diff options
Diffstat (limited to 'src/arch/x86')
| -rw-r--r-- | src/arch/x86/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/arch/x86/assembly_entry.S | 8 |
2 files changed, 10 insertions, 0 deletions
diff --git a/src/arch/x86/Makefile.inc b/src/arch/x86/Makefile.inc index 3949e3afa4..e91ddac82d 100644 --- a/src/arch/x86/Makefile.inc +++ b/src/arch/x86/Makefile.inc @@ -154,6 +154,8 @@ romstage-$(CONFIG_X86_TOP4G_BOOTMEDIA_MAP) += mmap_boot.c romstage-y += postcar_loader.c romstage-$(CONFIG_COLLECT_TIMESTAMPS_TSC) += timestamp.c romstage-$(CONFIG_HAVE_CF9_RESET) += cf9_reset.c +romstage-$(CONFIG_COOP_MULTITASKING) += thread.c +romstage-$(CONFIG_COOP_MULTITASKING) += thread_switch.S romstage-srcs += $(wildcard $(src)/mainboard/$(MAINBOARDDIR)/romstage.c) romstage-libs ?= diff --git a/src/arch/x86/assembly_entry.S b/src/arch/x86/assembly_entry.S index 6e730273f8..b0e15dc700 100644 --- a/src/arch/x86/assembly_entry.S +++ b/src/arch/x86/assembly_entry.S @@ -35,6 +35,14 @@ _start: /* reset stack pointer to CAR/EARLYRAM stack */ mov $_STACK_TOP, %esp +#if CONFIG(COOP_MULTITASKING) + /* Push the thread pointer. */ + push $0 +#endif + /* Push the CPU index and struct CPU */ + push $0 + push $0 + /* clear .bss section as it is not shared */ cld xor %eax, %eax |