diff options
| author | Amlal <amlal@el-mahrouss-logic.com> | 2024-09-10 10:33:39 +0200 |
|---|---|---|
| committer | Amlal <amlal@el-mahrouss-logic.com> | 2024-09-10 10:34:53 +0200 |
| commit | 5aef44da0ce752e7ac6bd9c95489942b1a0319ae (patch) | |
| tree | f3c6f613048ab091def7afc726f0227f552df519 /dev/ZBA/Sources | |
| parent | b11bf31c59d447e62e6ba9b3d8455f9b2828703f (diff) | |
Fix: See below.
- Fixing PML4 mapping and getting it to work.
- Don't update cr4, instead do lidt to triple fault.
Signed-off-by: Amlal <amlal@el-mahrouss-logic.com>
Diffstat (limited to 'dev/ZBA/Sources')
| -rw-r--r-- | dev/ZBA/Sources/HEL/AMD64/BootAPI.S | 8 | ||||
| -rw-r--r-- | dev/ZBA/Sources/HEL/AMD64/BootMain.cxx | 4 |
2 files changed, 6 insertions, 6 deletions
diff --git a/dev/ZBA/Sources/HEL/AMD64/BootAPI.S b/dev/ZBA/Sources/HEL/AMD64/BootAPI.S index 380aeb94..9db0961a 100644 --- a/dev/ZBA/Sources/HEL/AMD64/BootAPI.S +++ b/dev/ZBA/Sources/HEL/AMD64/BootAPI.S @@ -18,15 +18,14 @@ rt_jump_to_address: rt_reset_hardware: /* dont raise any interrupts. (except ofc NMIs.) */ cli + /* remap PIC */ wait_gate1: - /* wait for gate 1 to be ready? */ in al,0x64 and al,2 jnz wait_gate1 mov al,0x0D1 out 0x64,al wait_gate2: - /* wait for gate 2 to be ready? */ in al,0x64 and al,2 jnz wait_gate2 @@ -35,8 +34,9 @@ wait_gate2: /* trigger triple fault, by writing to cr4 */ - xor rax,rax - mov cr4,rax + mov rax, 0 + lidt [rax] + reset_wait: jmp reset_wait diff --git a/dev/ZBA/Sources/HEL/AMD64/BootMain.cxx b/dev/ZBA/Sources/HEL/AMD64/BootMain.cxx index ca2f4975..76a82a24 100644 --- a/dev/ZBA/Sources/HEL/AMD64/BootMain.cxx +++ b/dev/ZBA/Sources/HEL/AMD64/BootMain.cxx @@ -203,8 +203,8 @@ EFI_EXTERN_C EFI_API Int Main(EfiHandlePtr ImageHandle, // Update handover file specific table and phyiscal start field. //-----------------------------------------------------------// - handoverHdrPtr->f_PhysicalStart = - (VoidPtr)Descriptor[cDefaultMemoryMap].PhysicalStart; + handoverHdrPtr->f_PageStart = + (VoidPtr)Descriptor[cDefaultMemoryMap].VirtualStart; handoverHdrPtr->f_FirmwareSpecific[HEL::kHandoverSpecificAttrib] = Descriptor[cDefaultMemoryMap].Attribute; |