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uncrustified example programs

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This commit is contained in:
Anton Lydike 2021-08-22 19:54:58 +02:00
parent 31e2b25059
commit 8560bf6d5b
2 changed files with 52 additions and 45 deletions
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43
programs/simple.c
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@ -1,26 +1,27 @@
#define TEXT_IO_ADDR 0xff0000
#define TEXT_IO_BUFLEN 64
void dbgln(char*, int);
char* itoa (int value, char* str, int base);
char* itoa(int value, char* str, int base);
char text[48] = "the number is ";
int main() {
int main()
{
dbgln("main", 4);
int a = 144;
while (1) {
for (int i = 0; i < 10000; i++) {
for (int j = 0; j < 10000; j++) {
a ^= (((a<<16) ^ a) & i) << 4;
a ^= ((a & (j << 4)) >> 3) ^ (i*j);
a ^= (((a << 16) ^ a) & i) << 4;
a ^= ((a & (j << 4)) >> 3) ^ (i * j);
}
itoa(a, &text[14], 16);
dbgln(text, 32);
}
__asm__("ebreak");
__asm__ ("ebreak");
}
return a;
@ -50,7 +51,7 @@ void dbgln(char* text, int len)
}
char alpha[16] = "0123456789abcdef";
char* itoa (int value, char* str, int base)
char* itoa(int value, char* str, int base)
{
if (base > 16 || base < 2) {
*str++ = '?';
@ -64,6 +65,7 @@ char* itoa (int value, char* str, int base)
int digits = 0;
int num = 0;
// reverse number
do {
num = num * base;
@ -78,27 +80,28 @@ char* itoa (int value, char* str, int base)
value = value / base;
*str++ = alpha[num];
digits--;
}
while (digits > 0);
}while (digits > 0);
return str;
}
void _start() {
__asm__(
".option push\n"
".option norelax\n"
" la gp, _gp\n"
".option pop\n"
void _start()
{
__asm__ (
".option push\n"
".option norelax\n"
" la gp, _gp\n"
".option pop\n"
);
dbgln("start", 5);
int exit_code = main();
dbgln("end", 3);
__asm__(
"mv a0, %0\n"
"li a7, 5\n"
"ecall" :: "r"(exit_code)
__asm__ (
"mv a0, %0\n"
"li a7, 5\n"
"ecall" :: "r"(exit_code)
);
}
}

54
programs/spawn.c
View File

@ -1,26 +1,27 @@
#define TEXT_IO_ADDR 0xff0000
#define TEXT_IO_BUFLEN 64
void dbgln(char*, int);
char* itoa (int value, char* str, int base);
char* itoa(int value, char* str, int base);
int thread(void* args);
int main() {
int main()
{
dbgln("main", 4);
int arg = 144;
__asm__(
"mv a0, %0\n"
"mv a1, %1\n"
"li a7, 1\n"
"ecall" :: "r"(thread), "r"(&arg)
__asm__ (
"mv a0, %0\n"
"mv a1, %1\n"
"li a7, 1\n"
"ecall" :: "r"(thread), "r"(&arg)
);
while (arg == 144) {}
__asm__("ebreak");
while (arg == 144) {
}
__asm__ ("ebreak");
return 0;
}
@ -30,7 +31,8 @@ int thread(void* args)
int arg = *((int*) args);
char buff[32] = "the magic number is: ";
char* end = itoa(arg, &buff[21], 10);
dbgln(buff, (int)(end - buff));
dbgln(buff, (int) (end - buff));
// *((int*) args) = 0;
@ -61,7 +63,7 @@ void dbgln(char* text, int len)
}
char alpha[16] = "0123456789abcdef";
char* itoa (int value, char* str, int base)
char* itoa(int value, char* str, int base)
{
if (base > 16 || base < 2) {
*str++ = '?';
@ -75,6 +77,7 @@ char* itoa (int value, char* str, int base)
int digits = 0;
int num = 0;
// reverse number
do {
num = num * base;
@ -89,27 +92,28 @@ char* itoa (int value, char* str, int base)
value = value / base;
*str++ = alpha[num];
digits--;
}
while (digits > 0);
}while (digits > 0);
return str;
}
void _start() {
__asm__(
".option push\n"
".option norelax\n"
" la gp, _gp\n"
".option pop\n"
void _start()
{
__asm__ (
".option push\n"
".option norelax\n"
" la gp, _gp\n"
".option pop\n"
);
dbgln("start", 5);
int exit_code = main();
dbgln("end", 3);
__asm__(
"mv a0, %0\n"
"li a7, 5\n"
"ecall" :: "r"(exit_code)
__asm__ (
"mv a0, %0\n"
"li a7, 5\n"
"ecall" :: "r"(exit_code)
);
}
}