hdkv/yuzu
1
Fork 0
Code Issues Pull Requests Releases 1 Activity

early-access version 2281

Browse Source
This commit is contained in:
pineappleEA
2021-12-07 02:20:09 +01:00
parent c2ae6d480a
commit c4fa174d53
591 changed files with 36978 additions and 18653 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
externals/SDL/src/cpuinfo/SDL_cpuinfo.c vendored
View File

@@ -50,10 +50,13 @@
#endif
#if defined(__MACOSX__) && (defined(__ppc__) || defined(__ppc64__))
#include <sys/sysctl.h> /* For AltiVec check */
#elif (defined(__OpenBSD__) || defined(__FreeBSD__)) && defined(__powerpc__)
#elif defined(__OpenBSD__) && defined(__powerpc__)
#include <sys/param.h>
#include <sys/sysctl.h> /* For AltiVec check */
#include <machine/cpu.h>
#elif defined(__FreeBSD__) && defined(__powerpc__)
#include <machine/cpu.h>
#include <sys/auxv.h>
#elif SDL_ALTIVEC_BLITTERS && HAVE_SETJMP
#include <signal.h>
#include <setjmp.h>
@@ -110,7 +113,7 @@
#define CPU_HAS_AVX512F (1 << 12)
#define CPU_HAS_ARM_SIMD (1 << 13)
#if SDL_ALTIVEC_BLITTERS && HAVE_SETJMP && !__MACOSX__ && !__OpenBSD__
#if SDL_ALTIVEC_BLITTERS && HAVE_SETJMP && !__MACOSX__ && !__OpenBSD__ && !__FreeBSD__
/* This is the brute force way of detecting instruction sets...
the idea is borrowed from the libmpeg2 library - thanks!
*/
@@ -314,11 +317,9 @@ CPU_haveAltiVec(void)
{
volatile int altivec = 0;
#ifndef SDL_CPUINFO_DISABLED
#if (defined(__MACOSX__) && (defined(__ppc__) || defined(__ppc64__))) || (defined(__OpenBSD__) && defined(__powerpc__)) || (defined(__FreeBSD__) && defined(__powerpc__))
#if (defined(__MACOSX__) && (defined(__ppc__) || defined(__ppc64__))) || (defined(__OpenBSD__) && defined(__powerpc__))
#ifdef __OpenBSD__
int selectors[2] = { CTL_MACHDEP, CPU_ALTIVEC };
#elif defined(__FreeBSD__)
int selectors[2] = { CTL_HW, PPC_FEATURE_HAS_ALTIVEC };
#else
int selectors[2] = { CTL_HW, HW_VECTORUNIT };
#endif
@@ -327,6 +328,11 @@ CPU_haveAltiVec(void)
int error = sysctl(selectors, 2, &hasVectorUnit, &length, NULL, 0);
if (0 == error)
altivec = (hasVectorUnit != 0);
#elif defined(__FreeBSD__) && defined(__powerpc__)
unsigned long cpufeatures = 0;
elf_aux_info(AT_HWCAP, &cpufeatures, sizeof(cpufeatures));
altivec = cpufeatures & PPC_FEATURE_HAS_ALTIVEC;
return altivec;
#elif SDL_ALTIVEC_BLITTERS && HAVE_SETJMP
void (*handler) (int sig);
handler = signal(SIGILL, illegal_instruction);
@@ -344,14 +350,14 @@ CPU_haveAltiVec(void)
static int
CPU_haveARMSIMD(void)
{
return 1;
return 1;
}
#elif !defined(__arm__)
static int
CPU_haveARMSIMD(void)
{
return 0;
return 0;
}
#elif defined(__LINUX__)
@@ -361,7 +367,7 @@ CPU_haveARMSIMD(void)
int arm_simd = 0;
int fd;
fd = open("/proc/self/auxv", O_RDONLY);
fd = open("/proc/self/auxv", O_RDONLY | O_CLOEXEC);
if (fd >= 0)
{
Elf32_auxv_t aux;
@@ -371,8 +377,8 @@ CPU_haveARMSIMD(void)
{
const char *plat = (const char *) aux.a_un.a_val;
if (plat) {
arm_simd = strncmp(plat, "v6l", 3) == 0 ||
strncmp(plat, "v7l", 3) == 0;
arm_simd = SDL_strncmp(plat, "v6l", 3) == 0 ||
SDL_strncmp(plat, "v7l", 3) == 0;
}
}
}
@@ -385,20 +391,20 @@ CPU_haveARMSIMD(void)
static int
CPU_haveARMSIMD(void)
{
_kernel_swi_regs regs;
regs.r[0] = 0;
if (_kernel_swi(OS_PlatformFeatures, &regs, &regs) != NULL)
return 0;
_kernel_swi_regs regs;
regs.r[0] = 0;
if (_kernel_swi(OS_PlatformFeatures, &regs, &regs) != NULL)
return 0;
if (!(regs.r[0] & (1<<31)))
return 0;
if (!(regs.r[0] & (1<<31)))
return 0;
regs.r[0] = 34;
regs.r[1] = 29;
if (_kernel_swi(OS_PlatformFeatures, &regs, &regs) != NULL)
return 0;
regs.r[0] = 34;
regs.r[1] = 29;
if (_kernel_swi(OS_PlatformFeatures, &regs, &regs) != NULL)
return 0;
return regs.r[0];
return regs.r[0];
}
#else
@@ -417,7 +423,7 @@ readProcAuxvForNeon(void)
int neon = 0;
int fd;
fd = open("/proc/self/auxv", O_RDONLY);
fd = open("/proc/self/auxv", O_RDONLY | O_CLOEXEC);
if (fd >= 0)
{
Elf32_auxv_t aux;
@@ -1057,7 +1063,7 @@ SDL_SIMDAlloc(const size_t len)
Uint8 *retval = NULL;
Uint8 *ptr = (Uint8 *) SDL_malloc(padded + alignment + sizeof (void *));
if (ptr) {
/* store the actual malloc pointer right before our aligned pointer. */
/* store the actual allocated pointer right before our aligned pointer. */
retval = ptr + sizeof (void *);
retval += alignment - (((size_t) retval) % alignment);
*(((void **) retval) - 1) = ptr;
@@ -1091,7 +1097,7 @@ SDL_SIMDRealloc(void *mem, const size_t len)
return NULL; /* Out of memory, bail! */
}
/* Store the actual malloc pointer right before our aligned pointer. */
/* Store the actual allocated pointer right before our aligned pointer. */
retval = ptr + sizeof (void *);
retval += alignment - (((size_t) retval) % alignment);
@@ -1109,7 +1115,7 @@ SDL_SIMDRealloc(void *mem, const size_t len)
}
}
/* Actually store the malloc pointer, finally. */
/* Actually store the allocated pointer, finally. */
*(((void **) retval) - 1) = ptr;
return retval;
}