diff options
Diffstat (limited to 'src/lib/cbmem.c')
| -rw-r--r-- | src/lib/cbmem.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/lib/cbmem.c b/src/lib/cbmem.c index f5c3d3a811..659784079b 100644 --- a/src/lib/cbmem.c +++ b/src/lib/cbmem.c @@ -118,6 +118,22 @@ void *cbmem_add(u32 id, u64 size) { struct cbmem_entry *cbmem_toc; int i; + void *p; + + /* + * This could be a restart, check if the section is there already. It + * is remotely possible that the dram contents persisted over the + * bootloader upgrade AND the same section now needs more room, but + * this is quite a remote possibility and it is ignored here. + */ + p = cbmem_find(id); + if (p) { + printk(BIOS_NOTICE, + "CBMEM section %x: using existing location at %p.\n", + id, p); + return p; + } + cbmem_toc = get_cbmem_toc(); if (cbmem_toc == NULL) { @@ -240,6 +256,7 @@ void cbmem_list(void) case CBMEM_ID_MPTABLE: printk(BIOS_DEBUG, "SMP TABLE "); break; case CBMEM_ID_RESUME: printk(BIOS_DEBUG, "ACPI RESUME"); break; case CBMEM_ID_SMBIOS: printk(BIOS_DEBUG, "SMBIOS "); break; + case CBMEM_ID_TIMESTAMP: printk(BIOS_DEBUG, "TIME STAMP "); break; default: printk(BIOS_DEBUG, "%08x ", cbmem_toc[i].id); } printk(BIOS_DEBUG, "%08llx ", cbmem_toc[i].base); |