Initial commit

.github/workflows/debug.yml

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+name: C/C++ CI
+
+on:
+  push:
+    branches: [ "sdcard" ]
+  pull_request:
+    branches: [ "sdcard" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/[email protected]
+    - name: CI Build
+      run: chmod +x ci-build.sh && ./ci-build.sh
+
+    - uses: actions/upload-artifact@v3
+      with:
+        name: Y560
+        path: ./workspace/Y560.img
+    - uses: actions/upload-artifact@v3
+      with:
+        name: Lumia 650
+        path: ./workspace/emmc_appsboot.mbn
+    - uses: actions/upload-artifact@v3
+      with:
+        name: E1M
+        path: ./workspace/E1M.img

.gitignore

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+uefi.img
+12
+MSM8909_UEFI.fd.gz
+BootShim/BootShim.bin

BootShim/BootShim.S

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+.code 32
+.text
+.globl _start
+_start:
+	/* see if we need to relocate */
+	adr			r0, _Payload 	//Load the payload adress into r0
+
+	ldr			r1, UefiBase 	//Load the expected payload base into r1
+	cmp			r0, r1			//Compare the adresses
+	beq			_Entry			//Jump to entry if the adress is the same
+	ldr 		r2, UefiSize
+
+_CopyLoop:
+	/* memcpy */
+	ldr		r3, [r0], #4
+	str		r3, [r1], #4
+	subs	r2, r2, #4		//substract the size that got copied from fd size
+	bgt		_CopyLoop		//branch if greater than zero
+
+	/* we're relocated, jump to the right address */
+
+_Entry:
+	ldr		r5, UefiBase
+	bx		r5
+
+UefiBase:
+	.word UEFI_BASE
+
+UefiSize:
+	.word UEFI_SIZE
+
+.text
+.align 4
+_Payload:

BootShim/Source.txt

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+Code inspired by:
+* https://github.com/WOA-Project/SurfaceDuoPkg/tree/main/BootShim
+* https://github.com/idaviden/kaikidan/blob/linaro-release/iPhone4Pkg/bl.s

BootShim/makefile

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+ARCH              = arm
+TARGET            = arm-linux-gnueabi
+CROSS_COMPILE     = $(TARGET)-
+CC                = $(CROSS_COMPILE)gcc
+OBJCOPY           = $(CROSS_COMPILE)objcopy
+
+all: BootShim.elf BootShim.bin
+
+BootShim.bin: BootShim.elf
+	$(OBJCOPY) -O binary $< $@
+
+BootShim.elf: BootShim.S
+	$(CC) -c $< -o $@ -DUEFI_BASE=$(UEFI_BASE) -DUEFI_SIZE=$(UEFI_SIZE)
+
+BootShim.S:

MSM8909Pkg/AcpiTables/Include/Platform.h

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+#ifndef __ACPI_MSM8909_PLATFORM_H__
+#define __ACPI_MSM8909_PLATFORM_H__
+
+#include <Library/AcpiLib.h>
+#include <IndustryStandard/Acpi.h>
+
+#define SIGNATURE4(a, b, c, d)             (                                            \
+                                             ((a) | (b << 8))                           \
+                                             |                                          \
+                                             ((((c) | (d << 8)) << 16))                 \
+                                           )
+
+#define SIGNATURE8(a, b, c, d, e, f, g, h) (                                            \
+                                             SIGNATURE4 (a, b, c, d)                    \
+                                             |                                          \
+                                             ((UINT64) (SIGNATURE4 (e, f, g, h)) << 32) \
+                                           )
+
+#define ACPI_OEM_ID             'Q','C','O','M',' ',' '
+#define ACPI_OEM_TABLE_ID       SIGNATURE8('Q','C','O','M','E','D','K','2')
+#define ACPI_OEM_REVISION       0x00008909
+#define ACPI_CREATOR_ID         SIGNATURE4('Q','C','O','M')
+#define ACPI_CREATOR_REVISION   0x00000001
+
+#define ACPI_VENDOR_ID          SIGNATURE4('Q','C','O','M')
+
+#define SCSS_SYS_POR            0x01
+#define HWIO_SCSS_RESET_ADDR    0x009020B4 // msmhwioreg.h
+
+#define AP_CPU_COUNT            4
+
+#endif