diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Kconfig | 14 | ||||
| -rw-r--r-- | src/arch/x86/Makefile.inc | 5 | ||||
| -rw-r--r-- | src/arch/x86/gdt.c | 52 | ||||
| -rw-r--r-- | src/arch/x86/memlayout.ld | 3 | ||||
| -rw-r--r-- | src/lib/prog_loaders.c | 7 | ||||
| -rw-r--r-- | src/security/memory/Kconfig | 5 | ||||
| -rw-r--r-- | src/security/memory/memory_clear.c | 3 |
7 files changed, 8 insertions, 81 deletions
diff --git a/src/Kconfig b/src/Kconfig index eb85cd955f..a4c2fa6010 100644 --- a/src/Kconfig +++ b/src/Kconfig @@ -270,20 +270,9 @@ config UBSAN say N because it adds a small performance penalty and may abort on code that happens to work in spite of the UB. -config RELOCATABLE_RAMSTAGE - bool - default y if ARCH_X86 - select RELOCATABLE_MODULES - help - The reloctable ramstage support allows for the ramstage to be built - as a relocatable module. The stage loader can identify a place - out of the OS way so that copying memory is unnecessary during an S3 - wake. When selecting this option the romstage is responsible for - determing a stack location to use for loading the ramstage. - choice prompt "Stage Cache for ACPI S3 resume" - default NO_STAGE_CACHE if !HAVE_ACPI_RESUME || !RELOCATABLE_RAMSTAGE + default NO_STAGE_CACHE if !HAVE_ACPI_RESUME default TSEG_STAGE_CACHE if SMM_TSEG config NO_STAGE_CACHE @@ -576,7 +565,6 @@ source "src/console/Kconfig" config HAVE_ACPI_RESUME bool default n - depends on RELOCATABLE_RAMSTAGE config DISABLE_ACPI_HIBERNATE bool diff --git a/src/arch/x86/Makefile.inc b/src/arch/x86/Makefile.inc index b5352e7ab5..2adb294031 100644 --- a/src/arch/x86/Makefile.inc +++ b/src/arch/x86/Makefile.inc @@ -245,7 +245,6 @@ ramstage-y += cpu_common.c ramstage-y += ebda.c ramstage-y += exception.c ramstage-y += idt.S -ramstage-y += gdt.c ramstage-$(CONFIG_IOAPIC) += ioapic.c ramstage-y += memcpy.c ramstage-y += memmove.c @@ -291,14 +290,10 @@ endif ramstage-libs ?= -ifeq ($(CONFIG_RELOCATABLE_RAMSTAGE),y) - # The rmodule_link definition creates an elf file with .rmod extension. $(objcbfs)/ramstage.elf: $(objcbfs)/ramstage.debug.rmod cp $< $@ -endif - $(objcbfs)/ramstage.debug: $(objgenerated)/ramstage.o $(call src-to-obj,ramstage,$(CONFIG_MEMLAYOUT_LD_FILE)) @printf " CC $(subst $(obj)/,,$(@))\n" $(LD_ramstage) $(CPPFLAGS) $(LDFLAGS_ramstage) -o $@ -L$(obj) $< -T $(call src-to-obj,ramstage,$(CONFIG_MEMLAYOUT_LD_FILE)) diff --git a/src/arch/x86/gdt.c b/src/arch/x86/gdt.c deleted file mode 100644 index 9c855664cf..0000000000 --- a/src/arch/x86/gdt.c +++ /dev/null @@ -1,52 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ - -#include <types.h> -#include <string.h> -#include <cbmem.h> -#include <commonlib/helpers.h> -#include <console/console.h> -#include <cpu/x86/gdt.h> - -/* i386 lgdt argument */ -struct gdtarg { - u16 limit; -#ifdef __x86_64__ - u64 base; -#else - u32 base; -#endif -} __packed; - -/* - * Copy GDT to new location and reload it. - * FIXME: We only do this for BSP CPU. - */ -static void move_gdt(int is_recovery) -{ - void *newgdt; - u16 num_gdt_bytes; - struct gdtarg gdtarg; - - /* ramstage is already in high memory. No need to use a new gdt. */ - if (CONFIG(RELOCATABLE_RAMSTAGE)) - return; - - newgdt = cbmem_find(CBMEM_ID_GDT); - num_gdt_bytes = (uintptr_t)&gdt_end - (uintptr_t)&gdt; - if (!newgdt) { - newgdt = cbmem_add(CBMEM_ID_GDT, ALIGN_UP(num_gdt_bytes, 512)); - if (!newgdt) { - printk(BIOS_ERR, "Error: Could not relocate GDT.\n"); - return; - } - memcpy((void *)newgdt, &gdt, num_gdt_bytes); - } - printk(BIOS_DEBUG, "Moving GDT to %p...", newgdt); - - gdtarg.base = (uintptr_t)newgdt; - gdtarg.limit = num_gdt_bytes - 1; - - __asm__ __volatile__ ("lgdt %0\n\t" : : "m" (gdtarg)); - printk(BIOS_DEBUG, "ok\n"); -} -RAMSTAGE_CBMEM_INIT_HOOK(move_gdt) diff --git a/src/arch/x86/memlayout.ld b/src/arch/x86/memlayout.ld index 12974ca09a..3659cc9f96 100644 --- a/src/arch/x86/memlayout.ld +++ b/src/arch/x86/memlayout.ld @@ -13,8 +13,7 @@ SECTIONS * conditionalize with macros. */ #if ENV_RAMSTAGE - RAMSTAGE(CONFIG_RAMBASE, (CONFIG(RELOCATABLE_RAMSTAGE) ? 8M : - CONFIG_RAMTOP - CONFIG_RAMBASE)) + RAMSTAGE(CONFIG_RAMBASE, 8M) #elif ENV_ROMSTAGE /* The 1M size is not allocated. It's just for basic size checking. diff --git a/src/lib/prog_loaders.c b/src/lib/prog_loaders.c index 69e81cda72..419f4cd834 100644 --- a/src/lib/prog_loaders.c +++ b/src/lib/prog_loaders.c @@ -129,10 +129,9 @@ void run_ramstage(void) timestamp_add_now(TS_START_COPYRAM); - if (CONFIG(RELOCATABLE_RAMSTAGE)) { - if (load_relocatable_ramstage(&ramstage)) - goto fail; - } else if (cbfs_prog_stage_load(&ramstage)) + if (ENV_X86 && load_relocatable_ramstage(&ramstage)) + goto fail; + else if (cbfs_prog_stage_load(&ramstage)) goto fail; stage_cache_add(STAGE_RAMSTAGE, &ramstage); diff --git a/src/security/memory/Kconfig b/src/security/memory/Kconfig index 5104f34069..d3dec043df 100644 --- a/src/security/memory/Kconfig +++ b/src/security/memory/Kconfig @@ -4,9 +4,8 @@ menu "Memory initialization" config PLATFORM_HAS_DRAM_CLEAR bool - default y if ARCH_X86 - default n - depends on RELOCATABLE_RAMSTAGE + default y + depends on ARCH_X86 help Selected by platforms that support clearing all DRAM after DRAM initialization. diff --git a/src/security/memory/memory_clear.c b/src/security/memory/memory_clear.c index 031ca84abe..557125dcf8 100644 --- a/src/security/memory/memory_clear.c +++ b/src/security/memory/memory_clear.c @@ -77,8 +77,7 @@ static void clear_memory(void *unused) void *baseptr = NULL; size_t size = 0; - /* Only skip CBMEM, as RELOCATABLE_RAMSTAGE is a requirement, no need - * to separately protect stack or heap */ + /* Only skip CBMEM, stage program, stack and heap are included there. */ cbmem_get_region(&baseptr, &size); memranges_insert(&mem, (uintptr_t)baseptr, size, BM_MEM_TABLE); |