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-rw-r--r--src/arch/x86/Makefile.inc34
-rw-r--r--src/arch/x86/bootblock_simple.c5
-rw-r--r--src/arch/x86/car.ld5
-rw-r--r--src/arch/x86/include/arch/early_variables.h17
-rw-r--r--src/arch/x86/include/arch/header.ld23
-rw-r--r--src/arch/x86/include/arch/memlayout.h4
-rw-r--r--src/arch/x86/memlayout.ld7
-rw-r--r--src/console/Makefile.inc1
-rw-r--r--src/cpu/x86/lapic/Makefile.inc1
-rw-r--r--src/cpu/x86/tsc/Makefile.inc1
-rw-r--r--src/device/Makefile.inc1
-rw-r--r--src/drivers/pc80/tpm/Makefile.inc1
-rw-r--r--src/drivers/uart/Makefile.inc2
-rw-r--r--src/lib/Makefile.inc2
-rw-r--r--src/vendorcode/google/chromeos/vboot2/Kconfig2
15 files changed, 98 insertions, 8 deletions
diff --git a/src/arch/x86/Makefile.inc b/src/arch/x86/Makefile.inc
index 56b176d6b6..9b3101dc77 100644
--- a/src/arch/x86/Makefile.inc
+++ b/src/arch/x86/Makefile.inc
@@ -145,6 +145,9 @@ $(1)-y += memlayout.ld
$(1)-y += assembly_entry.S
$$(obj)/arch/x86/assembly_entry.$(1).o: $(objgenerated)/assembly.inc
+# The '.' include path is needed for the generated assembly.inc file.
+$(1)-S-ccopts += -I.
+
$$(objcbfs)/$(1).debug: $$$$($(1)-libs) $$$$($(1)-objs)
@printf " LINK $$(subst $$(obj)/,,$$(@))\n"
$$(LD_$(1)) $$(LDFLAGS_$(1)) -o $$@ -L$$(obj) $$(COMPILER_RT_FLAGS_$(1)) --whole-archive --start-group $$(filter-out %.ld,$$($(1)-objs)) $$($(1)-libs) --no-whole-archive $$(COMPILER_RT_$(1)) --end-group -T $$(obj)/arch/x86/memlayout.$(1).ld --oformat $(2)
@@ -157,6 +160,35 @@ $$(objcbfs)/$(1).debug: $$$$($(1)-libs) $$$$($(1)-objs)
endef
###############################################################################
+# verstage
+###############################################################################
+
+ifeq ($(CONFIG_ARCH_VERSTAGE_X86_32)$(CONFIG_ARCH_VERSTAGE_X86_64),y)
+
+verstage-y += boot.c
+
+verstage-$(CONFIG_ARCH_RAMSTAGE_X86_32) += cpu_common.c
+verstage-y += memset.c
+verstage-y += memcpy.c
+verstage-y += memmove.c
+verstage-y += mmap_boot.c
+
+verstage-$(CONFIG_COLLECT_TIMESTAMPS) += timestamp.c
+
+verstage-libs += $(objgenerated)/libverstage.a
+
+ifeq ($(CONFIG_ARCH_VERSTAGE_X86_32),y)
+$(eval $(call early_x86_stage,verstage,elf32-i386))
+else
+$(eval $(call early_x86_stage,verstage,elf64-x86-64))
+endif
+
+# Verstage on x86 expected to be xip.
+CBFSTOOL_VERSTAGE_OPTS = -a 64 --xip -S ".car.data"
+
+endif # CONFIG_ARCH_VERSTAGE_X86_32 / CONFIG_ARCH_VERSTAGE_X86_64
+
+###############################################################################
# romstage
###############################################################################
@@ -211,7 +243,7 @@ $(eval $(call early_x86_stage,romstage,elf64-x86-64))
endif
# Compiling crt0 with -g seems to trigger https://sourceware.org/bugzilla/show_bug.cgi?id=6428
-romstage-S-ccopts += -I. -g0
+romstage-S-ccopts += -g0
endif # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64
diff --git a/src/arch/x86/bootblock_simple.c b/src/arch/x86/bootblock_simple.c
index adeecf7ba6..bb0591fb53 100644
--- a/src/arch/x86/bootblock_simple.c
+++ b/src/arch/x86/bootblock_simple.c
@@ -15,7 +15,12 @@ static void main(unsigned long bist)
#endif
}
+#if CONFIG_SEPARATE_VERSTAGE
+ const char* target1 = "fallback/verstage";
+#else
const char* target1 = "fallback/romstage";
+#endif
+
unsigned long entry;
entry = findstage(target1);
if (entry) call(entry, bist);
diff --git a/src/arch/x86/car.ld b/src/arch/x86/car.ld
index 5da9dcf32f..fa297162a0 100644
--- a/src/arch/x86/car.ld
+++ b/src/arch/x86/car.ld
@@ -22,6 +22,11 @@
/* This file is included inside a SECTIONS block */
. = CONFIG_DCACHE_RAM_BASE;
.car.data . (NOLOAD) : {
+ /* Vboot work buffer is completely volatile outside of verstage and
+ * romstage. Appropriate code needs to handle the transition. */
+#if IS_ENABLED(CONFIG_SEPARATE_VERSTAGE)
+ VBOOT2_WORK(., 16K)
+#endif
/* The pre-ram cbmem console as well as the timestamp region are fixed
* in size. Therefore place them at the beginning .car.data section
* so that multiple stages (romstage and verstage) have a consistent
diff --git a/src/arch/x86/include/arch/early_variables.h b/src/arch/x86/include/arch/early_variables.h
index 7ccb340cf4..8a69fca9a0 100644
--- a/src/arch/x86/include/arch/early_variables.h
+++ b/src/arch/x86/include/arch/early_variables.h
@@ -21,6 +21,7 @@
#define ARCH_EARLY_VARIABLES_H
#include <stdlib.h>
+#include <rules.h>
#if defined(__PRE_RAM__) && IS_ENABLED(CONFIG_CACHE_AS_RAM)
asm(".section .car.global_data,\"w\",@nobits");
@@ -31,11 +32,27 @@ asm(".previous");
#define CAR_GLOBAL __attribute__((used,section(".car.global_data#")))
#endif /* __clang__ */
+/*
+ * On x86 verstage, all CAR_GLOBAL variables are accessed unconditionally
+ * because cbmem is never initialized until romstage when dram comes up.
+ */
+#if ENV_VERSTAGE
+static inline void *car_get_var_ptr(void *var)
+{
+ return var;
+}
+
+static inline void *car_sync_var_ptr(void *var)
+{
+ return var;
+}
+#else
/* Get the correct pointer for the CAR global variable. */
void *car_get_var_ptr(void *var);
/* Get and update a CAR_GLOBAL pointing elsewhere in car.global_data*/
void *car_sync_var_ptr(void *var);
+#endif /* ENV_VERSTAGE */
/* Get and set a primitive type global variable. */
#define car_get_var(var) \
diff --git a/src/arch/x86/include/arch/header.ld b/src/arch/x86/include/arch/header.ld
index 0262c9208d..ca9b50a326 100644
--- a/src/arch/x86/include/arch/header.ld
+++ b/src/arch/x86/include/arch/header.ld
@@ -24,8 +24,23 @@ PHDRS
to_load PT_LOAD;
}
-#if ENV_RAMSTAGE || ENV_RMODULE
-ENTRY(_start)
-#elif ENV_ROMSTAGE
-ENTRY(protected_start)
+/*
+ * For CONFIG_SEPARATE_VERSTAGE romstage doesn't have the cache-as-ram setup.
+ * It only contains the teardown code. The verstage has the cache-as-ram setup
+ * code. Therefore, it needs the protected_start symbol as its entry point.
+ * The romstage entry will be named _start for consistency, but it's likely
+ * to be implemented in the chipset code in order to control the logic flow.
+ */
+#if IS_ENABLED(CONFIG_SEPARATE_VERSTAGE)
+ #if ENV_RAMSTAGE || ENV_RMODULE || ENV_ROMSTAGE
+ ENTRY(_start)
+ #elif ENV_VERSTAGE
+ ENTRY(protected_start)
+ #endif
+#else
+ #if ENV_RAMSTAGE || ENV_RMODULE
+ ENTRY(_start)
+ #elif ENV_ROMSTAGE
+ ENTRY(protected_start)
+ #endif
#endif
diff --git a/src/arch/x86/include/arch/memlayout.h b/src/arch/x86/include/arch/memlayout.h
index 91cfc8e064..18e10e2cf3 100644
--- a/src/arch/x86/include/arch/memlayout.h
+++ b/src/arch/x86/include/arch/memlayout.h
@@ -22,8 +22,8 @@
#include <rules.h>
-#if ENV_ROMSTAGE
-/* No .data or .bss in romstage. Cache as ram is handled separately. */
+#if ENV_ROMSTAGE || ENV_VERSTAGE
+/* No .data or .bss sections. Cache as ram is handled separately. */
#define ARCH_STAGE_HAS_DATA_SECTION 0
#define ARCH_STAGE_HAS_BSS_SECTION 0
#endif
diff --git a/src/arch/x86/memlayout.ld b/src/arch/x86/memlayout.ld
index 475f9bc912..f6a8dc0f19 100644
--- a/src/arch/x86/memlayout.ld
+++ b/src/arch/x86/memlayout.ld
@@ -39,5 +39,12 @@ SECTIONS
/* Pull in the cache-as-ram rules. */
#include "car.ld"
+#elif ENV_VERSTAGE
+ /* The 1M size is not allocated. It's just for basic size checking.
+ * Link at 32MiB address and rely on cbfstool to relocate to XIP. */
+ VERSTAGE(32M, 1M)
+
+ /* Pull in the cache-as-ram rules. */
+ #include "car.ld"
#endif
}
diff --git a/src/console/Makefile.inc b/src/console/Makefile.inc
index 60760a04c8..a5f4318734 100644
--- a/src/console/Makefile.inc
+++ b/src/console/Makefile.inc
@@ -10,6 +10,7 @@ verstage-y += init.c
verstage-y += printk.c
verstage-y += vtxprintf.c
verstage-y += console.c
+verstage-y += post.c
verstage-y += die.c
romstage-y += vtxprintf.c printk.c
diff --git a/src/cpu/x86/lapic/Makefile.inc b/src/cpu/x86/lapic/Makefile.inc
index 3061024f39..1deec3f25f 100644
--- a/src/cpu/x86/lapic/Makefile.inc
+++ b/src/cpu/x86/lapic/Makefile.inc
@@ -3,5 +3,6 @@ ramstage-y += lapic_cpu_init.c
ramstage-y += secondary.S
romstage-$(CONFIG_UDELAY_LAPIC) += apic_timer.c
ramstage-$(CONFIG_UDELAY_LAPIC) += apic_timer.c
+verstage-y += boot_cpu.c
romstage-y += boot_cpu.c
ramstage-y += boot_cpu.c
diff --git a/src/cpu/x86/tsc/Makefile.inc b/src/cpu/x86/tsc/Makefile.inc
index 600f3131b7..bbebda9172 100644
--- a/src/cpu/x86/tsc/Makefile.inc
+++ b/src/cpu/x86/tsc/Makefile.inc
@@ -1,5 +1,6 @@
ramstage-$(CONFIG_UDELAY_TSC) += delay_tsc.c
romstage-$(CONFIG_TSC_CONSTANT_RATE) += delay_tsc.c
+verstage-$(CONFIG_TSC_CONSTANT_RATE) += delay_tsc.c
ifeq ($(CONFIG_HAVE_SMI_HANDLER),y)
smm-$(CONFIG_TSC_CONSTANT_RATE) += delay_tsc.c
endif
diff --git a/src/device/Makefile.inc b/src/device/Makefile.inc
index 1e19a7cdc9..c2ade9675f 100644
--- a/src/device/Makefile.inc
+++ b/src/device/Makefile.inc
@@ -19,6 +19,7 @@ ifeq ($(CONFIG_AZALIA_PLUGIN_SUPPORT),y)
ramstage-srcs += src/mainboard/$(MAINBOARDDIR)/hda_verb.c
endif
+verstage-y += device_romstage.c
romstage-y += device_romstage.c
romstage-$(CONFIG_PCI) += pci_early.c
diff --git a/src/drivers/pc80/tpm/Makefile.inc b/src/drivers/pc80/tpm/Makefile.inc
index 089d0677fa..697842fa03 100644
--- a/src/drivers/pc80/tpm/Makefile.inc
+++ b/src/drivers/pc80/tpm/Makefile.inc
@@ -1,3 +1,4 @@
+verstage-$(CONFIG_LPC_TPM) += tpm.c
romstage-$(CONFIG_LPC_TPM) += tpm.c
ramstage-$(CONFIG_LPC_TPM) += tpm.c
romstage-$(CONFIG_LPC_TPM) += romstage.c
diff --git a/src/drivers/uart/Makefile.inc b/src/drivers/uart/Makefile.inc
index 509837ec3f..91cc190329 100644
--- a/src/drivers/uart/Makefile.inc
+++ b/src/drivers/uart/Makefile.inc
@@ -11,12 +11,14 @@ smm-$(CONFIG_DEBUG_SMI) += util.c
# be located in the soc/ or cpu/ directories instead of here.
ifeq ($(CONFIG_DRIVERS_UART_8250IO),y)
+verstage-y += uart8250io.c
romstage-y += uart8250io.c
ramstage-y += uart8250io.c
smm-$(CONFIG_DEBUG_SMI) += uart8250io.c
endif
ifeq ($(CONFIG_DRIVERS_UART_8250MEM),y)
+verstage-y += uart8250mem.c
romstage-y += uart8250mem.c
ramstage-y += uart8250mem.c
smm-$(CONFIG_DEBUG_SMI) += uart8250mem.c
diff --git a/src/lib/Makefile.inc b/src/lib/Makefile.inc
index b6707820e4..f9a23c5235 100644
--- a/src/lib/Makefile.inc
+++ b/src/lib/Makefile.inc
@@ -88,6 +88,7 @@ endif
romstage-y += compute_ip_checksum.c
ifeq ($(CONFIG_COMPILER_GCC),y)
+verstage-$(CONFIG_ARCH_VERSTAGE_X86_32) += gcc.c
romstage-$(CONFIG_ARCH_ROMSTAGE_X86_32) += gcc.c
ramstage-$(CONFIG_ARCH_RAMSTAGE_X86_32) += gcc.c
smm-$(CONFIG_ARCH_RAMSTAGE_X86_32) += gcc.c
@@ -140,6 +141,7 @@ ramstage-y += imd.c
ramstage-y += hexdump.c
romstage-y += hexdump.c
+verstage-$(CONFIG_REG_SCRIPT) += reg_script.c
romstage-$(CONFIG_REG_SCRIPT) += reg_script.c
ramstage-$(CONFIG_REG_SCRIPT) += reg_script.c
diff --git a/src/vendorcode/google/chromeos/vboot2/Kconfig b/src/vendorcode/google/chromeos/vboot2/Kconfig
index 33c33a5e7c..930b0099a0 100644
--- a/src/vendorcode/google/chromeos/vboot2/Kconfig
+++ b/src/vendorcode/google/chromeos/vboot2/Kconfig
@@ -125,7 +125,7 @@ config VBOOT_BL31_INDEX
config VBOOT_DYNAMIC_WORK_BUFFER
bool "Vboot's work buffer is dynamically allocated."
- default y if ARCH_ROMSTAGE_X86_32
+ default y if ARCH_ROMSTAGE_X86_32 && !SEPARATE_VERSTAGE
default n
depends on VBOOT_VERIFY_FIRMWARE
help
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 16:27:40 +0000