tomolt/bootnetboot
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Thomas Oltmann 2025-12-20 17:10:14 +01:00
parent 23d29ae2f8
commit ec9c755745
3 changed files with 20 additions and 13 deletions
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2
x86_64-efi/.gitignore vendored
View file

@ -3,3 +3,5 @@
bootnetboot.efi bootnetboot.efi
bootnetboot.rom bootnetboot.rom
efirom efirom
disk.img
netboot/boot.efi

28
x86_64-efi/bootnetboot.c
View file

@ -47,7 +47,6 @@
#include <efigpt.h> #include <efigpt.h>
#include "efiip.h" #include "efiip.h"
#include "efitcp.h" #include "efitcp.h"
#include "efihttp.h"
#include "tinf.h" #include "tinf.h"
// get BOOTBOOT specific stuff // get BOOTBOOT specific stuff
#include <bootboot.h> #include <bootboot.h>
@ -962,6 +961,7 @@ EFI_STATUS
report(EFI_STATUS Status,CHAR16 *Msg) report(EFI_STATUS Status,CHAR16 *Msg)
{ {
Print(L"BOOTBOOT-PANIC: %s (EFI %r)\n",Msg,Status); Print(L"BOOTBOOT-PANIC: %s (EFI %r)\n",Msg,Status);
for (;;) {} // To make debugging easier.
return Status; return Status;
} }
@ -1455,9 +1455,9 @@ efi_main (EFI_HANDLE image, EFI_SYSTEM_TABLE *systab)
EFI_LOADED_IMAGE *loaded_image = NULL; EFI_LOADED_IMAGE *loaded_image = NULL;
EFI_STATUS status=EFI_SUCCESS; EFI_STATUS status=EFI_SUCCESS;
EFI_MEMORY_DESCRIPTOR *memory_map = NULL, *mement; EFI_MEMORY_DESCRIPTOR *memory_map = NULL, *mement;
EFI_GUID http_binding_guid = EFI_HTTP_SERVICE_BINDING_PROTOCOL_GUID; EFI_GUID tcp4_binding_guid = EFI_TCP4_SERVICE_BINDING_PROTOCOL;
EFI_SERVICE_BINDING *http_binding; EFI_SERVICE_BINDING *tcp4_binding;
EFI_HANDLE http_handle; EFI_HANDLE tcp4_handle;
#if USE_MP_SERVICES #if USE_MP_SERVICES
EFI_EVENT Event; EFI_EVENT Event;
EFI_GUID mpspGuid = EFI_MP_SERVICES_PROTOCOL_GUID; EFI_GUID mpspGuid = EFI_MP_SERVICES_PROTOCOL_GUID;
@ -1510,16 +1510,19 @@ efi_main (EFI_HANDLE image, EFI_SYSTEM_TABLE *systab)
Print(L"LINE %d\n", (int)__LINE__ ); Print(L"LINE %d\n", (int)__LINE__ );
ZeroMem((void*)bootboot,PAGESIZE); ZeroMem((void*)bootboot,PAGESIZE);
Print(L"LINE %d\n", (int)__LINE__ ); Print(L"LINE %d\n", (int)__LINE__ );
CopyMem(bootboot->magic,BOOTBOOT_MAGIC,4); //TODO!
//CopyMem(bootboot->magic,BOOTBOOT_MAGIC,4);
Print(L"LINE %d\n", (int)__LINE__ ); Print(L"LINE %d\n", (int)__LINE__ );
// unlike BIOS+MultiBoot bootboot, no need to check if we have // unlike BIOS+MultiBoot bootboot, no need to check if we have
// PAE + MSR + LME, as we're already in long mode. // PAE + MSR + LME, as we're already in long mode.
/*
__asm__ __volatile__ ( __asm__ __volatile__ (
"mov $1, %%eax;" "mov $1, %%eax;"
"cpuid;" "cpuid;"
"shrl $24, %%ebx;" "shrl $24, %%ebx;"
"mov %%bx,%0" "mov %%bx,%0"
: "=r"(bootboot->bspid) : : "eax", "ebx", "ecx", "edx", "cc"); : "=r"(bootboot->bspid) : : "eax", "ebx", "ecx", "edx", "cc");
*/
Print(L"LINE %d\n", (int)__LINE__ ); Print(L"LINE %d\n", (int)__LINE__ );
#endif #endif
@ -1558,26 +1561,25 @@ efi_main (EFI_HANDLE image, EFI_SYSTEM_TABLE *systab)
#endif #endif
Print(L"LINE %d\n", (int)__LINE__ ); Print(L"LINE %d\n", (int)__LINE__ );
// Try to locate HTTP service binding protocol // Try to locate TCPv4 service binding protocol
DBG(L" * Locating HTTP service binding protocol%s\n", L""); DBG(L" * Locating TCP4 service binding protocol%s\n", L"");
status = uefi_call_wrapper(BS->LocateProtocol, 3, &http_binding_guid, NULL, (void **)&http_binding); status = uefi_call_wrapper(BS->LocateProtocol, 3, &tcp4_binding_guid, NULL, (void **)&tcp4_binding);
if (EFI_ERROR(status)) { if (EFI_ERROR(status)) {
return report(status, L"LocateProtocol"); return report(status, L"LocateProtocol");
} }
Print(L"LINE %d\n", (int)__LINE__ ); Print(L"LINE %d\n", (int)__LINE__ );
// Create a HTTP protocol handle // Create a HTTP protocol handle
DBG(L" * Creating HTTP protocol handle%s\n", L""); DBG(L" * Creating TCP4 protocol handle%s\n", L"");
http_handle=NULL; tcp4_handle=NULL;
status = uefi_call_wrapper(http_binding->CreateChild, 2, http_binding, &http_handle); status = uefi_call_wrapper(tcp4_binding->CreateChild, 2, tcp4_binding, &tcp4_handle);
if (EFI_ERROR(status)) { if (EFI_ERROR(status)) {
return report(status, L"CreateChild"); return report(status, L"CreateChild");
} }
Print(L"LINE %d\n", (int)__LINE__ ); Print(L"LINE %d\n", (int)__LINE__ );
status=EFI_LOAD_ERROR;
// Retrieve InitRD from external HTTP server // Retrieve InitRD from external HTTP server
status=EFI_LOAD_ERROR;
{ {
for (;;) {} for (;;) {}
} }

3
x86_64-efi/run-efi.sh Executable file
View file

@ -0,0 +1,3 @@
#!/bin/sh
#qemu-system-x86_64 --bios /usr/share/OVMF/x64/OVMF.fd -netdev user,id=n1,net=10.0.0.5/24 -device virtio-net-pci,netdev=n1 -device virtio-rng-pci
qemu-system-x86_64 --bios /usr/share/OVMF/x64/OVMF.fd -netdev user,id=n1,net=10.0.0.5/24,tftp=netboot,bootfile=/boot.efi -device virtio-net-pci,netdev=n1 -device virtio-rng-pci