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Add SW64 base support (#382)
* Add SW64 base support * Add a few syscalls
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wannacu
GitHub
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@ -55,6 +55,7 @@ dkms.conf
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build/
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build*/
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.vscode
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.cache
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.gdb_history
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src/git_head.h
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backup/
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@ -21,6 +21,8 @@ option(USE_CCACHE "Set to ON to use ccache if present in the system" ${USE_CCACH
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option(HAVE_TRACE "Set to ON to have Trace ability (needs ZydisInfo library)" ${HAVE_TRACE})
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option(NOLOADADDR "Set to ON to avoid fixing the load address of Box64" OFF)
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option(NOGIT "Set to ON if not building from a git clone repo (like when building from a zip download from github)" ${NOGIT})
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option(SW64 "Set ON if targeting an SW64 based device" ${SW64})
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if(LARCH64)
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set(LD80BITS OFF CACHE BOOL "")
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set(NOALIGN OFF CACHE BOOL "")
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@ -49,9 +51,16 @@ endif()
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if(M1 OR LARCH64)
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set(PAGE16K ON CACHE BOOL "")
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endif()
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if(SW64)
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set(LD80BITS OFF CACHE BOOL "")
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set(NOALIGN OFF CACHE BOOL "")
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set(PAGE8K ON CACHE BOOL "")
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endif()
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option(LD80BITS "Set to ON if host device have 80bits long double (i.e. i386)" ${LD80BITS})
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option(NOALIGN "Set to ON if host device doesn't need re-align (i.e. i386)" ${NOALIGN})
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option(ARM_DYNAREC "Set to ON to use ARM Dynamic Recompilation" ${ARM_DYNAREC})
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option(PAGE8K "Set to ON if host device have PageSize of 8K (instead of 4K)" ${PAGE8K})
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option(PAGE16K "Set to ON if host device have PageSize of 16K (instead of 4K)" ${PAGE16K})
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option(PAGE64K "Set to ON if host device have PageSize of 64K (instead of 4K)" ${PAGE64K})
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option(STATICBUILD "Set to ON to have a static build (Warning, not working)" ${STATICBUILD})
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@ -130,10 +139,16 @@ elseif(LX2160A)
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add_definitions(-DLX2160A)
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add_definitions(-pipe -march=armv8-a+crypto+crc -mcpu=cortex-a72+crypto)
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set(CMAKE_ASM_FLAGS "-pipe -march=armv8-a+crypto+crc -mcpu=cortex-a72+crypto")
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elseif(SW64)
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add_definitions(-DSW64)
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elseif(ARM_DYNAREC)
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set(CMAKE_ASM_FLAGS "-pipe -march=armv8-a+crc+simd+crypto")
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endif()
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if(PAGE8K)
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add_definitions(-DPAGE8K)
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endif()
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if(PAGE16K)
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add_definitions(-DPAGE16K)
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endif()
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@ -51,6 +51,9 @@ static pthread_mutex_t mutex_prot;
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#elif defined(PAGE16K)
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#define MEMPROT_SHIFT 14
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#define MEMPROT_SHIFT2 (16+14)
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#elif defined(PAGE8K)
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#define MEMPROT_SHIFT 13
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#define MEMPROT_SHIFT2 (16+13)
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#else
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#define MEMPROT_SHIFT 12
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#define MEMPROT_SHIFT2 (16+12)
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@ -298,7 +298,7 @@ int LoadElfMemory(FILE* f, box64context_t* context, elfheader_t* head)
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void* p = (void*)-1;
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if(e->p_memsz==e->p_filesz && !(e->p_align&0xfff)) {
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printf_log(LOG_DEBUG, "MMap block #%zu @%p offset=%p (0x%zx/0x%zx, flags:0x%x)\n", i, dest, (void*)e->p_offset, e->p_filesz, e->p_memsz, e->p_flags);
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mmap(dest, e->p_filesz, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_FIXED | MAP_PRIVATE, fileno(f), e->p_offset);
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p = mmap(dest, e->p_filesz, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_FIXED | MAP_PRIVATE, fileno(f), e->p_offset);
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}
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if(p!=dest) {
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printf_log(LOG_DEBUG, "Loading block #%zu %p (0x%zx/0x%zx)\n",i, dest, e->p_filesz, e->p_memsz);
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@ -162,6 +162,7 @@ scwrap_t syscallwrap[] = {
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{ 213, __NR_epoll_create, 1},
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#endif
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{ 217, __NR_getdents64, 3},
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{ 218, __NR_set_tid_address, 1},
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{ 220, __NR_semtimedop, 4},
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{ 228, __NR_clock_gettime, 2},
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{ 229, __NR_clock_getres, 2},
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@ -180,6 +181,7 @@ scwrap_t syscallwrap[] = {
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{ 257, __NR_openat, 4},
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{ 270, __NR_pselect6, 6},
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{ 272, __NR_unshare, 1},
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{ 273, __NR_set_robust_list, 2},
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{ 274, __NR_get_robust_list, 3},
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{ 281, __NR_epoll_pwait, 6},
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#ifdef _NR_eventfd
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@ -191,6 +193,7 @@ scwrap_t syscallwrap[] = {
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{ 293, __NR_pipe2, 2},
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{ 294, __NR_inotify_init1, 1},
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{ 298, __NR_perf_event_open, 5},
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{ 302, __NR_prlimit64, 4},
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{ 309, __NR_getcpu, 3}, // need wrapping?
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{ 315, __NR_sched_getattr, 4},
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{ 317, __NR_seccomp, 3},
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@ -514,6 +517,13 @@ void EXPORT x64Syscall(x64emu_t *emu)
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R_EAX = (int)syscall(__NR_inotify_init1, 0);
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break;
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#endif
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case 262:
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R_EAX = (uint64_t)(int64_t)my_fstatat(emu, (int)R_RDI, (char*)R_RSI, (void*)R_RDX, (int)R_R10d);
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break;
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case 334: // It is helpeful to run static binary
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R_RAX = -1;
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errno = ENOSYS;
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break;
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#ifndef __NR_fchmodat4
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case 434:
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*(int64_t*)R_RAX = fchmodat((int)R_EDI, (void*)R_RSI, (mode_t)R_RDX, (int)R_R10d);
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@ -717,6 +727,8 @@ uintptr_t EXPORT my_syscall(x64emu_t *emu)
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case 253:
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return (int)syscall(__NR_inotify_init1, 0);
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#endif
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case 262:
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return (uint64_t)(int64_t)my_fstatat(emu, (int)R_RSI, (char*)R_RDX, (void*)R_RCX, (int)R_R8d);
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#ifndef __NR_fchmodat4
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case 434:
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return (int)fchmodat((int)R_ESI, (void*)R_RDX, (mode_t)R_RCX, (int)R_R8d);
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@ -92,6 +92,43 @@ typedef struct va_list {
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memcpy(&p[6], emu->xmm, 8*16); \
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}
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#elif defined(__sw_64__) /* or Alpha */
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/*
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typdef struct {
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char* __base;
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int __offset;
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}va_list;
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*/
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// the follow three macro is not fully compatiable with SW64/Alpha
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// so don't expect va function works well.
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#define CREATE_SYSV_VALIST(A) \
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va_list sysv_varargs; \
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sysv_varargs.__offset=0; \
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sysv_varargs.__base=(A)
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#define CREATE_VALIST_FROM_VALIST(VA, SCRATCH) \
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va_list sysv_varargs; \
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{ \
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uintptr_t *p = (uintptr_t*)(SCRATCH); \
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int n = (X64_VA_MAX_REG - (VA)->gp_offset)/8; \
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if(n) memcpy(&p[0], (VA)->reg_save_area, n*8); \
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memcpy(&p[n], (VA)->overflow_arg_area, 100*8); \
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sysv_varargs.__offset = (VA)->gp_offset; \
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sysv_varargs.__base = (char*)p; \
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}
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#define CREATE_VALIST_FROM_VAARG(STACK, SCRATCH, N) \
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va_list sysv_varargs; \
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{ \
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uintptr_t *p = (uintptr_t*)(SCRATCH); \
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p[0]=R_RDI; p[1]=R_RSI; p[2]=R_RDX; \
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p[3]=R_RCX; p[4]=R_R8; p[5]=R_R9; \
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memcpy(&p[8+N], STACK, 100*8 - (8+N)*8); \
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sysv_varargs.__offset = N*8; \
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sysv_varargs.__base = (char*)p; \
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}
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#elif defined(__loongarch64) || defined(__powerpc64__) || defined(__riscv)
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#define CREATE_SYSV_VALIST(A) \
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va_list sysv_varargs = (va_list)A
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@ -776,6 +776,8 @@ void my_box64signalhandler(int32_t sig, siginfo_t* info, void * ucntx)
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void * pc = (void*)p->uc_mcontext.gp_regs[PT_NIP];
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#elif defined(LA464)
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void * pc = (void*)p->uc_mcontext.__pc;
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#elif defined(SW64)
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void * pc = (void*)p->uc_mcontext.sc_pc;
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#else
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void * pc = NULL; // unknow arch...
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#warning Unhandled architecture
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