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Test parsing of syscall args, and responses to invalid behaviour

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Toby Jaffey 2025-12-10 22:29:33 +00:00
parent 46b6d1efba
commit 9d9e7542fc
5 changed files with 301 additions and 0 deletions
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68
test/syscall_args/rom/rom.c Normal file
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#include "uvm32_target.h"
#include "../shared.h"
void syscall_a_test(void) {
// two strings
syscall((uint32_t)SYSCALL_A, (uint32_t)SYSCALL_A_DATA0, (uint32_t)SYSCALL_A_DATA1);
}
void syscall_b_test(void) {
// two null values
syscall((uint32_t)SYSCALL_B, 0, 0);
}
void syscall_c_test(void) {
// valid buffer
uint8_t buf[32];
for (int i=0;i<32;i++) {
buf[i] = i;
}
syscall((uint32_t)SYSCALL_C, (uint32_t)buf, sizeof(buf));
}
void syscall_d_test(void) {
// invalid address
syscall((uint32_t)SYSCALL_D, 0xFF000000, 100);
}
void syscall_ef_test(void) {
// ask for two values, then send them back
uint32_t a, b;
syscall((uint32_t)SYSCALL_E, (uint32_t)&a, (uint32_t)&b);
syscall((uint32_t)SYSCALL_F, a, b);
}
void syscall_gh_test(void) {
// ask for a buffer, mutate it, send it back
uint8_t buf[32];
syscall((uint32_t)SYSCALL_G, (uint32_t)buf, 32);
for (int i=0;i<32;i++) {
buf[i] *= 2;
}
syscall((uint32_t)SYSCALL_H, (uint32_t)buf, 32);
}
void main(void) {
switch(syscall(SYSCALL_PICKTEST, 0, 0)) {
case SYSCALL_A:
syscall_a_test();
break;
case SYSCALL_B:
syscall_b_test();
break;
case SYSCALL_C:
syscall_c_test();
break;
case SYSCALL_D:
syscall_d_test();
break;
case SYSCALL_E:
syscall_ef_test();
break;
case SYSCALL_G:
syscall_gh_test();
break;
}
}