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Test memory read outside of memory and extram regions.

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This commit is contained in:
Toby Jaffey 2025-12-14 00:32:50 +00:00
parent 179466eae4
commit 2037f6e575
3 changed files with 24 additions and 0 deletions
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8
test/syscall_args/rom/rom.c
View file

@ -47,6 +47,11 @@ void syscall_i_test(void) {
syscall((uint32_t)SYSCALL_I, (uint32_t)p, 0);
}
void syscall_j_test(void) {
uint32_t *p = (uint32_t *)0xF0000000;
syscall((uint32_t)SYSCALL_I, (uint32_t)p[0], 0); // try to read from beyond memory and not in MMIO region
}
void main(void) {
switch(syscall(SYSCALL_PICKTEST, 0, 0)) {
case SYSCALL_A:
@ -70,6 +75,9 @@ void main(void) {
case SYSCALL_I:
syscall_i_test();
break;
case SYSCALL_J:
syscall_j_test();
break;
}
}

1
test/syscall_args/shared.h
View file

@ -14,4 +14,5 @@
#define SYSCALL_G SYSCALL_BASE+7
#define SYSCALL_H SYSCALL_BASE+8
#define SYSCALL_I SYSCALL_BASE+9
#define SYSCALL_J SYSCALL_BASE+10

15
test/syscall_args/test/tests.c
View file

@ -211,3 +211,18 @@ void test_syscall_args_bufrd_toolarge(void) {
TEST_ASSERT_EQUAL(evt.data.err.errcode, UVM32_ERR_MEM_RD);
}
void test_syscall_args_read_badram(void) {
// run the vm
uvm32_run(&vmst, &evt, 1000);
// check for picktest syscall
TEST_ASSERT_EQUAL(evt.typ, UVM32_EVT_SYSCALL);
TEST_ASSERT_EQUAL(evt.data.syscall.code, SYSCALL_PICKTEST);
uvm32_arg_setval(&vmst, &evt, RET, SYSCALL_J);
uvm32_run(&vmst, &evt, 1000);
// check for error state
uvm32_run(&vmst, &evt, 100);
TEST_ASSERT_EQUAL(evt.typ, UVM32_EVT_ERR);
TEST_ASSERT_EQUAL(evt.data.err.errcode, UVM32_ERR_MEM_RD);
}