diff options
Diffstat (limited to 'OvmfPkg/Library/LoadLinuxLib/X64')
| -rw-r--r-- | OvmfPkg/Library/LoadLinuxLib/X64/JumpToKernel.S | 22 | ||||
| -rw-r--r-- | OvmfPkg/Library/LoadLinuxLib/X64/JumpToKernel.asm | 24 |
2 files changed, 46 insertions, 0 deletions
diff --git a/OvmfPkg/Library/LoadLinuxLib/X64/JumpToKernel.S b/OvmfPkg/Library/LoadLinuxLib/X64/JumpToKernel.S index edc6e7bd70..056e3c013f 100644 --- a/OvmfPkg/Library/LoadLinuxLib/X64/JumpToKernel.S +++ b/OvmfPkg/Library/LoadLinuxLib/X64/JumpToKernel.S @@ -13,6 +13,7 @@ #------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(JumpToKernel)
+ASM_GLOBAL ASM_PFX(JumpToUefiKernel)
#------------------------------------------------------------------------------
# VOID
@@ -67,3 +68,24 @@ ASM_PFX(JumpToKernel): ret
.code64
+#------------------------------------------------------------------------------
+# VOID
+# EFIAPI
+# JumpToUefiKernel (
+# EFI_HANDLE ImageHandle, // rcx
+# EFI_SYSTEM_TABLE *SystemTable, // rdx
+# VOID *KernelBootParams, // r8
+# VOID *KernelStart // r9
+# );
+#------------------------------------------------------------------------------
+ASM_PFX(JumpToUefiKernel):
+ movq %rcx, %rdi
+ movq %rdx, %rsi
+ movq %r8, %rdx
+ xor %rax, %rax
+ movl 0x264(%r8), %eax
+ addq %rax, %r9
+ addq $0x200, %r9
+ callq %r9
+ ret
+
diff --git a/OvmfPkg/Library/LoadLinuxLib/X64/JumpToKernel.asm b/OvmfPkg/Library/LoadLinuxLib/X64/JumpToKernel.asm index bcf6260e1d..fc07eab684 100644 --- a/OvmfPkg/Library/LoadLinuxLib/X64/JumpToKernel.asm +++ b/OvmfPkg/Library/LoadLinuxLib/X64/JumpToKernel.asm @@ -68,4 +68,28 @@ JumpToKernel PROC JumpToKernel ENDP
+;------------------------------------------------------------------------------
+; VOID
+; EFIAPI
+; JumpToUefiKernel (
+; EFI_HANDLE ImageHandle, // rcx
+; EFI_SYSTEM_TABLE *SystemTable, // rdx
+; VOID *KernelBootParams // r8
+; VOID *KernelStart, // r9
+; );
+;------------------------------------------------------------------------------
+JumpToUefiKernel PROC
+
+ mov rdi, rcx
+ mov rsi, rdx
+ mov rdx, r8
+ xor rax, rax
+ mov eax, [r8 + 264h]
+ add r9, rax
+ add r9, 200h
+ call r9
+ ret
+
+JumpToUefiKernel ENDP
+
END
|