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Add UEFI support

Browse source 
This is mutually exclusive with Windows support. Documentation for how
to use it has been written in libc/runtime/efimain.c
This commit is contained in:
Justine Tunney 2021-02-21 16:26:36 -08:00 • committed by Justine Tunney
parent c6c9b5dfde
commit 537c21338b
24 changed files with 1381 additions and 391 deletions
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4
libc/dce.h
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@ -20,6 +20,7 @@
#define OPENBSD 16
#define FREEBSD 32
#define NETBSD 64
#define UEFI 128
#ifdef NDEBUG
#define NoDebug() 1
@ -72,6 +73,7 @@
#define SupportsLinux() ((SUPPORT_VECTOR & LINUX) == LINUX)
#define SupportsMetal() ((SUPPORT_VECTOR & METAL) == METAL)
#define SupportsWindows() ((SUPPORT_VECTOR & WINDOWS) == WINDOWS)
#define SupportsUefi() ((SUPPORT_VECTOR & UEFI) == UEFI)
#define SupportsXnu() ((SUPPORT_VECTOR & XNU) == XNU)
#define SupportsFreebsd() ((SUPPORT_VECTOR & FREEBSD) == FREEBSD)
#define SupportsOpenbsd() ((SUPPORT_VECTOR & OPENBSD) == OPENBSD)
@ -84,6 +86,7 @@
#define IsLinux() (SupportsLinux() && (__hostos & LINUX))
#define IsMetal() (SupportsMetal() && (__hostos & METAL))
#define IsWindows() (SupportsWindows() && (__hostos & WINDOWS))
#define IsUefi() (SupportsUefi() && (__hostos & UEFI))
#define IsXnu() (SupportsXnu() && (__hostos & XNU))
#define IsFreebsd() (SupportsFreebsd() && (__hostos & FREEBSD))
#define IsOpenbsd() (SupportsOpenbsd() && (__hostos & OPENBSD))
@ -94,6 +97,7 @@
#define IsLinux() $LINUX,__hostos(%rip)
#define IsMetal() $METAL,__hostos(%rip)
#define IsWindows() $WINDOWS,__hostos(%rip)
#define IsUefi() $UEFI,__hostos(%rip)
#define IsBsd() $XNU|FREEBSD|OPENBSD|NETBSD,__hostos(%rip)
#define IsXnu() $XNU,__hostos(%rip)
#define IsFreebsd() $FREEBSD,__hostos(%rip)