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authorPatrick Rudolph <patrick.rudolph@9elements.com>2023-09-07 09:59:41 +0200
committerMartin L Roth <gaumless@gmail.com>2023-09-12 16:26:54 +0000
commitf372c40b90dd770d22dbc7350d6a09ca29cdb9c8 (patch)
tree4a1d5920584d2b05185df72e4d613a407dc92190 /src/arch
parentba7a9eefcf4e571bc73d4be1141f676fc5547057 (diff)
x86/tables: Upgrade error to critical
When more ACPI tables are written than space is available in CBMEM, the buffer overflow corrupts other CBMEM tables and a successful boot is unlikely. Upgrade the error message to critical and be more precise what to do. Change-Id: I152842945f552905729265f7d623cd581dd0a8d0 Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/77714 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Naresh <naresh.solanki.2011@gmail.com>
Diffstat (limited to 'src/arch')
-rw-r--r--src/arch/x86/tables.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/arch/x86/tables.c b/src/arch/x86/tables.c
index 1cff61436d..273263820b 100644
--- a/src/arch/x86/tables.c
+++ b/src/arch/x86/tables.c
@@ -101,8 +101,10 @@ static unsigned long write_acpi_table(unsigned long rom_table_end)
rom_table_end = ALIGN_UP(rom_table_end, 16);
new_high_table_pointer = write_acpi_tables(high_table_pointer);
if (new_high_table_pointer > (high_table_pointer
- + max_acpi_size))
- printk(BIOS_ERR, "Increase ACPI size\n");
+ + max_acpi_size)) {
+ printk(BIOS_CRIT, "ACPI tables overflowed and corrupted CBMEM!\n");
+ printk(BIOS_ERR, "Increase config MAX_ACPI_TABLE_SIZE_KB!\n");
+ }
printk(BIOS_DEBUG, "ACPI tables: %ld bytes.\n",
new_high_table_pointer - high_table_pointer);