diff options
Diffstat (limited to 'src/arch/x86/bootblock_crt0.S')
| -rw-r--r-- | src/arch/x86/bootblock_crt0.S | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/src/arch/x86/bootblock_crt0.S b/src/arch/x86/bootblock_crt0.S deleted file mode 100644 index 16daed1b54..0000000000 --- a/src/arch/x86/bootblock_crt0.S +++ /dev/null @@ -1,53 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * This is the modern bootblock. It prepares the system for C environment runtime - * setup. The actual setup is done by hardware-specific code. - * - * It provides a bootflow similar to other architectures, and thus is considered - * to be the modern approach. - * - */ - -#include <cpu/x86/cr.h> - -.section .init, "ax", @progbits - -/* - * Include the old code for reset vector and protected mode entry. That code has - * withstood the test of time. - */ -#include <cpu/x86/32bit/entry32.inc> - -#if CONFIG(BOOTBLOCK_DEBUG_SPINLOOP) - - /* Wait for a JTAG debugger to break in and set EBX non-zero */ - xor %ebx, %ebx - -debug_spinloop: - cmp $0, %ebx - jz debug_spinloop -#endif - -bootblock_protected_mode_entry: - -#if !CONFIG(USE_MARCH_586) - /* MMX registers required here */ - - /* BIST result in eax */ - movd %eax, %mm0 - - /* Get an early timestamp */ - rdtsc - movd %eax, %mm1 - movd %edx, %mm2 -#endif - -#if CONFIG(SSE) -enable_sse: - mov %cr4, %eax - or $CR4_OSFXSR, %ax - mov %eax, %cr4 -#endif /* CONFIG(SSE) */ - - /* We're done. Now it's up to platform-specific code */ - jmp bootblock_pre_c_entry |