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exception: Fix silent mode

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Do not forget to clear the L2C_ERR flags in silent mode also. This is
necessary for proper recovery.

Signed-off-by: Martin Povišer <povik@protonmail.com>
This commit is contained in:
Martin Povišer 2022-02-08 13:39:50 +01:00 • committed by Hector Martin
parent 41f0874f99
commit 7bab3d0fc3
1 changed files with 4 additions and 5 deletions
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9
src/exception.c
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@ -182,14 +182,10 @@ void print_regs(u64 *regs, int el12)
const char *ec_desc = ec_table[(esr >> 26) & 0x3f];
printf("ESR_EL1: 0x%lx (%s)\n", esr, ec_desc ? ec_desc : "?");
u64 l2c_err_sts = mrs(SYS_IMP_APL_L2C_ERR_STS);
printf("L2C_ERR_STS: 0x%lx\n", l2c_err_sts);
printf("L2C_ERR_STS: 0x%lx\n", mrs(SYS_IMP_APL_L2C_ERR_STS));
printf("L2C_ERR_ADR: 0x%lx\n", mrs(SYS_IMP_APL_L2C_ERR_ADR));
printf("L2C_ERR_INF: 0x%lx\n", mrs(SYS_IMP_APL_L2C_ERR_INF));
msr(SYS_IMP_APL_L2C_ERR_STS, l2c_err_sts); // Clear the flag bits
if (is_ecore()) {
printf("E_LSU_ERR_STS: 0x%lx\n", mrs(SYS_IMP_APL_E_LSU_ERR_STS));
printf("E_FED_ERR_STS: 0x%lx\n", mrs(SYS_IMP_APL_E_FED_ERR_STS));
@ -251,6 +247,9 @@ void exc_sync(u64 *regs)
if (!(exc_guard & GUARD_SILENT))
print_regs(regs, el12);
u64 l2c_err_sts = mrs(SYS_IMP_APL_L2C_ERR_STS);
msr(SYS_IMP_APL_L2C_ERR_STS, l2c_err_sts); // Clear the L2C_ERR flag bits
switch (exc_guard & GUARD_TYPE_MASK) {
case GUARD_SKIP:
elr = mrs(ELR_EL1) + 4;