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NOVA-microhypervisor
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BUILD: Fixed linker errors.

This commit is contained in:
Udo Steinberg 2019-02-11 13:16:02 +01:00
parent 3b8c5cf935
commit c28daeace7
5 changed files with 55 additions and 48 deletions
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8
include/extern.hpp
View File

@ -4,7 +4,8 @@
* Copyright (C) 2009-2011 Udo Steinberg <udo@hypervisor.org>
* Economic rights: Technische Universitaet Dresden (Germany)
*
* Copyright (C) 2012 Udo Steinberg, Intel Corporation.
* Copyright (C) 2012-2013 Udo Steinberg, Intel Corporation.
* Copyright (C) 2019-2025 Udo Steinberg, BlueRock Security, Inc.
*
* This file is part of the NOVA microhypervisor.
*
@ -42,10 +43,7 @@ extern char OFFSET;
extern mword FIXUP_S;
extern mword FIXUP_E;
extern void (*CTORS_L)();
extern void (*CTORS_C)();
extern void (*CTORS_G)();
extern void (*CTORS_E)();
extern void (*CTORS_S[])(), (*CTORS_E[])(), (*CTORS_C[])(), (*CTORS_L[])();
extern char entry_sysenter;
extern char entry_vmx;

14
include/initprio.hpp
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@ -4,7 +4,8 @@
* Copyright (C) 2009-2011 Udo Steinberg <udo@hypervisor.org>
* Economic rights: Technische Universitaet Dresden (Germany)
*
* Copyright (C) 2012 Udo Steinberg, Intel Corporation.
* Copyright (C) 2012-2013 Udo Steinberg, Intel Corporation.
* Copyright (C) 2019-2025 Udo Steinberg, BlueRock Security, Inc.
*
* This file is part of the NOVA microhypervisor.
*
@ -20,10 +21,11 @@
#pragma once
#define AFTER(X) (X + 1)
// Lower numbers indicate a higher priority
#define AFTER(X) ((X) + 1)
#define PRIO_GLOBAL 100
#define PRIO_BUDDY AFTER (PRIO_GLOBAL)
#define PRIO_LIMIT 100
#define PRIO_BUDDY AFTER (PRIO_LIMIT)
#define PRIO_SLAB AFTER (PRIO_BUDDY)
#define PRIO_CONSOLE 0xfffd
#define PRIO_LOCAL 0xfffe
#define PRIO_CONSOLE 65533
#define PRIO_LOCAL 65534

2
src/cpu.cpp
View File

@ -184,7 +184,7 @@ void Cpu::setup_pcid()
void Cpu::init()
{
for (void (**func)() = &CTORS_L; func != &CTORS_C; (*func++)()) ;
for (auto func { CTORS_L }; func != CTORS_C; (*func++)()) ;
Gdt::build();
Tss::build();

75
src/hypervisor.ld
View File

@ -4,7 +4,8 @@
* Copyright (C) 2009-2011 Udo Steinberg <udo@hypervisor.org>
* Economic rights: Technische Universitaet Dresden (Germany)
*
* Copyright (C) 2012 Udo Steinberg, Intel Corporation.
* Copyright (C) 2012-2013 Udo Steinberg, Intel Corporation.
* Copyright (C) 2019-2025 Udo Steinberg, BlueRock Security, Inc.
*
* This file is part of the NOVA microhypervisor.
*
@ -31,29 +32,31 @@ ENTRY(__start_bsp)
PHDRS
{
init PT_LOAD;
kern PT_LOAD;
init PT_LOAD FLAGS (6);
kern PT_LOAD FLAGS (6);
}
SECTIONS
{
.init LOAD_ADDR :
. = LOAD_ADDR;
.init :
{
*(.init)
*(.initdata)
} : init = 0x90909090
} : init
. = ALIGN(4K) + 4K; PROVIDE (STACK = .);
. = ALIGN(4K) + 4K; PROVIDE_HIDDEN (STACK = .);
PROVIDE (LOAD_E = .);
PROVIDE_HIDDEN (LOAD_E = .);
OFFSET = LINK_ADDR - ALIGN (4M);
PROVIDE (LINK_P = LINK_ADDR - OFFSET);
PROVIDE_HIDDEN (LINK_P = LINK_ADDR - OFFSET);
.text LINK_ADDR : AT (ADDR (.text) - OFFSET)
{
*(.text.hot .text.hot.*)
*(.text .text.* .gnu.linkonce.t.*)
} : kern = 0x90909090
} : kern
.rodata : AT (ADDR (.rodata) - OFFSET)
{
@ -62,21 +65,25 @@ SECTIONS
.fixup : AT (ADDR (.fixup) - OFFSET)
{
PROVIDE (FIXUP_S = .);
PROVIDE_HIDDEN (FIXUP_S = .);
KEEP (*(.fixup))
PROVIDE (FIXUP_E = .);
PROVIDE_HIDDEN (FIXUP_E = .);
} : kern
.init_array : AT (ADDR (.init_array) - OFFSET)
{
PROVIDE (CTORS_L = .);
KEEP (SORT_BY_INIT_PRIORITY(*)(.init_array.65534 .ctors.00001))
PROVIDE (CTORS_C = .);
KEEP (SORT_BY_INIT_PRIORITY(*)(.init_array.65533 .ctors.00002))
PROVIDE (CTORS_G = .);
KEEP (SORT_BY_INIT_PRIORITY(*)(.init_array.* .ctors.*))
/*
* Portability note: Some compilers (e.g., on MacOS) still use
* .ctors instead of .init_array, so we need to handle both.
*/
PROVIDE_HIDDEN (CTORS_L = .);
KEEP (*(SORT_BY_INIT_PRIORITY (.init_array.65534) SORT_BY_INIT_PRIORITY (.ctors.00001)))
PROVIDE_HIDDEN (CTORS_C = .);
KEEP (*(SORT_BY_INIT_PRIORITY (.init_array.65533) SORT_BY_INIT_PRIORITY (.ctors.00002)))
PROVIDE_HIDDEN (CTORS_S = .);
KEEP (*(SORT_BY_INIT_PRIORITY (.init_array.*) SORT_BY_INIT_PRIORITY (.ctors.*)))
KEEP (*(.init_array .ctors))
PROVIDE (CTORS_E = .);
PROVIDE_HIDDEN (CTORS_E = .);
} : kern
.data : AT (ADDR (.data) - OFFSET)
@ -89,38 +96,38 @@ SECTIONS
*(.bss .bss.* .gnu.linkonce.b.*)
. = ALIGN(4K);
_mempool_l = .; PROVIDE (_mempool_p = _mempool_l - OFFSET);
_mempool_l = .; PROVIDE_HIDDEN (_mempool_p = _mempool_l - OFFSET);
PROVIDE (PAGE_0 = .); PROVIDE (FRAME_0 = . - OFFSET); . += 4K;
PROVIDE (PAGE_1 = .); PROVIDE (FRAME_1 = . - OFFSET); . += 4K;
PROVIDE (PAGE_H = .); PROVIDE (FRAME_H = . - OFFSET); . += 4K;
PROVIDE_HIDDEN (PAGE_0 = .); PROVIDE_HIDDEN (FRAME_0 = . - OFFSET); . += 4K;
PROVIDE_HIDDEN (PAGE_1 = .); PROVIDE_HIDDEN (FRAME_1 = . - OFFSET); . += 4K;
PROVIDE_HIDDEN (PAGE_H = .); PROVIDE_HIDDEN (FRAME_H = . - OFFSET); . += 4K;
PROVIDE (PDBR = . - OFFSET);
PROVIDE_HIDDEN (PDBR = . - OFFSET);
#ifdef __i386__
PROVIDE (LVL2L = . - OFFSET);
PROVIDE (LVL2H = . - OFFSET); . += 4K;
PROVIDE_HIDDEN (LVL2L = . - OFFSET);
PROVIDE_HIDDEN (LVL2H = . - OFFSET); . += 4K;
#else
PROVIDE (LVL4 = . - OFFSET); . += 4K;
PROVIDE (LVL3L = . - OFFSET); . += 4K;
PROVIDE (LVL3H = . - OFFSET); . += 4K;
PROVIDE (LVL2L = . - OFFSET); . += 4K;
PROVIDE (LVL2H = . - OFFSET); . += 4K;
PROVIDE_HIDDEN (LVL4 = . - OFFSET); . += 4K;
PROVIDE_HIDDEN (LVL3L = . - OFFSET); . += 4K;
PROVIDE_HIDDEN (LVL3H = . - OFFSET); . += 4K;
PROVIDE_HIDDEN (LVL2L = . - OFFSET); . += 4K;
PROVIDE_HIDDEN (LVL2H = . - OFFSET); . += 4K;
#endif
_mempool_f = .;
. += 16M;
. = ALIGN(4M);
PROVIDE (LINK_E = . - OFFSET);
PROVIDE_HIDDEN (LINK_E = . - OFFSET);
PROVIDE (_mempool_e = .);
PROVIDE_HIDDEN (_mempool_e = .);
} : kern
.cpulocal CPU_LOCAL_DATA :
{
SORT_BY_ALIGNMENT (*)(.cpulocal.hot)
SORT_BY_ALIGNMENT (*)(.cpulocal)
*(SORT_BY_ALIGNMENT (.cpulocal.hot))
*(SORT_BY_ALIGNMENT (.cpulocal))
}
/DISCARD/ :

4
src/init.cpp
View File

@ -57,11 +57,11 @@ void init (mword mbi)
memset (reinterpret_cast<void *>(&PAGE_0), 0, PAGE_SIZE);
memset (reinterpret_cast<void *>(&PAGE_1), ~0u, PAGE_SIZE);
for (void (**func)() = &CTORS_G; func != &CTORS_E; (*func++)()) ;
for (auto func { CTORS_S }; func != CTORS_E; (*func++)()) ;
Hip::hip->build (mbi);
for (void (**func)() = &CTORS_C; func != &CTORS_G; (*func++)()) ;
for (auto func { CTORS_C }; func != CTORS_S; (*func++)()) ;
// Now we're ready to talk to the world
Console::print ("\fNOVA Microhypervisor v%d-%07lx (%s): %s %s [%s]\n", CFG_VER, reinterpret_cast<mword>(&GIT_VER), ARCH, __DATE__, __TIME__, COMPILER_STRING);