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Minor decoder optimizations, kernel fixes, cpu backend fixes

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This commit is contained in:
chss95cs@gmail.com
2022-11-05 10:50:33 -07:00
parent ba66373d8c
commit c1d922eebf
62 changed files with 1254 additions and 802 deletions
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125
src/xenia/kernel/xboxkrnl/xboxkrnl_rtl.cc
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@@ -28,7 +28,11 @@
namespace xe {
namespace kernel {
namespace xboxkrnl {
struct X_STRING {
unsigned short length;
unsigned short pad;
uint32_t ptr;
};
// https://msdn.microsoft.com/en-us/library/ff561778
dword_result_t RtlCompareMemory_entry(lpvoid_t source1, lpvoid_t source2,
dword_t length) {
@@ -142,38 +146,80 @@ dword_result_t RtlLowerChar_entry(dword_t in) {
}
DECLARE_XBOXKRNL_EXPORT1(RtlLowerChar, kNone, kImplemented);
dword_result_t RtlCompareString_entry(lpstring_t string_1, lpstring_t string_2,
dword_t case_insensitive) {
int ret = case_insensitive ? xe_strcasecmp(string_1, string_2)
: std::strcmp(string_1, string_2);
return ret;
static int RtlCompareStringN_impl(uint8_t* string_1, unsigned int string_1_len,
uint8_t* string_2, unsigned int string_2_len,
int case_insensitive) {
if (string_1_len == 0xFFFFFFFF) {
uint8_t* string1_strlen_iter = string_1;
while (*string1_strlen_iter++)
;
string_1_len =
static_cast<unsigned int>(string1_strlen_iter - string_1 - 1);
}
if (string_2_len == 0xFFFFFFFF) {
uint8_t* string2_strlen_iter = string_2;
while (*string2_strlen_iter++)
;
string_2_len =
static_cast<unsigned int>(string2_strlen_iter - string_2 - 1);
}
uint8_t* string1_end = &string_1[std::min(string_2_len, string_1_len)];
if (case_insensitive) {
while (string_1 < string1_end) {
unsigned c1 = *string_1++;
unsigned c2 = *string_2++;
if (c1 != c2) {
unsigned cu1 = rtl_upper_table[c1];
unsigned cu2 = rtl_upper_table[c2];
if (cu1 != cu2) {
return cu1 - cu2;
}
}
}
} else {
while (string_1 < string1_end) {
unsigned c1 = *string_1++;
unsigned c2 = *string_2++;
if (c1 != c2) {
return c1 - c2;
}
}
}
// why? not sure, but its the original logic
return string_1_len - string_2_len;
}
DECLARE_XBOXKRNL_EXPORT1(RtlCompareString, kNone, kImplemented);
dword_result_t RtlCompareStringN_entry(lpstring_t string_1,
dword_t string_1_len,
lpstring_t string_2,
dword_t string_2_len,
dword_t case_insensitive) {
uint32_t len1 = string_1_len;
uint32_t len2 = string_2_len;
if (string_1_len == 0xFFFF) {
len1 = uint32_t(std::strlen(string_1));
}
if (string_2_len == 0xFFFF) {
len2 = uint32_t(std::strlen(string_2));
}
auto len = std::min(string_1_len, string_2_len);
int ret = case_insensitive ? xe_strncasecmp(string_1, string_2, len)
: std::strncmp(string_1, string_2, len);
return ret;
return RtlCompareStringN_impl(
reinterpret_cast<uint8_t*>(string_1.host_address()), string_1_len,
reinterpret_cast<uint8_t*>(string_2.host_address()), string_2_len,
case_insensitive);
}
DECLARE_XBOXKRNL_EXPORT1(RtlCompareStringN, kNone, kImplemented);
dword_result_t RtlCompareString_entry(lpvoid_t string_1, lpvoid_t string_2,
dword_t case_insensitive) {
X_STRING* xs1 = string_1.as<X_STRING*>();
X_STRING* xs2 = string_2.as<X_STRING*>();
unsigned length_1 = xe::load_and_swap<uint16_t>(&xs1->length);
unsigned length_2 = xe::load_and_swap<uint16_t>(&xs2->length);
uint32_t ptr_1 = xe::load_and_swap<uint32_t>(&xs1->ptr);
uint32_t ptr_2 = xe::load_and_swap<uint32_t>(&xs2->ptr);
auto kmem = kernel_memory();
return RtlCompareStringN_impl(
kmem->TranslateVirtual<uint8_t*>(ptr_1), length_1,
kmem->TranslateVirtual<uint8_t*>(ptr_2), length_2, case_insensitive);
}
DECLARE_XBOXKRNL_EXPORT1(RtlCompareString, kNone, kImplemented);
// https://msdn.microsoft.com/en-us/library/ff561918
void RtlInitAnsiString_entry(pointer_t<X_ANSI_STRING> destination,
lpstring_t source) {
@@ -188,13 +234,13 @@ void RtlInitAnsiString_entry(pointer_t<X_ANSI_STRING> destination,
destination->pointer = source.guest_address();
}
DECLARE_XBOXKRNL_EXPORT1(RtlInitAnsiString, kNone, kImplemented);
//https://learn.microsoft.com/en-us/windows-hardware/drivers/ddi/wdm/nf-wdm-rtlupcaseunicodechar
// https://learn.microsoft.com/en-us/windows-hardware/drivers/ddi/wdm/nf-wdm-rtlupcaseunicodechar
dword_result_t RtlUpcaseUnicodeChar_entry(dword_t SourceCharacter) {
return std::use_facet<std::ctype<char16_t>>(std::locale()).toupper(SourceCharacter);
return std::use_facet<std::ctype<char16_t>>(std::locale())
.toupper(SourceCharacter);
}
DECLARE_XBOXKRNL_EXPORT1(RtlUpcaseUnicodeChar, kNone, kImplemented);
// https://msdn.microsoft.com/en-us/library/ff561899
void RtlFreeAnsiString_entry(pointer_t<X_ANSI_STRING> string) {
if (string->pointer) {
@@ -206,8 +252,8 @@ void RtlFreeAnsiString_entry(pointer_t<X_ANSI_STRING> string) {
DECLARE_XBOXKRNL_EXPORT1(RtlFreeAnsiString, kNone, kImplemented);
// https://msdn.microsoft.com/en-us/library/ff561934
void RtlInitUnicodeString_entry(pointer_t<X_UNICODE_STRING> destination,
lpu16string_t source) {
pointer_result_t RtlInitUnicodeString_entry(
pointer_t<X_UNICODE_STRING> destination, lpu16string_t source) {
if (source) {
destination->length = (uint16_t)source.value().size() * 2;
destination->maximum_length = (uint16_t)(source.value().size() + 1) * 2;
@@ -215,6 +261,7 @@ void RtlInitUnicodeString_entry(pointer_t<X_UNICODE_STRING> destination,
} else {
destination->reset();
}
return destination.guest_address();
}
DECLARE_XBOXKRNL_EXPORT1(RtlInitUnicodeString, kNone, kImplemented);
@@ -671,6 +718,26 @@ dword_result_t RtlComputeCrc32_entry(dword_t seed, lpvoid_t buffer,
}
DECLARE_XBOXKRNL_EXPORT1(RtlComputeCrc32, kNone, kImplemented);
static void RtlRip_entry(const ppc_context_t& ctx) {
uint32_t arg1 = static_cast<uint32_t>(ctx->r[3]);
uint32_t arg2 = static_cast<uint32_t>(ctx->r[4]);
const char* msg_str1 = "";
const char* msg_str2 = "";
if (arg1) {
msg_str1 = ctx->TranslateVirtual<const char*>(arg1);
}
if (arg2) {
msg_str2 = ctx->TranslateVirtual<const char*>(arg2);
}
XELOGE("RtlRip called, arg1 = {}, arg2 = {}\n", msg_str1, msg_str2);
//we should break here... not sure what to do exactly
}
DECLARE_XBOXKRNL_EXPORT1(RtlRip, kNone, kImportant);
} // namespace xboxkrnl
} // namespace kernel
} // namespace xe