/* $NetBSD: tcc.c,v 1.1.1.2 2018/08/16 18:17:47 jmcneill Exp $ */ /* * Test if our calling convention gymnastics actually work */ #include #include #if 0 extern void dump_stack(void); asm( ".globl dump_stack\n" "dump_stack:\n" " movq %rsp, %rdi\n" " jmp *dump_stack_helper@GOTPCREL(%rip)\n" ".size dump_stack, .-dump_stack"); void dump_stack_helper(uint64_t rsp_val) { uint64_t *rsp = (uint64_t *)rsp_val; int x; Print(L"%%rsp: 0x%08x%08x stack:\r\n", (rsp_val & 0xffffffff00000000) >>32, rsp_val & 0xffffffff); for (x = 0; x < 8; x++) { Print(L"%08x: ", ((uint64_t)rsp) & 0xffffffff); Print(L"%016x ", *rsp++); Print(L"%016x ", *rsp++); Print(L"%016x ", *rsp++); Print(L"%016x\r\n", *rsp++); } } #endif EFI_STATUS EFI_FUNCTION test_failure_callback(void) { return EFI_UNSUPPORTED; } EFI_STATUS test_failure(void) { return uefi_call_wrapper(test_failure_callback, 0); } EFI_STATUS EFI_FUNCTION test_call0_callback(void) { return EFI_SUCCESS; } EFI_STATUS test_call0(void) { return uefi_call_wrapper(test_call0_callback, 0); } EFI_STATUS EFI_FUNCTION test_call1_callback(UINT32 a) { if (a != 0x12345678) { return EFI_LOAD_ERROR; } return EFI_SUCCESS; } EFI_STATUS test_call1(void) { return uefi_call_wrapper(test_call1_callback, 1,0x12345678); } EFI_STATUS EFI_FUNCTION test_call2_callback(UINT32 a, UINT32 b) { if (a != 0x12345678) { return EFI_LOAD_ERROR; } if (b != 0x23456789) { return EFI_INVALID_PARAMETER; } return EFI_SUCCESS; } EFI_STATUS test_call2(void) { return uefi_call_wrapper(test_call2_callback, 2, 0x12345678, 0x23456789); } EFI_STATUS EFI_FUNCTION test_call3_callback(UINT32 a, UINT32 b, UINT32 c) { if (a != 0x12345678) return EFI_LOAD_ERROR; if (b != 0x23456789) return EFI_INVALID_PARAMETER; if (c != 0x3456789a) return EFI_UNSUPPORTED; return EFI_SUCCESS; } EFI_STATUS test_call3(void) { return uefi_call_wrapper(test_call3_callback, 3, 0x12345678, 0x23456789, 0x3456789a); } EFI_STATUS EFI_FUNCTION test_call4_callback(UINT32 a, UINT32 b, UINT32 c, UINT32 d) { if (a != 0x12345678) return EFI_LOAD_ERROR; if (b != 0x23456789) return EFI_INVALID_PARAMETER; if (c != 0x3456789a) return EFI_UNSUPPORTED; if (d != 0x456789ab) return EFI_BAD_BUFFER_SIZE; return EFI_SUCCESS; } EFI_STATUS test_call4(void) { return uefi_call_wrapper(test_call4_callback, 4, 0x12345678, 0x23456789, 0x3456789a, 0x456789ab); } EFI_STATUS EFI_FUNCTION test_call5_callback(UINT32 a, UINT32 b, UINT32 c, UINT32 d, UINT32 e) { if (a != 0x12345678) return EFI_LOAD_ERROR; if (b != 0x23456789) return EFI_INVALID_PARAMETER; if (c != 0x3456789a) return EFI_UNSUPPORTED; if (d != 0x456789ab) return EFI_BAD_BUFFER_SIZE; if (e != 0x56789abc) return EFI_BUFFER_TOO_SMALL; return EFI_SUCCESS; } EFI_STATUS test_call5(void) { return uefi_call_wrapper(test_call5_callback, 5, 0x12345678, 0x23456789, 0x3456789a, 0x456789ab, 0x56789abc); } EFI_STATUS EFI_FUNCTION test_call6_callback(UINT32 a, UINT32 b, UINT32 c, UINT32 d, UINT32 e, UINT32 f) { if (a != 0x12345678) return EFI_LOAD_ERROR; if (b != 0x23456789) return EFI_INVALID_PARAMETER; if (c != 0x3456789a) return EFI_UNSUPPORTED; if (d != 0x456789ab) return EFI_BAD_BUFFER_SIZE; if (e != 0x56789abc) return EFI_BUFFER_TOO_SMALL; if (f != 0x6789abcd) return EFI_NOT_READY; return EFI_SUCCESS; } EFI_STATUS test_call6(void) { return uefi_call_wrapper(test_call6_callback, 6, 0x12345678, 0x23456789, 0x3456789a, 0x456789ab, 0x56789abc, 0x6789abcd); } EFI_STATUS EFI_FUNCTION test_call7_callback(UINT32 a, UINT32 b, UINT32 c, UINT32 d, UINT32 e, UINT32 f, UINT32 g) { if (a != 0x12345678) return EFI_LOAD_ERROR; if (b != 0x23456789) return EFI_INVALID_PARAMETER; if (c != 0x3456789a) return EFI_UNSUPPORTED; if (d != 0x456789ab) return EFI_BAD_BUFFER_SIZE; if (e != 0x56789abc) return EFI_BUFFER_TOO_SMALL; if (f != 0x6789abcd) return EFI_NOT_READY; if (g != 0x789abcde) return EFI_DEVICE_ERROR; return EFI_SUCCESS; } EFI_STATUS test_call7(void) { return uefi_call_wrapper(test_call7_callback, 7, 0x12345678, 0x23456789, 0x3456789a, 0x456789ab, 0x56789abc, 0x6789abcd, 0x789abcde); } EFI_STATUS EFI_FUNCTION test_call8_callback(UINT32 a, UINT32 b, UINT32 c, UINT32 d, UINT32 e, UINT32 f, UINT32 g, UINT32 h) { if (a != 0x12345678) return EFI_LOAD_ERROR; if (b != 0x23456789) return EFI_INVALID_PARAMETER; if (c != 0x3456789a) return EFI_UNSUPPORTED; if (d != 0x456789ab) return EFI_BAD_BUFFER_SIZE; if (e != 0x56789abc) return EFI_BUFFER_TOO_SMALL; if (f != 0x6789abcd) return EFI_NOT_READY; if (g != 0x789abcde) return EFI_DEVICE_ERROR; if (h != 0x89abcdef) return EFI_WRITE_PROTECTED; return EFI_SUCCESS; } EFI_STATUS test_call8(void) { return uefi_call_wrapper(test_call8_callback, 8, 0x12345678, 0x23456789, 0x3456789a, 0x456789ab, 0x56789abc, 0x6789abcd, 0x789abcde, 0x89abcdef); } EFI_STATUS EFI_FUNCTION test_call9_callback(UINT32 a, UINT32 b, UINT32 c, UINT32 d, UINT32 e, UINT32 f, UINT32 g, UINT32 h, UINT32 i) { if (a != 0x12345678) return EFI_LOAD_ERROR; if (b != 0x23456789) return EFI_INVALID_PARAMETER; if (c != 0x3456789a) return EFI_UNSUPPORTED; if (d != 0x456789ab) return EFI_BAD_BUFFER_SIZE; if (e != 0x56789abc) return EFI_BUFFER_TOO_SMALL; if (f != 0x6789abcd) return EFI_NOT_READY; if (g != 0x789abcde) return EFI_DEVICE_ERROR; if (h != 0x89abcdef) return EFI_WRITE_PROTECTED; if (i != 0x9abcdef0) return EFI_OUT_OF_RESOURCES; return EFI_SUCCESS; } EFI_STATUS test_call9(void) { return uefi_call_wrapper(test_call9_callback, 9, 0x12345678, 0x23456789, 0x3456789a, 0x456789ab, 0x56789abc, 0x6789abcd, 0x789abcde, 0x89abcdef, 0x9abcdef0); } extern EFI_STATUS test_call10(void); EFI_STATUS EFI_FUNCTION test_call10_callback(UINT32 a, UINT32 b, UINT32 c, UINT32 d, UINT32 e, UINT32 f, UINT32 g, UINT32 h, UINT32 i, UINT32 j) { if (a != 0x12345678) return EFI_LOAD_ERROR; if (b != 0x23456789) return EFI_INVALID_PARAMETER; if (c != 0x3456789a) return EFI_UNSUPPORTED; if (d != 0x456789ab) return EFI_BAD_BUFFER_SIZE; if (e != 0x56789abc) return EFI_BUFFER_TOO_SMALL; if (f != 0x6789abcd) return EFI_NOT_READY; if (g != 0x789abcde) return EFI_DEVICE_ERROR; if (h != 0x89abcdef) return EFI_WRITE_PROTECTED; if (i != 0x9abcdef0) return EFI_OUT_OF_RESOURCES; if (j != 0xabcdef01) return EFI_VOLUME_CORRUPTED; return EFI_SUCCESS; } EFI_STATUS test_call10(void) { return uefi_call_wrapper(test_call10_callback, 10, 0x12345678, 0x23456789, 0x3456789a, 0x456789ab, 0x56789abc, 0x6789abcd, 0x789abcde, 0x89abcdef, 0x9abcdef0, 0xabcdef01); } EFI_STATUS efi_main (EFI_HANDLE *image, EFI_SYSTEM_TABLE *systab) { EFI_STATUS rc = EFI_SUCCESS; InitializeLib(image, systab); PoolAllocationType = 2; /* klooj */ #ifdef __x86_64__ __asm__ volatile("out %0,%1" : : "a" ((uint8_t)0x14), "dN" (0x80)); #endif Print(L"Hello\r\n"); rc = test_failure(); if (EFI_ERROR(rc)) { Print(L"Returning Failure works\n"); } else { Print(L"Returning failure doesn't work.\r\n"); Print(L"%%rax was 0x%016x, should have been 0x%016x\n", rc, EFI_UNSUPPORTED); return EFI_INVALID_PARAMETER; } rc = test_call0(); if (!EFI_ERROR(rc)) { Print(L"0 args works just fine here.\r\n"); } else { Print(L"0 args failed: 0x%016x\n", rc); return rc; } rc = test_call1(); if (!EFI_ERROR(rc)) { Print(L"1 arg works just fine here.\r\n"); } else { Print(L"1 arg failed: 0x%016x\n", rc); return rc; } rc = test_call2(); if (!EFI_ERROR(rc)) { Print(L"2 args works just fine here.\r\n"); } else { Print(L"2 args failed: 0x%016x\n", rc); return rc; } rc = test_call3(); if (!EFI_ERROR(rc)) { Print(L"3 args works just fine here.\r\n"); } else { Print(L"3 args failed: 0x%016x\n", rc); return rc; } rc = test_call4(); if (!EFI_ERROR(rc)) { Print(L"4 args works just fine here.\r\n"); } else { Print(L"4 args failed: 0x%016x\n", rc); return rc; } rc = test_call5(); if (!EFI_ERROR(rc)) { Print(L"5 args works just fine here.\r\n"); } else { Print(L"5 args failed: 0x%016x\n", rc); return rc; } rc = test_call6(); if (!EFI_ERROR(rc)) { Print(L"6 args works just fine here.\r\n"); } else { Print(L"6 args failed: 0x%016x\n", rc); return rc; } rc = test_call7(); if (!EFI_ERROR(rc)) { Print(L"7 args works just fine here.\r\n"); } else { Print(L"7 args failed: 0x%016x\n", rc); return rc; } rc = test_call8(); if (!EFI_ERROR(rc)) { Print(L"8 args works just fine here.\r\n"); } else { Print(L"8 args failed: 0x%016x\n", rc); return rc; } rc = test_call9(); if (!EFI_ERROR(rc)) { Print(L"9 args works just fine here.\r\n"); } else { Print(L"9 args failed: 0x%016x\n", rc); return rc; } rc = test_call10(); if (!EFI_ERROR(rc)) { Print(L"10 args works just fine here.\r\n"); } else { Print(L"10 args failed: 0x%016x\n", rc); return rc; } return rc; }