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Revert "stivale2: Add stack validity check"

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This reverts commit 4a59ba6ba4.
This commit is contained in:
mintsuki 2021-12-11 17:55:47 +01:00
parent 9131aee184
commit 0d8037a4a4
1 changed files with 0 additions and 19 deletions
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19
stage23/protos/stivale2.c
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@ -273,25 +273,6 @@ failed_to_load_header_section:
print("stivale2: WARNING: Requested stack is not 16-byte aligned\n"); print("stivale2: WARNING: Requested stack is not 16-byte aligned\n");
} }
if (stivale2_hdr.stack != 0 && ranges != NULL) {
bool stack_valid = false;
for (size_t i = 0; i < ranges_count; i++) {
// Check we have at least 256 bytes of stack available
if (stivale2_hdr.stack >= ranges[i].base + 256
&& stivale2_hdr.stack <= ranges[i].base + ranges[i].length
&& (ranges[i].permissions & ELF_PF_R)
&& (ranges[i].permissions & ELF_PF_W)) {
stack_valid = true;
break;
}
}
if (!stack_valid) {
panic("stivale2: The provided stack is not valid");
}
}
// It also says the stack cannot be NULL for 32-bit kernels // It also says the stack cannot be NULL for 32-bit kernels
if (bits == 32 && stivale2_hdr.stack == 0) { if (bits == 32 && stivale2_hdr.stack == 0) {
panic("stivale2: The stack cannot be 0 for 32-bit kernels"); panic("stivale2: The stack cannot be 0 for 32-bit kernels");