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author | Arthur Heymans <arthur@aheymans.xyz> | 2019-10-26 20:31:41 +0200 |
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committer | Arthur Heymans <arthur@aheymans.xyz> | 2019-11-10 15:38:45 +0000 |
commit | 8b7cd43d5d5af1d192b0bbe34e6aff776df90a0f (patch) | |
tree | 71ec6dc46b938175c3fa8a2ead1985667f730424 /src/arch/x86/tables.c | |
parent | 005e25de0fe79d3aa72062279b9642d21cc9916c (diff) | |
download | coreboot-8b7cd43d5d5af1d192b0bbe34e6aff776df90a0f.tar.xz |
arch/x86: Remove EARLY_EBDA_INIT support
This is unused now.
Change-Id: Ie8bc1d6761d66c5e1dda40c34c940cdba90646d2
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36363
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michael Niewöhner
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/arch/x86/tables.c')
-rw-r--r-- | src/arch/x86/tables.c | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/src/arch/x86/tables.c b/src/arch/x86/tables.c index ddb0710c8a..8ecf86dc3f 100644 --- a/src/arch/x86/tables.c +++ b/src/arch/x86/tables.c @@ -194,41 +194,6 @@ static unsigned long write_smbios_table(unsigned long rom_table_end) #define FORWARDING_TABLE_ADDR ((uintptr_t)0x500) static uintptr_t forwarding_table = FORWARDING_TABLE_ADDR; -/* - * For EARLY_EBDA_INIT the BDA area will be wiped on the resume path which - * has the forwarding table entry. Therefore, when tables are written an - * entry is placed in cbmem that can be restored on OS resume to the proper - * location. - */ -static void stash_forwarding_table(uintptr_t addr, size_t sz) -{ - void *cbmem_addr = cbmem_add(CBMEM_ID_CBTABLE_FWD, sz); - - if (cbmem_addr == NULL) { - printk(BIOS_ERR, "Unable to allocate CBMEM forwarding entry.\n"); - return; - } - - memcpy(cbmem_addr, (void *)addr, sz); -} - -static void restore_forwarding_table(void *dest) -{ - const struct cbmem_entry *fwd_entry; - - fwd_entry = cbmem_entry_find(CBMEM_ID_CBTABLE_FWD); - - if (fwd_entry == NULL) { - printk(BIOS_ERR, "Unable to restore CBMEM forwarding entry.\n"); - return; - } - - memcpy(dest, cbmem_entry_start(fwd_entry), cbmem_entry_size(fwd_entry)); -} - -BOOT_STATE_INIT_ENTRY(BS_OS_RESUME, BS_ON_ENTRY, - restore_forwarding_table, (void *)FORWARDING_TABLE_ADDR); - void arch_write_tables(uintptr_t coreboot_table) { size_t sz; @@ -250,8 +215,6 @@ void arch_write_tables(uintptr_t coreboot_table) sz = write_coreboot_forwarding_table(forwarding_table, coreboot_table); - stash_forwarding_table(forwarding_table, sz); - forwarding_table += sz; /* Align up to page boundary for historical consistency. */ forwarding_table = ALIGN_UP(forwarding_table, 4*KiB); |