nullptr, virtual_size, PROT_READ | PROT_WRITE,
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MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE | MAP_ALIGNED_SUPER, -1, 0);
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if (virtual_base != MAP_FAILED) {
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return virtual_base;
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}
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#endif
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return mmap(nullptr, virtual_size, PROT_READ | PROT_WRITE,
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return mmap(nullptr, virtual_size, PROT_READ | PROT_WRITE,
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MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0);
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MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE, -1, 0);
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}
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}
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@ -459,24 +473,12 @@ public:
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}
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}
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// Virtual memory initialization
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// Virtual memory initialization
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#if defined(__FreeBSD__)
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virtual_base =
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static_cast<u8*>(mmap(nullptr, virtual_size, PROT_NONE,
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MAP_PRIVATE | MAP_ANONYMOUS | MAP_ALIGNED_SUPER, -1, 0));
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if (virtual_base == MAP_FAILED) {
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virtual_base = static_cast<u8*>(
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mmap(nullptr, virtual_size, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0));
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if (virtual_base == MAP_FAILED) {
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LOG_CRITICAL(HW_Memory, "mmap failed: {}", strerror(errno));
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throw std::bad_alloc{};
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}
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}
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#else
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virtual_base = virtual_map_base = static_cast<u8*>(ChooseVirtualBase(virtual_size));
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virtual_base = virtual_map_base = static_cast<u8*>(ChooseVirtualBase(virtual_size));
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if (virtual_base == MAP_FAILED) {
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if (virtual_base == MAP_FAILED) {
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LOG_CRITICAL(HW_Memory, "mmap failed: {}", strerror(errno));
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LOG_CRITICAL(HW_Memory, "mmap failed: {}", strerror(errno));
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throw std::bad_alloc{};
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throw std::bad_alloc{};
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}
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}
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#if defined(__linux__)
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madvise(virtual_base, virtual_size, MADV_HUGEPAGE);
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madvise(virtual_base, virtual_size, MADV_HUGEPAGE);
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#endif
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#endif
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