Merge pull request #11 from 3DSGuy/unstable

makerom 0.12

makerom/Makefile

@@ -1,7 +1,7 @@
 # Makerom Sources
 UTILS_OBJS = utils.o ctr_utils.o dir.o utf.o keyset.o titleid.o
 CIA_OBJS = cia.o certs.o tik.o tmd.o
-NCCH_OBJS = ncch.o exheader.o accessdesc.o exefs.o elf.o romfs.o romfs_import.o romfs_gen.o  
+NCCH_OBJS = ncch.o exheader.o accessdesc.o exefs.o elf.o romfs.o romfs_import.o romfs_gen.o
 NCSD_OBJS = ncsd.o cardinfo.o
 SETTINGS_OBJS = user_settings.o rsf_settings.o
 LIB_API_OBJS = crypto.o yaml_parser.o blz.o
@@ -21,7 +21,7 @@ CC = gcc
 # MAKEROM Build Settings
 MAKEROM_BUILD_FLAGS = #-DDEBUG
 VER_MAJOR = 0
-VER_MINOR = 11
+VER_MINOR = 12
 OUTPUT = makerom
 
 main: build

makerom/cia.c

@@ -443,7 +443,7 @@ int ImportNcchContent(cia_settings *ciaset)
 		return MEM_ERROR;
 	}
 
-	ncch_hdr *ncch0hdr = (ncch_hdr*)(ciaset->ciaSections.content.buffer+0x100);
+	ncch_hdr *ncch0hdr = (ncch_hdr*)ciaset->ciaSections.content.buffer;
 	for(int i = 1; i < ciaset->content.count; i++){
 		// Import
 		u8 *ncchpos = (u8*)(ciaset->ciaSections.content.buffer+ciaset->content.offset[i]);
@@ -629,24 +629,9 @@ int BuildCiaHdr(cia_settings *ciaset)
 	ciaset->ciaSections.contentOffset = align(ciaset->ciaSections.tmdOffset+ciaset->ciaSections.tmd.size,0x40);
 	ciaset->ciaSections.metaOffset = align(ciaset->ciaSections.contentOffset+ciaset->content.totalSize,0x40);
 	
-	for(int i = 0; i < ciaset->content.count; i++){
+	for(int i = 0; i < ciaset->content.count; i++)
-		// This works by treating the 0x2000 byte index array as an array of 2048 u32 values
+		hdr->contentIndex[ciaset->content.index[i]/8] |= 1 << (7 - (ciaset->content.index[i] & 7));
 		
-		// Used for determining which u32 chunk to write the value to
-		u16 section = ciaset->content.index[i]/32;
-		
-		// Calculating the value added to the u32
-		u32 value = 1 << (0x1F-ciaset->content.index[i]);
-
-		// Retrieving current u32 block
-		u32 cur_content_index_section = u8_to_u32(hdr->contentIndex+(sizeof(u32)*section),BE);
-		
-		// Adding value to block
-		cur_content_index_section += value;
-		
-		// Returning block
-		u32_to_u8(hdr->contentIndex+(sizeof(u32)*section),cur_content_index_section,BE);
-	}
 	return 0;
 }
 

makerom/elf.c

@@ -1,5 +1,6 @@
 #include "lib.h"
 #include "ncch_build.h"
+#include "exheader_read.h"
 #include "elf_hdr.h"
 #include "elf.h"
 #include "blz.h"
@@ -113,7 +114,8 @@ finish:
 		if(result == NOT_ELF_FILE) fprintf(stderr,"[ELF ERROR] Not ELF File\n");
 		else if(result == NOT_ARM_ELF) fprintf(stderr,"[ELF ERROR] Not ARM ELF\n");
 		else if(result == NON_EXECUTABLE_ELF) fprintf(stderr,"[ELF ERROR] Not Executeable ELF\n");
-		else if(result == NOT_FIND_CODE_SECTIONS) fprintf(stderr,"[ELF ERROR] Failed to retrieve code sections from ELF\n");
+		else if(result == NOT_FIND_TEXT_SEGMENT) fprintf(stderr,"[ELF ERROR] Failed to retrieve text sections from ELF\n");
+		else if(result == NOT_FIND_DATA_SEGMENT) fprintf(stderr,"[ELF ERROR] Failed to retrieve data sections from ELF\n");
 		else fprintf(stderr,"[ELF ERROR] Failed to process ELF file (%d)\n",result);
 	}
 	for(int i = 0; i < elf->activeSegments; i++)
@@ -139,7 +141,10 @@ int ImportExeFsCodeBinaryFromFile(ncch_settings *set)
 {
 	u32 size = set->componentFilePtrs.codeSize;
 	u8 *buffer = malloc(size);
-	if(!buffer) {fprintf(stderr,"[ELF ERROR] Not enough memory\n"); return MEM_ERROR;}
+	if(!buffer) {
+		fprintf(stderr,"[ELF ERROR] Not enough memory\n");
+		return MEM_ERROR;
+	}
 	ReadFile64(buffer,size,0,set->componentFilePtrs.code);
 
 	set->exefsSections.code.size = set->componentFilePtrs.codeSize;
@@ -156,6 +161,36 @@ int ImportExeFsCodeBinaryFromFile(ncch_settings *set)
 		set->exefsSections.code.size = size;
 		set->exefsSections.code.buffer = buffer;
 	}
+	
+	size = set->componentFilePtrs.exhdrSize;
+	if(size < sizeof(extended_hdr)){
+		fprintf(stderr,"[ELF ERROR] Exheader code info template is too small\n");
+		return FAILED_TO_IMPORT_FILE;
+	}
+	extended_hdr *exhdr = malloc(size);
+	if(!exhdr) {
+		fprintf(stderr,"[ELF ERROR] Not enough memory\n");
+		return MEM_ERROR;
+	}
+	ReadFile64(exhdr,size,0,set->componentFilePtrs.exhdr);
+	
+	/* Setting code_segment data */
+	set->codeDetails.textAddress = u8_to_u32(exhdr->codeSetInfo.text.address,LE);
+	set->codeDetails.textMaxPages = u8_to_u32(exhdr->codeSetInfo.text.numMaxPages,LE);
+	set->codeDetails.textSize = u8_to_u32(exhdr->codeSetInfo.text.codeSize,LE);
+
+	set->codeDetails.roAddress = u8_to_u32(exhdr->codeSetInfo.rodata.address,LE);
+	set->codeDetails.roMaxPages = u8_to_u32(exhdr->codeSetInfo.rodata.numMaxPages,LE);
+	set->codeDetails.roSize = u8_to_u32(exhdr->codeSetInfo.rodata.codeSize,LE);
+
+	set->codeDetails.rwAddress = u8_to_u32(exhdr->codeSetInfo.data.address,LE);
+	set->codeDetails.rwMaxPages = u8_to_u32(exhdr->codeSetInfo.data.numMaxPages,LE);
+	set->codeDetails.rwSize = u8_to_u32(exhdr->codeSetInfo.data.codeSize,LE);
+	
+	set->codeDetails.bssSize = u8_to_u32(exhdr->codeSetInfo.bssSize,LE);
+	
+	free(exhdr);
+	
 	return 0;
 }
 
@@ -239,9 +274,13 @@ int CreateExeFsCode(elf_context *elf, u8 *elfFile, ncch_settings *set)
 	result = CreateCodeSegmentFromElf(&rwdata,elf,elfFile,set->rsfSet->ExeFs.ReadWrite,set->rsfSet->ExeFs.ReadWriteNum);
 	if(result) return result;
 
+	/* Checking the existence of essential ELF Segments */
+	if(!text.size) return NOT_FIND_TEXT_SEGMENT;
+	if(!rwdata.size) return NOT_FIND_DATA_SEGMENT;
+	
 	/* Allocating Buffer for ExeFs Code */
 	u32 size = (text.maxPageNum + rodata.maxPageNum + rwdata.maxPageNum)*elf->pageSize;
-	u8 *code = malloc(size);
+	u8 *code = calloc(1,size);
 
 	/* Writing Code into Buffer */
 	u8 *textPos = (code + 0);
@@ -264,7 +303,7 @@ int CreateExeFsCode(elf_context *elf, u8 *elfFile, ncch_settings *set)
 		set->exefsSections.code.buffer = code;
 	}
 
-	/* Setting code_segment rwdata and freeing original buffers */
+	/* Setting code_segment data and freeing original buffers */
 	set->codeDetails.textAddress = text.address;
 	set->codeDetails.textMaxPages = text.maxPageNum;
 	set->codeDetails.textSize = text.size;

makerom/elf.h

@@ -6,10 +6,11 @@ typedef enum
 	NOT_ARM_ELF = -11,
 	NON_EXECUTABLE_ELF = -12,
 	ELF_SECTION_NOT_FOUND = -13,
-	NOT_FIND_CODE_SECTIONS = -14,
+	NOT_FIND_TEXT_SEGMENT = -14,
-	ELF_SEGMENT_SECTION_SIZE_MISMATCH = -15,
+	NOT_FIND_DATA_SEGMENT = -15,
-	ELF_SEGMENTS_NOT_CONTINUOUS = -16,
+	ELF_SEGMENT_SECTION_SIZE_MISMATCH = -16,
-	ELF_SEGMENTS_NOT_FOUND = -17,
+	ELF_SEGMENTS_NOT_CONTINUOUS = -17,
+	ELF_SEGMENTS_NOT_FOUND = -18,
 } elf_errors;
 
 typedef struct

makerom/exheader.c

@@ -121,17 +121,6 @@ int get_ExHeaderSettingsFromNcchset(exheader_settings *exhdrset, ncch_settings *
 		fprintf(stderr,"[EXHEADER ERROR] Not enough memory\n"); 
 		return MEM_ERROR;
 	}
-	
-	/* Import ExHeader Code Section template */
-	if(ncchset->componentFilePtrs.exhdrSize){ 
-		u32 import_size = 0x30; //min64(0x30,ncchset->componentFilePtrs.exhdrSize);
-		u32 import_offset = 0x10;
-		if((import_size+import_offset) > ncchset->componentFilePtrs.exhdrSize){
-			fprintf(stderr,"[EXHEADER ERROR] Exheader Template is too small\n");
-			return FAILED_TO_IMPORT_FILE;
-		}
-		ReadFile64((ncchset->sections.exhdr.buffer+import_offset),import_size,import_offset,ncchset->componentFilePtrs.exhdr);
-	}
 
 	/* Create ExHeader Struct for output */
 	exhdrset->exHdr = (extended_hdr*)ncchset->sections.exhdr.buffer;
@@ -142,17 +131,17 @@ int get_ExHeaderSettingsFromNcchset(exheader_settings *exhdrset, ncch_settings *
 		/* BSS Size */
 		u32_to_u8(exhdrset->exHdr->codeSetInfo.bssSize,ncchset->codeDetails.bssSize,LE);
 		/* Data */
-		u32_to_u8(exhdrset->exHdr->codeSetInfo.dataSectionInfo.address,ncchset->codeDetails.rwAddress,LE);
+		u32_to_u8(exhdrset->exHdr->codeSetInfo.data.address,ncchset->codeDetails.rwAddress,LE);
-		u32_to_u8(exhdrset->exHdr->codeSetInfo.dataSectionInfo.codeSize,ncchset->codeDetails.rwSize,LE);
+		u32_to_u8(exhdrset->exHdr->codeSetInfo.data.codeSize,ncchset->codeDetails.rwSize,LE);
-		u32_to_u8(exhdrset->exHdr->codeSetInfo.dataSectionInfo.numMaxPages,ncchset->codeDetails.rwMaxPages,LE);
+		u32_to_u8(exhdrset->exHdr->codeSetInfo.data.numMaxPages,ncchset->codeDetails.rwMaxPages,LE);
 		/* RO */
-		u32_to_u8(exhdrset->exHdr->codeSetInfo.readOnlySectionInfo.address,ncchset->codeDetails.roAddress,LE);
+		u32_to_u8(exhdrset->exHdr->codeSetInfo.rodata.address,ncchset->codeDetails.roAddress,LE);
-		u32_to_u8(exhdrset->exHdr->codeSetInfo.readOnlySectionInfo.codeSize,ncchset->codeDetails.roSize,LE);
+		u32_to_u8(exhdrset->exHdr->codeSetInfo.rodata.codeSize,ncchset->codeDetails.roSize,LE);
-		u32_to_u8(exhdrset->exHdr->codeSetInfo.readOnlySectionInfo.numMaxPages,ncchset->codeDetails.roMaxPages,LE);
+		u32_to_u8(exhdrset->exHdr->codeSetInfo.rodata.numMaxPages,ncchset->codeDetails.roMaxPages,LE);
 		/* Text */
-		u32_to_u8(exhdrset->exHdr->codeSetInfo.textSectionInfo.address,ncchset->codeDetails.textAddress,LE);
+		u32_to_u8(exhdrset->exHdr->codeSetInfo.text.address,ncchset->codeDetails.textAddress,LE);
-		u32_to_u8(exhdrset->exHdr->codeSetInfo.textSectionInfo.codeSize,ncchset->codeDetails.textSize,LE);
+		u32_to_u8(exhdrset->exHdr->codeSetInfo.text.codeSize,ncchset->codeDetails.textSize,LE);
-		u32_to_u8(exhdrset->exHdr->codeSetInfo.textSectionInfo.numMaxPages,ncchset->codeDetails.textMaxPages,LE);
+		u32_to_u8(exhdrset->exHdr->codeSetInfo.text.numMaxPages,ncchset->codeDetails.textMaxPages,LE);
 	}
 
 	/* Set Simple Flags */

makerom/exheader.h

@@ -99,11 +99,11 @@ typedef struct
 	u8 padding0[5];
 	u8 flag;
 	u8 remasterVersion[2]; // le u16
-	exhdr_CodeSegmentInfo textSectionInfo;
+	exhdr_CodeSegmentInfo text;
 	u8 stackSize[4]; // le u32
-	exhdr_CodeSegmentInfo readOnlySectionInfo;
+	exhdr_CodeSegmentInfo rodata;
 	u8 padding1[4];
-	exhdr_CodeSegmentInfo dataSectionInfo;
+	exhdr_CodeSegmentInfo data;
 	u8 bssSize[4]; // le u32
 } exhdr_CodeSetInfo;
 

makerom/ncch.c

@@ -858,17 +858,16 @@ int ModifyNcchIds(u8 *ncch, u8 *titleId, u8 *programId, keys_struct *keys)
 		
 	ncch_hdr *hdr = (ncch_hdr*)ncch;
 	
-	if(/*keys->rsa.requiresPresignedDesc && */!IsCfa(hdr)){
-		fprintf(stderr,"[NCCH ERROR] CXI's ID cannot be modified without the ability to resign the AccessDesc\n"); // Not yet yet, requires AccessDesc Privk, may implement anyway later
-		return -1;
-	}
-	
 	bool titleIdMatches = titleId == NULL? true : memcmp(titleId,hdr->titleId,8) == 0;
 	bool programIdMatches = programId == NULL? true : memcmp(programId,hdr->programId,8) == 0;
 
 	if(titleIdMatches && programIdMatches) 
 		return 0;// if no modification is required don't do anything
 
+	if(/*keys->rsa.requiresPresignedDesc && */!IsCfa(hdr)){
+		fprintf(stderr,"[NCCH ERROR] CXI's ID cannot be modified without the ability to resign the AccessDesc\n"); // Not yet yet, requires AccessDesc Privk, may implement anyway later
+		return -1;
+	}
 
 	ncch_info ncchInfo;
 	u8 *romfs = NULL;

makerom/tik.c

@@ -3,32 +3,42 @@
 #include "tik_build.h"
 
 // Private Prototypes
-int SetupTicketBuffer(buffer_struct *tik);
+int SetupTicketBuffer(cia_settings *set);
-int SetupTicketHeader(tik_hdr *hdr, cia_settings *ciaset);
+void SetupTicketHeader(tik_hdr *hdr, cia_settings *ciaset);
-int SignTicketHeader(tik_hdr *hdr, tik_signature *sig, keys_struct *keys);
+int SignTicketHeader(buffer_struct *tik, keys_struct *keys);
 void SetLimits(tik_hdr *hdr, cia_settings *ciaset);
-void SetContentIndexData(tik_hdr *hdr, cia_settings *ciaset);
+u32 GetContentIndexSegNum(cia_settings *set);
+void SetContentIndexHeader(tik_content_index_hdr *hdr, cia_settings *set);
+void SetContentIndexData(tik_content_index_struct *data, cia_settings *set);
 
 
-int BuildTicket(cia_settings *ciaset)
+int BuildTicket(cia_settings *set)
 {
 	int result = 0;
-	result = SetupTicketBuffer(&ciaset->ciaSections.tik);
+	result = SetupTicketBuffer(set);
 	if(result) return result;
 	
 	// Setting Ticket Struct Ptrs
-	tik_signature *sig = (tik_signature*)ciaset->ciaSections.tik.buffer;
+	buffer_struct *tik = &set->ciaSections.tik;
-	tik_hdr *hdr = (tik_hdr*)(ciaset->ciaSections.tik.buffer+sizeof(tik_signature));
+	
-
+	tik_hdr *hdr = (tik_hdr*) (tik->buffer + sizeof(tik_signature));
-	result = SetupTicketHeader(hdr,ciaset);
+	tik_content_index_hdr *idxHdr = (tik_content_index_hdr*) (tik->buffer + sizeof(tik_signature) + sizeof(tik_hdr));
-	if(result) return result;
+	tik_content_index_struct *idxData = (tik_content_index_struct*) (tik->buffer + sizeof(tik_signature) + sizeof(tik_hdr) + sizeof(tik_content_index_hdr));
-	result = SignTicketHeader(hdr,sig,ciaset->keys);
+	
+	
+	SetupTicketHeader(hdr,set);
+	SetContentIndexHeader(idxHdr,set);
+	SetContentIndexData(idxData,set);
+	
+	result = SignTicketHeader(tik,set->keys);
 	return 0;
 }
 
-int SetupTicketBuffer(buffer_struct *tik)
+int SetupTicketBuffer(cia_settings *set)
 {
-	tik->size = sizeof(tik_signature) + sizeof(tik_hdr);
+	buffer_struct *tik = &set->ciaSections.tik;
+	
+	tik->size = sizeof(tik_signature) + sizeof(tik_hdr) + sizeof(tik_content_index_hdr) + sizeof(tik_content_index_struct)*GetContentIndexSegNum(set);
 	tik->buffer = calloc(1,tik->size);
 	if(!tik->buffer) { 
 		fprintf(stderr,"[TIK ERROR] Not enough memory\n"); 
@@ -37,7 +47,7 @@ int SetupTicketBuffer(buffer_struct *tik)
 	return 0;
 }
 
-int SetupTicketHeader(tik_hdr *hdr, cia_settings *ciaset)
+void SetupTicketHeader(tik_hdr *hdr, cia_settings *ciaset)
 {
 	clrmem(hdr,sizeof(tik_hdr));
 
@@ -58,15 +68,19 @@ int SetupTicketHeader(tik_hdr *hdr, cia_settings *ciaset)
 	memcpy(hdr->eshopAccId,ciaset->tik.eshopAccId,4);
 	hdr->audit = ciaset->tik.audit;
 	SetLimits(hdr,ciaset);
-	SetContentIndexData(hdr,ciaset);
-	return 0;
 }
 
-int SignTicketHeader(tik_hdr *hdr, tik_signature *sig, keys_struct *keys)
+int SignTicketHeader(buffer_struct *tik, keys_struct *keys)
 {
+	tik_signature *sig = (tik_signature*)tik->buffer;
+	u8 *data = tik->buffer + sizeof(tik_signature);
+	u32 len = tik->size - sizeof(tik_signature);
+	
+
 	clrmem(sig,sizeof(tik_signature));
 	u32_to_u8(sig->sigType,RSA_2048_SHA256,BE);
-	return ctr_sig((u8*)hdr,sizeof(tik_hdr),sig->data,keys->rsa.xsPub,keys->rsa.xsPvt,RSA_2048_SHA256,CTR_RSA_SIGN);
+	
+	return ctr_sig(data,len,sig->data,keys->rsa.xsPub,keys->rsa.xsPvt,RSA_2048_SHA256,CTR_RSA_SIGN);
 }
 
 int CryptTitleKey(u8 *EncTitleKey, u8 *DecTitleKey, u8 *TitleID, keys_struct *keys, u8 mode)
@@ -94,10 +108,62 @@ void SetLimits(tik_hdr *hdr, cia_settings *ciaset) // TODO?
 	memset(hdr->limits,0,0x40);
 }
 
-void SetContentIndexData(tik_hdr *hdr, cia_settings *ciaset) // TODO?
+u32 GetContentIndexSegNum(cia_settings *set)
 {
-	memset(hdr->contentIndex,0,0xAC);
+	u32 num, level, i;
-	memcpy(hdr->contentIndex,default_contentIndex,0x30);
+	
+	num = level = 0;
+	
+	for( i = 0; i < set->content.count; i++)
+	{
+		if(set->content.index[i] >= level)
+		{
+			level = roundup(set->content.index[i],0x400);
+			num++;
+		}
+	}
+	return num;
+}
+
+void SetContentIndexHeader(tik_content_index_hdr *hdr, cia_settings *set)
+{
+	u32 hdrSize = sizeof(tik_content_index_hdr);
+	u32 segNum = GetContentIndexSegNum(set);
+	u32 segSize = sizeof(tik_content_index_struct);
+	u32 segTotalSize = segSize * segNum;
+	u32 totalSize = hdrSize + segTotalSize;
+	
+	u32_to_u8(hdr->unk0,0x00010014,BE);
+	u32_to_u8(hdr->totalSize,totalSize,BE);
+	u32_to_u8(hdr->unk1,0x00000014,BE);
+	u32_to_u8(hdr->unk2,0x00010014,BE);
+	u32_to_u8(hdr->unk3,0x00000000,BE);
+	u32_to_u8(hdr->hdrSize,hdrSize,BE);
+	u32_to_u8(hdr->segNum,segNum,BE);
+	u32_to_u8(hdr->segSize,segSize,BE);
+	u32_to_u8(hdr->segTotalSize,segTotalSize,BE);
+	u32_to_u8(hdr->unk4,0x00030000,BE);
+}
+
+void SetContentIndexData(tik_content_index_struct *data, cia_settings *set)
+{
+	u32 level, i;
+	int j;
+	
+	j = -1;
+	level = 0;
+	
+	for( i = 0; i < set->content.count; i++)
+	{
+		if(set->content.index[i] >= level)
+		{
+			level = roundup(set->content.index[i],0x400);
+			j++;
+			u32_to_u8(data[j].level,(set->content.index[i]/0x400)*0x400,BE);
+		}
+		data[j].index[(set->content.index[i] & 0x3ff)/8] |= 1 << (set->content.index[i] & 0x7);
+	}
+	
 }
 
 tik_hdr *GetTikHdr(u8 *tik)

makerom/tik.h

@@ -20,6 +20,26 @@ typedef enum
 	right_AccessTitle = 5
 } tik_item_rights;
 
+typedef struct
+{
+	u8 unk0[4];
+	u8 totalSize[4];
+	u8 unk1[4];
+	u8 unk2[4];
+	u8 unk3[4];
+	u8 hdrSize[4];
+	u8 segNum[4];
+	u8 segSize[4];
+	u8 segTotalSize[4];
+	u8 unk4[4];
+} tik_content_index_hdr;
+
+typedef struct
+{
+    u8 level[4];
+	u8 index[0x80];
+} tik_content_index_struct;
+
 typedef struct
 {
 	u8 sigType[4];
@@ -50,7 +70,6 @@ typedef struct
 	u8 audit;
 	u8 padding5[0x42];
 	u8 limits[0x40];
-	u8 contentIndex[0xAC];
 } tik_hdr;
 
 

makerom/user_settings.c

@@ -140,7 +140,7 @@ int SetArgument(int argc, int i, char *argv[], user_settings *set)
 			PrintArgReqParam(argv[i],1);
 			return USR_ARG_REQ_PARAM;
 		}
-		if(strcasecmp(argv[i+1],"ncch") == 0) 
+		if(strcasecmp(argv[i+1],"ncch") == 0 || strcasecmp(argv[i+1],"cxi") == 0 || strcasecmp(argv[i+1],"cfa") == 0) 
 			set->common.outFormat = NCCH;
 		else if(strcasecmp(argv[i+1],"cci") == 0)
 			set->common.outFormat = CCI;

makerom/utils.c

@@ -41,10 +41,15 @@ void clrmem(void *ptr, u64 num)
 }
 
 // Misc
+u64 roundup(u64 value, u64 alignment)
+{
+	return value + alignment - value % alignment;
+}
+
 u64 align(u64 value, u64 alignment)
 {
 	if(value % alignment != 0)
-		return value + alignment - value % alignment;
+		return roundup(value,alignment);
 	else
 		return value;
 }

makerom/utils.h

@@ -13,6 +13,7 @@ void rndset(void *ptr, u64 num);
 void clrmem(void *ptr, u64 num);
 
 // MISC
+u64 roundup(u64 value, u64 alignment);
 u64 align(u64 value, u64 alignment);
 u64 min64(u64 a, u64 b);
 u64 max64(u64 a, u64 b);