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Code Issues Releases Wiki Activity

For #2689, Support loongarch, loongson CPU. v5.0.19

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This commit is contained in:
winlin 2021-10-24 13:29:14 +08:00
parent a86f3905b2
commit 5b44cc6a17
11 changed files with 3481 additions and 6 deletions
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57
trunk/3rdparty/st-srs/tools/porting/porting.c vendored
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@ -6,6 +6,7 @@
int foo_return_zero();
int foo_return_one();
int foo_return_one_arg1(int r0);
extern void print_buf(unsigned char* p, int nn_jb);
extern void print_jmpbuf();
@ -22,11 +23,14 @@ int main(int argc, char** argv)
printf("\nCPU specs:\n");
#ifdef __mips__
// https://s3-eu-west-1.amazonaws.com/downloads-mips/documents/MD00565-2B-MIPS32-QRC-01.01.pdf
printf("__mips__: %d, __mips:%d, _MIPSEL:%d\n", __mips__, __mips, _MIPSEL);
printf("__mips__: %d, __mips: %d, _MIPSEL: %d\n", __mips__, __mips, _MIPSEL);
#endif
#ifdef __x86_64__
printf("__x86_64__: %d\n", __x86_64__);
#endif
#ifdef __loongarch__
printf("__loongarch__: %d, __loongarch64 :%d\n", __loongarch__, __loongarch64);
#endif
printf("\nCompiler specs:\n");
#ifdef __GLIBC__
@ -36,13 +40,14 @@ int main(int argc, char** argv)
printf("sizeof(long long int)=%d\n", (int)sizeof(long long int));
printf("sizeof(void*)=%d\n", (int)sizeof(void*));
#ifdef __ptr_t
printf("sizeof(__ptr_t)=%d\n", sizeof(__ptr_t));
printf("sizeof(__ptr_t)=%d\n", (int)sizeof(__ptr_t));
#endif
printf("\nReturn value:\n");
int r0 = foo_return_zero();
int r1 = foo_return_one();
printf("foo_return_zero=%d, foo_return_one=%d\n", r0, r1);
int r2 = foo_return_one_arg1(r1);
printf("foo_return_zero=%d, foo_return_one=%d, foo_return_one_arg1=%d\n", r0, r1, r2);
printf("\nCalling conventions:\n");
print_jmpbuf();
@ -60,6 +65,11 @@ int foo_return_one()
return 1;
}
int foo_return_one_arg1(int r0)
{
return r0 + 2;
}
#ifdef __linux__
#ifdef __mips__
void print_jmpbuf()
@ -102,6 +112,47 @@ void print_jmpbuf()
unsigned char* p = (unsigned char*)ctx[0].__jb;
print_buf(p, nn_jb);
}
#elif __loongarch__
void print_jmpbuf()
{
// https://github.com/ossrs/state-threads/issues/24#porting
register void* ra asm("r1"); // r1, ra, Return address
register void* sp asm("r3"); // r3, sp, Stack pointer
register void* fp asm("r22"); // r22, fp, Frame pointer
// r23-r31, s0-s8, Subroutine register variable
register void* s0 asm("r23");
register void* s1 asm("r24");
register void* s2 asm("r25");
register void* s3 asm("r26");
register void* s4 asm("r27");
register void* s5 asm("r28");
register void* s6 asm("r29");
register void* s7 asm("r30");
register void* s8 asm("r31");
/*
struct __jmp_buf_tag {
__jmp_buf __jmpbuf;
int __mask_was_saved;
__sigset_t __saved_mask;
};
typedef struct __jmp_buf_tag jmp_buf[1];
*/
jmp_buf ctx = {0};
int r0 = setjmp(ctx);
if (!r0) {
longjmp(ctx, 1);
}
printf("ra=%p, sp=%p, fp=%p, s0=%p, s1=%p, s2=%p, s3=%p, s4=%p, s5=%p, s6=%p, s7=%p, s7=%p\n",
ra, sp, fp, s0, s1, s2, s3, s4, s5, s6, s7, s8);
int nn_jb = sizeof(ctx[0].__jmpbuf);
printf("sizeof(jmp_buf)=%d (unsigned long long [%d])\n", nn_jb, nn_jb/8);
unsigned char* p = (unsigned char*)ctx[0].__jmpbuf;
print_buf(p, nn_jb);
}
#endif
#endif