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Author: federicogramos

Makefile

@@ -1,20 +1,20 @@
 ASM = nasm
 #BMFS_MBR = bmfs_mbr.sys
 #PXESTART = pxestart.sys
-PURE64 = pure64.sys
+BOOTLOADER = bootloader.sys
 UEFI = uefi.sys
 
-#all: bmfs_mbr.sys pxestart.sys pure64.sys
-all: pure64.sys uefi.sys
+#all: bmfs_mbr.sys pxestart.sys bootloader.sys
+all: bootloader.sys uefi.sys
 
 #$(BMFS_MBR):
 #	$(ASM) src/bootsectors/bmfs_mbr.asm -o $(BMFS_MBR)
 
 #$(PXESTART):
 #	$(ASM) src/bootsectors/pxestart.asm -o $(PXESTART)
 
-$(PURE64):
-	cd asm;	$(ASM) pure64.asm -o ./../build/$(PURE64)
+$(BOOTLOADER):
+	cd asm;	$(ASM) bootloader.asm -o ./../build/$(BOOTLOADER)
 
 $(UEFI):
 	cd ./asm/boot; nasm uefi.asm -o ./../../build/uefi.sys

asm/boot/uefi.asm

@@ -601,7 +601,7 @@ call [rcx + EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_OUTPUTSTRING]
 
 
 
-;;; parate aqui si quisieras ver los seteos que le va a pasar a pure64
+;;; parate aqui si quisieras ver los seteos que le va a pasar al siguiente bootloader.
 
 	mov rsi, PAYLOAD + 6
 	mov rax, [rsi]
@@ -716,8 +716,7 @@ get_memmap:
 	rep stosq
 
 
-;;;;;;;;;;;;;;;;;;;;;;;;;;;;; hacer un clear del screen
-	; Set screen to black before jumping to Pure64
+	;; Hacer un clear del screen.
 	mov rdi, [FB]
 	mov eax, 0x00000000					; 0x00RRGGBB
 	mov rcx, [FB_SIZE];;;;;;;;;; frame buffer size

asm/pure64.asm asm/bootloader.asmasm/pure64.asm renamed to asm/bootloader.asm

@@ -1,21 +1,14 @@
-; =============================================================================
-; Pure64 -- a 64-bit OS/software loader written in Assembly for x86-64 systems
-; Copyright (C) 2008-2025 Return Infinity -- see LICENSE.TXT
-;
-; The first stage loader is required to gather information about the system
-; while the BIOS or UEFI is still available and load the Pure64 binary to
-; 0x00008000. Setup a minimal 64-bit environment, copy the 64-bit kernel from
-; the end of the Pure64 binary to the 1MiB memory mark and jump to it.
+;;=============================================================================
+;; The first stage loader is required to gather information about the system
+;; while the BIOS or UEFI is still available and load the payload binary to
+;; 0x00008000. Setup a minimal 64-bit environment, copy the 64-bit kernel from
+;; the end of the payload binary to the 1MiB memory mark and jump to it.
 ;;1Mib mark se refiere a copiar nuestro kernel a la dir 100000 donde a donde luego salta yendo a _start en 0x100000
-;
-; Pure64 requires a payload for execution! The stand-alone pure64.sys file
-; is not sufficient. You must append your kernel or software to the end of
-; the Pure64 binary. The maximum size of the kernel or software is 26KiB.
-;
-; Windows - copy /b pure64.sys + kernel64.sys
-; Unix - cat pure64.sys kernel64.sys > pure64.sys
-; Max size of the resulting pure64.sys is 32768 bytes (32KiB)
-; =============================================================================
+;;
+;;  requires a payload for execution! The stand-alone bootloader.sys file
+;; is not sufficient. You must append your kernel or software to the end of
+;; the bootloader binary. The maximum size of the kernel or software is 26KiB (a definir!!!)
+;;=============================================================================
 
 
 
@@ -591,7 +584,7 @@ make_interrupt_gates: 			; make gates for the other interrupts
 
 	lidt [IDTR64]			; load IDT register
 
-; Patch Pure64 AP code			; The AP's will be told to start execution at 0x8000
+; Patch bootloader AP code			; The AP's will be told to start execution at 0x8000
 	mov edi, start			; We need to remove the BSP Jump call to get the AP's
 	mov eax, 0x90909090		; to fall through to the AP Init code
 	stosd
@@ -859,7 +852,7 @@ pde_end:
 	shr rax, 24			; Shift to the right and AL now holds the CPU's APIC ID
 	shl rax, 10			; shift left 10 bits for a 1024byte stack
 	add rax, 0x0000000000050400	; stacks decrement when you "push", start at 1024 bytes in
-	mov rsp, rax			; Pure64 leaves 0x50000-0x9FFFF free so we use that
+	mov rsp, rax			; leave 0x50000-0x9FFFF free so we use that
 
 ; Build the InfoMap
 	xor edi, edi
@@ -1004,7 +997,7 @@ lfb_wc_end:
 	wbinvd				; Flush Cache
 
 ; Move the trailing binary to its final location
-	mov esi, 0x8000+UEFI_BOOTLOADER_SIZE	; Memory offset to end of pure64.sys
+	mov esi, 0x8000+UEFI_BOOTLOADER_SIZE	; Memory offset to end of bootloader.sys
 	
 ;; esto es la direccion a la cual nuestro kernel se copia, tal como luego comienza ejecutando en _start en 100000
 	mov edi, 0x100000		; Destination address at the 1MiB mark
@@ -1062,7 +1055,7 @@ clear_regs:
 
 
 ;;;;;;;;;;;;;;;;;;;;;;;;hlt;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-	jmp 0x00100000			; Done with Pure64, jump to the kernel
+	jmp 0x00100000			; Done with bootloader, jump to the kernel
 
 
 %include "init/acpi.asm"
@@ -1329,7 +1322,7 @@ debug_progressbar:
 %endif
 
 
-;;;;;;;;;;; para generar un loop y dejar q se vea mensaje antes de ir a pure
+;;;;;;;;;;; para generar un loop y dejar q se vea mensaje antes de ir a bootloader
 ;;; sacar, no va
 ;;;time_delay dq 800000
 

asm/init/acpi.asm

@@ -1,10 +1,6 @@
 ; =============================================================================
-; Pure64 -- a 64-bit OS/software loader written in Assembly for x86-64 systems
-; Copyright (C) 2008-2025 Return Infinity -- see LICENSE.TXT
-;
 ; INIT ACPI
-;
-; Comments reference the following document:
+;; Comments reference the following document:
 ; Advanced Configuration and Power Interface (ACPI) Specification Release 6.5
 ; https://uefi.org/sites/default/files/resources/ACPI_Spec_6_5_Aug29.pdf
 ; =============================================================================

asm/init/cpu.asm

@@ -1,7 +1,4 @@
 ; =============================================================================
-; Pure64 -- a 64-bit OS/software loader written in Assembly for x86-64 systems
-; Copyright (C) 2008-2025 Return Infinity -- see LICENSE.TXT
-;
 ; INIT CPU - This code is called by all activated CPU cores in the system
 ; =============================================================================
 

asm/init/hpet.asm

@@ -1,7 +1,4 @@
 ; =============================================================================
-; Pure64 -- a 64-bit OS/software loader written in Assembly for x86-64 systems
-; Copyright (C) 2008-2025 Return Infinity -- see LICENSE.TXT
-;
 ; INIT HPET
 ; =============================================================================
 
@@ -154,4 +151,4 @@ HPET_TIMER_2_INT	equ 0x150
 
 
 ; =============================================================================
-; EOF
+; EOF

asm/init/smp.asm

@@ -1,7 +1,4 @@
 ; =============================================================================
-; Pure64 -- a 64-bit OS/software loader written in Assembly for x86-64 systems
-; Copyright (C) 2008-2025 Return Infinity -- see LICENSE.TXT
-;
 ; INIT SMP
 ; =============================================================================
 

asm/init/smp_ap.asm

@@ -1,7 +1,4 @@
 ; =============================================================================
-; Pure64 -- a 64-bit OS/software loader written in Assembly for x86-64 systems
-; Copyright (C) 2008-2025 Return Infinity -- see LICENSE.TXT
-;
 ; INIT SMP AP
 ; =============================================================================
 
@@ -126,7 +123,7 @@ startap64:
 	shr rax, 24			; Shift to the right and AL now holds the CPU's APIC ID
 	shl rax, 10			; shift left 10 bits for a 1024byte stack
 	add rax, 0x0000000000090000	; stacks decrement when you "push", start at 1024 bytes in
-	mov rsp, rax			; Pure64 leaves 0x50000-0x9FFFF free so we use that
+	mov rsp, rax			; Leave 0x50000-0x9FFFF free so we use that
 
 	lgdt [GDTR64]			; Load the GDT
 	lidt [IDTR64]			; Load the IDT

asm/interrupt.asm

@@ -1,7 +1,4 @@
 ; =============================================================================
-; Pure64 -- a 64-bit OS/software loader written in Assembly for x86-64 systems
-; Copyright (C) 2008-2025 Return Infinity -- see LICENSE.TXT
-;
 ; Interrupts
 ; =============================================================================
 

asm/sysvar.asm

@@ -1,7 +1,4 @@
 ; =============================================================================
-; Pure64 -- a 64-bit OS/software loader written in Assembly for x86-64 systems
-; Copyright (C) 2008-2025 Return Infinity -- see LICENSE.TXT
-;
 ; System Variables
 ; =============================================================================
 
@@ -36,7 +33,7 @@ IM_ActivedCoreIDs:	equ 0x0000000000005E00		; 1 byte per entry - 1 if the core wa
 ;;;[0x00005F10]	; Screen X
 ;;;;[0x00005F12]	; Screen Y
 ;;;;[0x00005F14]	; PixelsPerScanLine
-;;; luego, durante pure, la mantiene aqui, pero lo copia al infoMap 0x5080
+;;; luego, durante el bootloader, la mantiene aqui, pero lo copia al infoMap 0x5080
 VBEModeInfoBlock:	equ 0x0000000000005F00		; 256 bytes