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exo/mariko fatal: halt other cores when beginning fatal program

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This commit is contained in:
Michael Scire 2020-11-19 20:32:21 -08:00 • committed by SciresM
parent 7f1a7cfd2d
commit 45830472c1
10 changed files with 211 additions and 131 deletions
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70
exosphere/program/source/secmon_error.cpp
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@ -21,17 +21,6 @@ namespace ams {
namespace {
constexpr bool SaveSystemStateForDebug = false;
constexpr bool LogSystemStateForDebug = false;
void LogU64(u64 value) {
char buffer[2 * sizeof(value)];
for (size_t i = 0; i < sizeof(value); ++i) {
buffer[sizeof(buffer) - 1 - (2 * i) - 0] = "0123456789ABCDEF"[(value >> 0) & 0xF];
buffer[sizeof(buffer) - 1 - (2 * i) - 1] = "0123456789ABCDEF"[(value >> 4) & 0xF];
value >>= 8;
}
log::SendText(buffer, sizeof(buffer));
}
}
}
@ -114,57 +103,6 @@ namespace ams::secmon {
util::WaitMicroSeconds(1000);
}
ALWAYS_INLINE void LogSystemStateForDebugErrorReboot(u64 lr, u64 sp) {
log::SendText("*** Error Reboot ***\n", 21);
log::Flush();
u64 temp_reg;
__asm__ __volatile__("mrs %0, esr_el3" : "=r"(temp_reg) :: "memory");
log::SendText("ESR_EL3: ", 9);
LogU64(temp_reg);
log::SendText("\n", 1);
log::Flush();
__asm__ __volatile__("mrs %0, elr_el3" : "=r"(temp_reg) :: "memory");
log::SendText("ELR_EL3: ", 9);
LogU64(temp_reg);
log::SendText("\n", 1);
log::Flush();
__asm__ __volatile__("mrs %0, far_el3" : "=r"(temp_reg) :: "memory");
log::SendText("FAR_EL3: ", 9);
LogU64(temp_reg);
log::SendText("\n", 1);
log::Flush();
log::SendText("LR: ", 9);
LogU64(lr);
log::SendText("\n", 1);
log::Flush();
log::SendText("SP: ", 9);
LogU64(sp);
log::SendText("\n", 1);
log::Flush();
log::SendText("Stack:\n", 7);
log::Flush();
char buf[2];
for (int i = 0; i < 0x100; ++i) {
const u8 byte = *(volatile u8 *)(sp + i);
buf[0] = "0123456789ABCDEF"[(byte >> 4) & 0xF];
buf[1] = "0123456789ABCDEF"[(byte >> 0) & 0xF];
log::SendText(buf, 2);
log::Flush();
if (util::IsAligned(i + 1, 0x10)) {
log::SendText("\n", 1);
log::Flush();
}
}
}
}
void SetError(pkg1::ErrorInfo info) {
@ -181,14 +119,6 @@ namespace ams::secmon {
SaveSystemStateForDebugErrorReboot();
}
if constexpr (LogSystemStateForDebug) {
u64 lr, sp;
__asm__ __volatile__("mov %0, lr" : "=r"(lr) :: "memory");
__asm__ __volatile__("mov %0, sp" : "=r"(sp) :: "memory");
LogSystemStateForDebugErrorReboot(lr, sp);
}
/* Lockout the security engine. */
se::Lockout();