rpcs3/rpcs3/Emu/Cell/Modules/sys_libc_.cpp
2019-12-03 17:23:00 +03:00

503 lines
10 KiB
C++

#include "stdafx.h"
#include "Emu/Cell/lv2/sys_tty.h"
#include "Emu/Cell/PPUModule.h"
#include "Utilities/cfmt.h"
#include <string.h>
#include <ctype.h>
extern logs::channel sysPrxForUser;
// cfmt implementation (TODO)
using qsortcmp = s32(vm::cptr<void> e1, vm::cptr<void> e2);
struct ps3_fmt_src
{
ppu_thread* ctx;
u32 g_count;
bool test(std::size_t index) const
{
return true;
}
template <typename T>
T get(std::size_t index) const
{
const u32 i = static_cast<u32>(index) + g_count;
return ppu_gpr_cast<T>(i < 8 ? ctx->gpr[3 + i] : +*ctx->get_stack_arg(i));
}
void skip(std::size_t extra)
{
g_count += static_cast<u32>(extra) + 1;
}
std::size_t fmt_string(std::string& out, std::size_t extra) const
{
const std::size_t start = out.size();
out += vm::_ptr<const char>(get<u32>(extra));
return out.size() - start;
}
std::size_t type(std::size_t extra) const
{
return 0;
}
static constexpr std::size_t size_char = 1;
static constexpr std::size_t size_short = 2;
static constexpr std::size_t size_int = 4;
static constexpr std::size_t size_long = 4;
static constexpr std::size_t size_llong = 8;
static constexpr std::size_t size_size = 4;
static constexpr std::size_t size_max = 8;
static constexpr std::size_t size_diff = 4;
};
template <>
f64 ps3_fmt_src::get<f64>(std::size_t index) const
{
return std::bit_cast<f64>(get<u64>(index));
}
static std::string ps3_fmt(ppu_thread& context, vm::cptr<char> fmt, u32 g_count)
{
std::string result;
cfmt_append(result, fmt.get_ptr(), ps3_fmt_src{&context, g_count});
return result;
}
static const std::array<s16, 129> s_ctype_table
{
0,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x408,
8, 8, 8, 8,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x18,
0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
0x41, 0x41, 0x41, 0x41, 0x41, 0x41,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
0x42, 0x42, 0x42, 0x42, 0x42, 0x42,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
0x10, 0x10, 0x10, 0x10, 0x20,
};
s16 __sys_look_ctype_table(s32 ch)
{
sysPrxForUser.trace("__sys_look_ctype_table(ch=%d)", ch);
verify("__sys_look_ctype_table" HERE), ch >= -1 && ch <= 127;
return s_ctype_table[ch + 1];
}
s32 _sys_tolower(s32 ch)
{
sysPrxForUser.trace("_sys_tolower(ch=%d)", ch);
verify("_sys_tolower" HERE), ch >= -1 && ch <= 127;
return s_ctype_table[ch + 1] & 1 ? ch + 0x20 : ch;
}
s32 _sys_toupper(s32 ch)
{
sysPrxForUser.trace("_sys_toupper(ch=%d)", ch);
verify("_sys_toupper" HERE), ch >= -1 && ch <= 127;
return s_ctype_table[ch + 1] & 2 ? ch - 0x20 : ch;
}
vm::ptr<void> _sys_memset(vm::ptr<void> dst, s32 value, u32 size)
{
sysPrxForUser.trace("_sys_memset(dst=*0x%x, value=%d, size=0x%x)", dst, value, size);
std::memset(dst.get_ptr(), value, size);
return dst;
}
vm::ptr<void> _sys_memcpy(vm::ptr<void> dst, vm::cptr<void> src, u32 size)
{
sysPrxForUser.trace("_sys_memcpy(dst=*0x%x, src=*0x%x, size=0x%x)", dst, src, size);
std::memcpy(dst.get_ptr(), src.get_ptr(), size);
return dst;
}
s32 _sys_memcmp(vm::cptr<u8> buf1, vm::cptr<u8> buf2, u32 size)
{
sysPrxForUser.trace("_sys_memcmp(buf1=*0x%x, buf2=*0x%x, size=%d)", buf1, buf2, size);
for (u32 i = 0; i < size; i++)
{
const u8 b1 = buf1[i], b2 = buf2[i];
if (b1 < b2)
{
return -1;
}
if (b1 > b2)
{
return 1;
}
}
return 0;
}
vm::ptr<u8> _sys_memchr(vm::ptr<u8> buf, u8 ch, s32 size)
{
sysPrxForUser.trace("_sys_memchr(buf=*0x%x, ch=0x%x, size=0x%x)", buf, ch, size);
if (!buf)
{
return vm::null;
}
while (size > 0)
{
if (*buf == ch)
{
return buf;
}
buf++;
size--;
}
return vm::null;
}
vm::ptr<void> _sys_memmove(vm::ptr<void> dst, vm::cptr<void> src, u32 size)
{
sysPrxForUser.trace("_sys_memmove(dst=*0x%x, src=*0x%x, size=%d)", dst, src, size);
std::memmove(dst.get_ptr(), src.get_ptr(), size);
return dst;
}
u32 _sys_strlen(vm::cptr<char> str)
{
sysPrxForUser.trace("_sys_strlen(str=%s)", str);
if (!str)
{
return 0;
}
for (u32 i = 0;; i++)
{
if (str[i] == '\0')
{
return i;
}
}
}
s32 _sys_strcmp(vm::cptr<char> str1, vm::cptr<char> str2)
{
sysPrxForUser.trace("_sys_strcmp(str1=%s, str2=%s)", str1, str2);
for (u32 i = 0;; i++)
{
const u8 ch1 = str1[i], ch2 = str2[i];
if (ch1 < ch2)
return -1;
if (ch1 > ch2)
return 1;
if (ch1 == '\0')
return 0;
}
}
s32 _sys_strncmp(vm::cptr<char> str1, vm::cptr<char> str2, u32 max)
{
sysPrxForUser.trace("_sys_strncmp(str1=%s, str2=%s, max=%d)", str1, str2, max);
for (u32 i = 0; i < max; i++)
{
const u8 ch1 = str1[i], ch2 = str2[i];
if (ch1 < ch2)
return -1;
if (ch1 > ch2)
return 1;
if (ch1 == '\0')
break;
}
return 0;
}
vm::ptr<char> _sys_strcat(vm::ptr<char> dst, vm::cptr<char> src)
{
sysPrxForUser.trace("_sys_strcat(dst=*0x%x %s, src=%s)", dst, dst, src);
auto str = dst;
while (*str)
{
str++;
}
for (u32 i = 0;; i++)
{
if (!(str[i] = src[i]))
{
return dst;
}
}
}
vm::cptr<char> _sys_strchr(vm::cptr<char> str, char ch)
{
sysPrxForUser.trace("_sys_strchr(str=%s, ch=%d)", str, ch);
for (u32 i = 0;; i++)
{
const char ch1 = str[i];
if (ch1 == ch)
return str + i;
if (ch1 == '\0')
return vm::null;
}
}
vm::ptr<char> _sys_strncat(vm::ptr<char> dst, vm::cptr<char> src, u32 max)
{
sysPrxForUser.trace("_sys_strncat(dst=*0x%x %s, src=%s, max=%u)", dst, dst, src, max);
auto str = dst;
while (*str)
{
str++;
}
for (u32 i = 0; i < max; i++)
{
if (!(str[i] = src[i]))
{
return dst;
}
}
str[max] = '\0';
return dst;
}
vm::ptr<char> _sys_strcpy(vm::ptr<char> dst, vm::cptr<char> src)
{
sysPrxForUser.trace("_sys_strcpy(dst=*0x%x, src=%s)", dst, src);
for (u32 i = 0;; i++)
{
if (!(dst[i] = src[i]))
{
return dst;
}
}
}
vm::ptr<char> _sys_strncpy(vm::ptr<char> dst, vm::cptr<char> src, s32 len)
{
sysPrxForUser.trace("_sys_strncpy(dst=*0x%x %s, src=%s, len=%d)", dst, dst, src, len);
if (!dst || !src)
{
return vm::null;
}
for (s32 i = 0; i < len; i++)
{
if (!(dst[i] = src[i]))
{
for (++i; i < len; i++)
{
dst[i] = '\0';
}
return dst;
}
}
return dst;
}
s32 _sys_strncasecmp(vm::cptr<char> str1, vm::cptr<char> str2, u32 n)
{
sysPrxForUser.trace("_sys_strncasecmp(str1=%s, str2=%s, n=%d)", str1, str2, n);
for (u32 i = 0; i < n; i++)
{
const int ch1 = _sys_tolower(str1[i]), ch2 = _sys_tolower(str2[i]);
if (ch1 < ch2)
return -1;
if (ch1 > ch2)
return 1;
if (ch1 == '\0')
break;
}
return 0;
}
vm::cptr<char> _sys_strrchr(vm::cptr<char> str, char ch)
{
sysPrxForUser.trace("_sys_strrchr(str=%s, ch=%d)", str, ch);
vm::cptr<char> res = vm::null;
for (u32 i = 0;; i++)
{
const char ch1 = str[i];
if (ch1 == ch)
res = str + i;
if (ch1 == '\0')
break;
}
return res;
}
u32 _sys_malloc(u32 size)
{
sysPrxForUser.warning("_sys_malloc(size=0x%x)", size);
return vm::alloc(size, vm::main);
}
u32 _sys_memalign(u32 align, u32 size)
{
sysPrxForUser.warning("_sys_memalign(align=0x%x, size=0x%x)", align, size);
return vm::alloc(size, vm::main, std::max<u32>(align, 0x10000));
}
s32 _sys_free(u32 addr)
{
sysPrxForUser.warning("_sys_free(addr=0x%x)", addr);
vm::dealloc(addr, vm::main);
return CELL_OK;
}
s32 _sys_snprintf(ppu_thread& ppu, vm::ptr<char> dst, u32 count, vm::cptr<char> fmt, ppu_va_args_t va_args)
{
sysPrxForUser.warning("_sys_snprintf(dst=*0x%x, count=%d, fmt=%s, ...)", dst, count, fmt);
std::string result = ps3_fmt(ppu, fmt, va_args.count);
if (!count)
{
return 0; // ???
}
else
{
count = static_cast<u32>(std::min<size_t>(count - 1, result.size()));
std::memcpy(dst.get_ptr(), result.c_str(), count);
dst[count] = 0;
return count;
}
}
s32 _sys_printf(ppu_thread& ppu, vm::cptr<char> fmt, ppu_va_args_t va_args)
{
sysPrxForUser.warning("_sys_printf(fmt=%s, ...)", fmt);
const auto buf = vm::make_str(ps3_fmt(ppu, fmt, va_args.count));
sys_tty_write(0, buf, buf.get_count() - 1, vm::var<u32>{});
return CELL_OK;
}
s32 _sys_sprintf(ppu_thread& ppu, vm::ptr<char> buffer, vm::cptr<char> fmt, ppu_va_args_t va_args)
{
sysPrxForUser.warning("_sys_sprintf(buffer=*0x%x, fmt=%s, ...)", buffer, fmt);
std::string result = ps3_fmt(ppu, fmt, va_args.count);
std::memcpy(buffer.get_ptr(), result.c_str(), result.size() + 1);
return static_cast<s32>(result.size());
}
s32 _sys_vprintf()
{
sysPrxForUser.todo("_sys_vprintf()");
return CELL_OK;
}
s32 _sys_vsnprintf()
{
sysPrxForUser.todo("_sys_vsnprintf()");
return CELL_OK;
}
s32 _sys_vsprintf()
{
sysPrxForUser.todo("_sys_vsprintf()");
return CELL_OK;
}
void _sys_qsort(vm::ptr<void> base, u32 nelem, u32 size, vm::ptr<qsortcmp> cmp)
{
sysPrxForUser.warning("_sys_qsort(base=*0x%x, nelem=%d, size=0x%x, cmp=*0x%x)", base, nelem, size, cmp);
static thread_local decltype(cmp) g_tls_cmp;
g_tls_cmp = cmp;
std::qsort(base.get_ptr(), nelem, size, [](const void* a, const void* b) -> s32
{
return g_tls_cmp(static_cast<ppu_thread&>(*get_current_cpu_thread()), vm::get_addr(a), vm::get_addr(b));
});
}
void sysPrxForUser_sys_libc_init()
{
REG_FUNC(sysPrxForUser, __sys_look_ctype_table);
REG_FUNC(sysPrxForUser, _sys_tolower);
REG_FUNC(sysPrxForUser, _sys_toupper);
REG_FUNC(sysPrxForUser, _sys_memset);
REG_FUNC(sysPrxForUser, _sys_memcpy);
REG_FUNC(sysPrxForUser, _sys_memcmp);
REG_FUNC(sysPrxForUser, _sys_memchr);
REG_FUNC(sysPrxForUser, _sys_memmove);
REG_FUNC(sysPrxForUser, _sys_strlen);
REG_FUNC(sysPrxForUser, _sys_strcmp);
REG_FUNC(sysPrxForUser, _sys_strncmp);
REG_FUNC(sysPrxForUser, _sys_strcat);
REG_FUNC(sysPrxForUser, _sys_strchr);
REG_FUNC(sysPrxForUser, _sys_strncat);
REG_FUNC(sysPrxForUser, _sys_strcpy);
REG_FUNC(sysPrxForUser, _sys_strncpy);
REG_FUNC(sysPrxForUser, _sys_strncasecmp);
REG_FUNC(sysPrxForUser, _sys_strrchr);
REG_FUNC(sysPrxForUser, _sys_malloc);
REG_FUNC(sysPrxForUser, _sys_memalign);
REG_FUNC(sysPrxForUser, _sys_free);
REG_FUNC(sysPrxForUser, _sys_snprintf);
REG_FUNC(sysPrxForUser, _sys_printf);
REG_FUNC(sysPrxForUser, _sys_sprintf);
REG_FUNC(sysPrxForUser, _sys_vprintf);
REG_FUNC(sysPrxForUser, _sys_vsnprintf);
REG_FUNC(sysPrxForUser, _sys_vsprintf);
REG_FUNC(sysPrxForUser, _sys_qsort);
}