mirror of
https://github.com/ptitSeb/box64.git
synced 2024-11-27 11:54:29 +08:00
b5105a1e57
* Improve the ReserveHigMemory helper function * [BOX32] Added some wrapping infrastructure * [BOX32] More wrapped 32bits lib infrastructure * [BOX32] Added callback and tls 32bits handling * [BOX32] Added more 32bits, around wrappers and elfs * [BOX32] Added the 32bits version of myalign * [BOX32] More wrapped libs and 32bits fixes and imrpovments * [BOX32] Added some 32bits tests * [BOX32] Try to enable some Box32 build and test on the CI * [BOX32] Disable Box32 testing on CI platform that use qemu * [BOX32] Another attempt to disable Box32 testing on CI platform that use qemu * [BOX32] Small fix for another attempt to disable Box32 testing on CI platform that use qemu * [BOX32] Yet another fix for another attempt to disable Box32 testing on CI platform that use qemu * [BOX32] Fixed a typo in CI script * [BOX32] Better scratch alighnment and enabled more tests * [BOX32] Added (partial) wrapped 32bits librt * [BOX32] Added mention of Box32 in README * [BOX32] Added phtread handling, and numerous fixes to 32bits handling. [ARM64_DYNAREC] Fixed access to segment with negative offset * [BOX32] Added system libs and cpp testing, plus some more fixes * [BOX32] Fix previous commit * [BOX32] Better stack adjustment for 32bits processes * [BOX32] Added getenv wrapped 32bits function and friends * [BOX32] Don't look for box86 for a Box32 build * [BOX32] Don't do 32bits cppThreads test for now on CI * [BOX32] Enabled a few more 32bits tests * [BOX32] For ld_lib_path for both CppThreads tests * [BOX32] [ANDROID] Some Fixes for Android Build * [BOX32] Still need to disable cppThread_32bits test on CI for some reason * [BOX32] [ANDROID] Don't show PreInit Array Warning (#1751) * [BOX32] [ANDROID] One More Fix for Android Build That I forgotten to … (#1752) * [BOX32] [ANDROID] One More Fix for Android Build That I forgotten to push before * [BOX32] [ANDROID] Try to Create __libc_init * [BOX32] [ANDROID] Try to disable NEEDED_LIBS for now (libdl is not wrapped) * [BOX32] Updated generated files * [BOX32] Added 32bits context functions * [BOX32] Added 32bits signal handling * [BOX32] Added some missing 32bits elfloader functions * [BOX32] Fix build on x86_64 machine * [BOX32] Better fix for x86_64 build * [BOX32] Actually added missing libs, and re-enabled cppThreads_32bits test * [BOX32] Added wrapped 32bits libdl * [BOX32] Try to re-enabled Box32 test on CI for ARM64 builds * [BOX32] fine-tuning Box32 test on CI for ARM64 builds * [BOX32] More fine-tuning to Box32 test on CI for ARM64 builds * [BOX32] Enabled Box32 test on CI for LA64 and RV64 builds too * [BOX32] re-Disabled Box32 test on CI for LA64 and RV64 builds, not working for now * [BOX32] Temporarily disabled cppThreads_32bits test on CI --------- Co-authored-by: KreitinnSoftware <pablopro5051@gmail.com> Co-authored-by: KreitinnSoftware <80591934+KreitinnSoftware@users.noreply.github.com>
49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
#include <string.h>
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#include <stdio.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <math.h>
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#if defined(__x86_64__)
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#error Nope!
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#else
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__attribute__((naked)) uint64_t _idiv_(uint32_t a, uint32_t b)
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{
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asm volatile (
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"xor %%eax, %%eax\n"
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"mov 4(%%esp), %%edx\n"
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"mov 8(%%esp), %%ecx\n"
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"shrd $0x10, %%edx, %%eax\n"
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"sar $0x10, %%edx\n"
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"idiv %%ecx\n"
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"ret"
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:::);
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}
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#endif
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int main(int argc, const char** argv)
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{
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uint32_t tests[][2] = {
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{0x000002d0, 0x00000500},
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{0xfffffa5d, 0x000186a0},
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{0x00001701, 0x000186a0},
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{0xffff9a19, 0x000186a0},
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{0xffffe7f3, 0x000186a0},
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{0x00015840, 0x000186a0},
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{0xff451330, 0x000186a0},
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{0xffff626a, 0x000186a0},
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{0x00009120, 0x000186a0},
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};
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int n = sizeof(tests)/sizeof(tests[0]);
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uint64_t res;
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for(int i=0; i<n; ++i) {
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printf("SDHLD/SAR/IDIV 0x%x 0x%x ", tests[i][0], tests[i][1]);
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res = _idiv_(tests[i][0], tests[i][1]);
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uint32_t divi = res & 0xffffffffLL;
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uint32_t modo = res >> 32;
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printf("=> 0x%x / 0x%x (%lld/%d => %d + %d)\n", modo, divi, ((int64_t)tests[i][0])<<16, tests[i][1], divi, modo);
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}
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printf("\nDone\n");
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}
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