[coreboot-gerrit] Change in coreboot[master]: arch/x86: Implement cpu_info in C code

[Tim Wawrzynczak (Code Review)]

Attention is currently required from: Arthur Heymans, Furquan Shaikh, Paul Menzel.
Tim Wawrzynczak has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/57049 )

Change subject: arch/x86: Implement cpu_info in C code
......................................................................

Patch Set 2:

(1 comment)

File src/arch/x86/include/arch/cpu.h:

https://review.coreboot.org/c/coreboot/+/57049/comment/100a4484_47fcb0e6 
PS2, Line 237: return ALIGN_UP(&s, CONFIG_STACK_SIZE) - sizeof(struct cpu_info);
Oh C's type system....

this compiles:
```
char s;
uintptr_t stack = (uintptr_t)&s;
uintptr_t cpu_info = ALIGN_UP(stack, CONFIG_STACK_SIZE) - sizeof(struct cpu_info);
return (struct cpu_info *)cpu_info;
```