*.d
*.swp
*.img
+*.elf
+*.sym
*.map
dis
*.log
-target remote localhost:1234
-disp/i $pc
+#target remote localhost:1234
+##symbol-file 86kern.sym
+#disp/i $pc
+#set disassembly-flavor intel
+#set architecture i8086
+
+
+# Special mode for GDB that allows to debug/disassemble REAL MODE x86 code
+#
+# It has been designed to be used with QEMU or BOCHS gdb-stub
+#
+# 08/2011 Hugo Mercier - GPL v3 license
+#
+# Freely inspired from "A user-friendly gdb configuration file" widely available
+# on the Internet
+
+set confirm off
+set verbose off
+set prompt \033[31mreal-mode-gdb$ \033[0m
+
+set output-radix 0d10
+set input-radix 0d10
+
+# These make gdb never pause in its output
+set height 0
+set width 0
+
+# Intel syntax
set disassembly-flavor intel
-set architecture i8086
+# Real mode
+#set architecture i8086
+
+set $SHOW_CONTEXT = 1
+
+set $REAL_MODE = 1
+
+# By default A20 is present
+set $ADDRESS_MASK = 0x1FFFFF
+
+# nb of instructions to display
+set $CODE_SIZE = 10
+
+define enable-a20
+ set $ADDRESS_MASK = 0x1FFFFF
+end
+define disable-a20
+ set $ADDRESS_MASK = 0x0FFFFF
+end
+
+# convert segment:offset address to physical address
+define r2p
+ if $argc < 2
+ printf "Arguments: segment offset\n"
+ else
+ set $ADDR = (((unsigned long)$arg0 & 0xFFFF) << 4) + (((unsigned long)$arg1 & 0xFFFF) & $ADDRESS_MASK)
+ printf "0x%05X\n", $ADDR
+ end
+end
+document r2p
+Convert segment:offset address to physical address
+Set the global variable $ADDR to the computed one
+end
+
+# get address of Interruption
+define int_addr
+ if $argc < 1
+ printf "Argument: interruption_number\n"
+ else
+ set $offset = (unsigned short)*($arg0 * 4)
+ set $segment = (unsigned short)*($arg0 * 4 + 2)
+ r2p $segment $offset
+ printf "%04X:%04X\n", $segment, $offset
+ end
+end
+document int_addr
+Get address of interruption
+end
+
+define compute_regs
+ set $rax = ((unsigned long)$eax & 0xFFFF)
+ set $rbx = ((unsigned long)$ebx & 0xFFFF)
+ set $rcx = ((unsigned long)$ecx & 0xFFFF)
+ set $rdx = ((unsigned long)$edx & 0xFFFF)
+ set $rsi = ((unsigned long)$esi & 0xFFFF)
+ set $rdi = ((unsigned long)$edi & 0xFFFF)
+ set $rbp = ((unsigned long)$ebp & 0xFFFF)
+ set $rsp = ((unsigned long)$esp & 0xFFFF)
+ set $rcs = ((unsigned long)$cs & 0xFFFF)
+ set $rds = ((unsigned long)$ds & 0xFFFF)
+ set $res = ((unsigned long)$es & 0xFFFF)
+ set $rss = ((unsigned long)$ss & 0xFFFF)
+ set $rip = ((((unsigned long)$cs & 0xFFFF) << 4) + ((unsigned long)$eip & 0xFFFF)) & $ADDRESS_MASK
+ set $r_ss_sp = ((((unsigned long)$ss & 0xFFFF) << 4) + ((unsigned long)$esp & 0xFFFF)) & $ADDRESS_MASK
+ set $r_ss_bp = ((((unsigned long)$ss & 0xFFFF) << 4) + ((unsigned long)$ebp & 0xFFFF)) & $ADDRESS_MASK
+end
+
+define print_regs
+ printf "AX: %04X BX: %04X ", $rax, $rbx
+ printf "CX: %04X DX: %04X\n", $rcx, $rdx
+ printf "SI: %04X DI: %04X ", $rsi, $rdi
+ printf "SP: %04X BP: %04X\n", $rsp, $rbp
+ printf "CS: %04X DS: %04X ", $rcs, $rds
+ printf "ES: %04X SS: %04X\n", $res, $rss
+ printf "\n"
+ printf "IP: %04X EIP:%08X\n", ((unsigned short)$eip & 0xFFFF), $eip
+ printf "CS:IP: %04X:%04X (0x%05X)\n", $rcs, ((unsigned short)$eip & 0xFFFF), $rip
+ printf "SS:SP: %04X:%04X (0x%05X)\n", $rss, $rsp, $r_ss_sp
+ printf "SS:BP: %04X:%04X (0x%05X)\n", $rss, $rbp, $r_ss_bp
+end
+document print_regs
+Print CPU registers
+end
+
+define print_eflags
+ printf "OF <%d> DF <%d> IF <%d> TF <%d>",\
+ (($eflags >> 0xB) & 1), (($eflags >> 0xA) & 1), \
+ (($eflags >> 9) & 1), (($eflags >> 8) & 1)
+ printf " SF <%d> ZF <%d> AF <%d> PF <%d> CF <%d>\n",\
+ (($eflags >> 7) & 1), (($eflags >> 6) & 1),\
+ (($eflags >> 4) & 1), (($eflags >> 2) & 1), ($eflags & 1)
+ printf "ID <%d> VIP <%d> VIF <%d> AC <%d>",\
+ (($eflags >> 0x15) & 1), (($eflags >> 0x14) & 1), \
+ (($eflags >> 0x13) & 1), (($eflags >> 0x12) & 1)
+ printf " VM <%d> RF <%d> NT <%d> IOPL <%d>\n",\
+ (($eflags >> 0x11) & 1), (($eflags >> 0x10) & 1),\
+ (($eflags >> 0xE) & 1), (($eflags >> 0xC) & 3)
+end
+document print_eflags
+Print eflags register.
+end
+
+# dump content of bytes in memory
+# arg0 : addr
+# arg1 : nb of bytes
+define _dump_memb
+ if $argc < 2
+ printf "Arguments: address number_of_bytes\n"
+ else
+ set $_nb = $arg1
+ set $_i = 0
+ set $_addr = $arg0
+ while ($_i < $_nb)
+ printf "%02X ", *((unsigned char*)$_addr + $_i)
+ set $_i++
+ end
+ end
+end
+
+# dump content of memory in words
+# arg0 : addr
+# arg1 : nb of words
+define _dump_memw
+ if $argc < 2
+ printf "Arguments: address number_of_words\n"
+ else
+ set $_nb = $arg1
+ set $_i = 0
+ set $_addr = $arg0
+ while ($_i < $_nb)
+ printf "%04X ", *((unsigned short*)$_addr + $_i)
+ set $_i++
+ end
+ end
+end
+
+# display data at given address
+define print_data
+ if ($argc > 0)
+ set $seg = $arg0
+ set $off = $arg1
+ set $raddr = ($arg0 << 16) + $arg1
+ set $maddr = ($arg0 << 4) + $arg1
+
+ set $w = 16
+ set $i = (int)0
+ while ($i < 4)
+ printf "%08X: ", ($raddr + $i * $w)
+ set $j = (int)0
+ while ($j < $w)
+ printf "%02X ", *(unsigned char*)($maddr + $i * $w + $j)
+ set $j++
+ end
+ printf " "
+ set $j = (int)0
+ while ($j < $w)
+ set $c = *(unsigned char*)($maddr + $i * $w + $j)
+ if ($c > 32) && ($c < 128)
+ printf "%c", $c
+ else
+ printf "."
+ end
+ set $j++
+ end
+ printf "\n"
+ set $i++
+ end
+
+
+ end
+end
+
+define context
+ printf "---------------------------[ STACK ]---\n"
+ _dump_memw $r_ss_sp 8
+ printf "\n"
+ set $_a = $r_ss_sp + 16
+ _dump_memw $_a 8
+ printf "\n"
+ printf "---------------------------[ DS:SI ]---\n"
+ print_data $ds $rsi
+ printf "---------------------------[ ES:DI ]---\n"
+ print_data $es $rdi
+
+ printf "----------------------------[ CPU ]----\n"
+ print_regs
+ print_eflags
+ printf "---------------------------[ CODE ]----\n"
+
+ set $_code_size = $CODE_SIZE
+
+ # disassemble
+ # first call x/i with an address
+ # subsequent calls to x/i will increment address
+ if ($_code_size > 0)
+ x /i $rip
+ set $_code_size--
+ end
+ while ($_code_size > 0)
+ x /i
+ set $_code_size--
+ end
+end
+document context
+Print context window, i.e. regs, stack, ds:esi and disassemble cs:eip.
+end
+
+define hook-stop
+ compute_regs
+ if ($SHOW_CONTEXT > 0)
+ context
+ end
+end
+document hook-stop
+!!! FOR INTERNAL USE ONLY - DO NOT CALL !!!
+end
+
+# add a breakpoint on an interrupt
+define break_int
+ set $offset = (unsigned short)*($arg0 * 4)
+ set $segment = (unsigned short)*($arg0 * 4 + 2)
+
+ break *$offset
+end
+
+define break_int_if_ah
+ if ($argc < 2)
+ printf "Arguments: INT_N AH\n"
+ else
+ set $addr = (unsigned short)*($arg0 * 4)
+ set $segment = (unsigned short)*($arg0 * 4 + 2)
+ break *$addr if ((unsigned long)$eax & 0xFF00) == ($arg1 << 8)
+ end
+end
+document break_int_if_ah
+Install a breakpoint on INT N only if AH is equal to the expected value
+end
+
+define break_int_if_ax
+ if ($argc < 2)
+ printf "Arguments: INT_N AX\n"
+ else
+ set $addr = (unsigned short)*($arg0 * 4)
+ set $segment = (unsigned short)*($arg0 * 4 + 2)
+ break *$addr if ((unsigned long)$eax & 0xFFFF) == $arg1
+ end
+end
+document break_int_if_ax
+Install a breakpoint on INT N only if AX is equal to the expected value
+end
+
+define stepo
+ ## we know that an opcode starting by 0xE8 has a fixed length
+ ## for the 0xFF opcodes, we can enumerate what is possible to have
+
+ set $lip = $rip
+ set $offset = 0
+
+ # first, get rid of segment prefixes, if any
+ set $_byte1 = *(unsigned char *)$rip
+ # CALL DS:xx CS:xx, etc.
+ if ($_byte1 == 0x3E || $_byte1 == 0x26 || $_byte1 == 0x2E || $_byte1 == 0x36 || $_byte1 == 0x3E || $_byte1 == 0x64 || $_byte1 == 0x65)
+ set $lip = $rip + 1
+ set $_byte1 = *(unsigned char*)$lip
+ set $offset = 1
+ end
+ set $_byte2 = *(unsigned char *)($lip+1)
+ set $_byte3 = *(unsigned char *)($lip+2)
+
+ set $noffset = 0
+
+ if ($_byte1 == 0xE8)
+ # call near
+ set $noffset = 3
+ else
+ if ($_byte1 == 0xFF)
+ # A "ModR/M" byte follows
+ set $_mod = ($_byte2 & 0xC0) >> 6
+ set $_reg = ($_byte2 & 0x38) >> 3
+ set $_rm = ($_byte2 & 7)
+ #printf "mod: %d reg: %d rm: %d\n", $_mod, $_reg, $_rm
+
+ # only for CALL instructions
+ if ($_reg == 2 || $_reg == 3)
+
+ # default offset
+ set $noffset = 2
+
+ if ($_mod == 0)
+ if ($_rm == 6)
+ # a 16bit address follows
+ set $noffset = 4
+ end
+ else
+ if ($_mod == 1)
+ # a 8bit displacement follows
+ set $noffset = 3
+ else
+ if ($_mod == 2)
+ # 16bit displacement
+ set $noffset = 4
+ end
+ end
+ end
+
+ end
+ # end of _reg == 2 or _reg == 3
+
+ else
+ # else byte1 != 0xff
+ if ($_byte1 == 0x9A)
+ # call far
+ set $noffset = 5
+ else
+ if ($_byte1 == 0xCD)
+ # INTERRUPT CASE
+ set $noffset = 2
+ end
+ end
+
+ end
+ # end of byte1 == 0xff
+ end
+ # else byte1 != 0xe8
+
+ # if we have found a call to bypass we set a temporary breakpoint on next instruction and continue
+ if ($noffset != 0)
+ set $_nextaddress = $eip + $offset + $noffset
+ printf "Setting BP to %04X\n", $_nextaddress
+ tbreak *$_nextaddress
+ continue
+ # else we just single step
+ else
+ nexti
+ end
+end
+document stepo
+Step over calls
+This function will set a temporary breakpoint on next instruction after the call so the call will be bypassed
+You can safely use it instead nexti since it will single step code if it's not a call instruction (unless you want to go into the call function)
+end
+
+define step_until_iret
+ set $SHOW_CONTEXT=0
+ set $_found = 0
+ while (!$_found)
+ if (*(unsigned char*)$rip == 0xCF)
+ set $_found = 1
+ else
+ stepo
+ end
+ end
+ set $SHOW_CONTEXT=1
+ context
+end
+
+define step_until_ret
+ set $SHOW_CONTEXT=0
+ set $_found = 0
+ while (!$_found)
+ set $_p = *(unsigned char*)$rip
+ if ($_p == 0xC3 || $_p == 0xCB || $_p == 0xC2 || $_p == 0xCA)
+ set $_found = 1
+ else
+ stepo
+ end
+ end
+ set $SHOW_CONTEXT=1
+ context
+end
+
+define step_until_int
+ set $SHOW_CONTEXT = 0
+
+ while (*(unsigned char*)$rip != 0xCD)
+ stepo
+ end
+ set $SHOW_CONTEXT = 1
+ context
+end
+
+# Find a pattern in memory
+# The pattern is given by a string as arg0
+# If another argument is present it gives the starting address (0 otherwise)
+define find_in_mem
+ if ($argc >= 2)
+ set $_addr = $arg1
+ else
+ set $_addr = 0
+ end
+ set $_found = 0
+ set $_tofind = $arg0
+ while ($_addr < $ADDRESS_MASK) && (!$_found)
+ if ($_addr % 0x100 == 0)
+ printf "%08X\n", $_addr
+ end
+ set $_i = 0
+ set $_found = 1
+ while ($_tofind[$_i] != 0 && $_found == 1)
+ set $_b = *((char*)$_addr + $_i)
+ set $_t = (char)$_tofind[$_i]
+ if ($_t != $_b)
+ set $_found = 0
+ end
+ set $_i++
+ end
+ if ($_found == 1)
+ printf "Code found at 0x%05X\n", $_addr
+ end
+ set $_addr++
+ end
+end
+document find_in_mem
+ Find a pattern in memory
+ The pattern is given by a string as arg0
+ If another argument is present it gives the starting address (0 otherwise)
+end
+
+
+define step_until_code
+ set $_tofind = $arg0
+ set $SHOW_CONTEXT = 0
+
+ set $_found = 0
+ while (!$_found)
+ set $_i = 0
+ set $_found = 1
+
+ while ($_tofind[$_i] != 0 && $_found == 1)
+ set $_b = *((char*)$rip + $_i)
+ set $_t = (char)$_tofind[$_i]
+ if ($_t != $_b)
+ set $_found = 0
+ end
+ set $_i++
+ end
+
+ if ($_found == 0)
+ stepo
+ end
+ end
+
+ set $SHOW_CONTEXT = 1
+ context
+end
+
+set tdesc filename target.xml
+target remote localhost:1234
#disk_numsec = 2880
bin = 86kern
-img = 86kern.img
+elf = $(bin).elf
+img = $(bin).img
+sym = $(bin).sym
-CC = ia16-elf-gcc
-LD = ia16-elf-ld
+TOOLPREFIX = ia16-elf-
+CC = $(TOOLPREFIX)gcc
+LD = $(TOOLPREFIX)ld
+OBJCOPY = $(TOOLPREFIX)objcopy
warn = -pedantic -Wall
inc = -nostdinc -Isrc -Isrc/libc
dd if=/dev/zero of=$@ bs=512 count=$(disk_numsec)
dd if=$< of=$@ bs=512 conv=notrunc
-$(bin): $(obj)
+$(bin): $(elf)
+ $(OBJCOPY) -O binary $< $@
+
+$(sym): $(elf)
+ $(OBJCOPY) --only-keep-debug $< $@
+
+$(elf): $(obj)
$(LD) -o $@ $(obj) $(LDFLAGS)
-include $(dep)
cleandep:
rm -f $(dep)
-
.PHONY: run
run: $(img)
qemu-system-i386 -fda $(img) -serial file:serial.log
.PHONY: debug
-debug: $(img)
+debug: $(img) $(bin).sym
qemu-system-i386 -fda $(img) -serial file:serial.log -s -S &
gdb
--- /dev/null
+<?xml version="1.0"?>\r
+<!-- Copyright (C) 2010-2017 Free Software Foundation, Inc.\r
+\r
+ Copying and distribution of this file, with or without modification,\r
+ are permitted in any medium without royalty provided the copyright\r
+ notice and this notice are preserved. -->\r
+\r
+<!-- I386 with SSE -->\r
+\r
+<!DOCTYPE target SYSTEM "gdb-target.dtd">\r
+<feature name="org.gnu.gdb.i386.core">\r
+ <flags id="i386_eflags" size="4">\r
+ <field name="" start="22" end="31"/>\r
+ <field name="ID" start="21" end="21"/>\r
+ <field name="VIP" start="20" end="20"/>\r
+ <field name="VIF" start="19" end="19"/>\r
+ <field name="AC" start="18" end="18"/>\r
+ <field name="VM" start="17" end="17"/>\r
+ <field name="RF" start="16" end="16"/>\r
+ <field name="" start="15" end="15"/>\r
+ <field name="NT" start="14" end="14"/>\r
+ <field name="IOPL" start="12" end="13"/>\r
+ <field name="OF" start="11" end="11"/>\r
+ <field name="DF" start="10" end="10"/>\r
+ <field name="IF" start="9" end="9"/>\r
+ <field name="TF" start="8" end="8"/>\r
+ <field name="SF" start="7" end="7"/>\r
+ <field name="ZF" start="6" end="6"/>\r
+ <field name="" start="5" end="5"/>\r
+ <field name="AF" start="4" end="4"/>\r
+ <field name="" start="3" end="3"/>\r
+ <field name="PF" start="2" end="2"/>\r
+ <field name="" start="1" end="1"/>\r
+ <field name="CF" start="0" end="0"/>\r
+ </flags>\r
+\r
+ <reg name="eax" bitsize="32" type="int32" regnum="0"/>\r
+ <reg name="ecx" bitsize="32" type="int32"/>\r
+ <reg name="edx" bitsize="32" type="int32"/>\r
+ <reg name="ebx" bitsize="32" type="int32"/>\r
+ <reg name="esp" bitsize="32" type="data_ptr"/>\r
+ <reg name="ebp" bitsize="32" type="data_ptr"/>\r
+ <reg name="esi" bitsize="32" type="int32"/>\r
+ <reg name="edi" bitsize="32" type="int32"/>\r
+\r
+ <reg name="eip" bitsize="32" type="code_ptr"/>\r
+ <reg name="eflags" bitsize="32" type="i386_eflags"/>\r
+\r
+ <reg name="cs" bitsize="32" type="int32"/>\r
+ <reg name="ss" bitsize="32" type="int32"/>\r
+ <reg name="ds" bitsize="32" type="int32"/>\r
+ <reg name="es" bitsize="32" type="int32"/>\r
+ <reg name="fs" bitsize="32" type="int32"/>\r
+ <reg name="gs" bitsize="32" type="int32"/>\r
+\r
+ <!-- Segment descriptor caches and TLS base MSRs -->\r
+\r
+ <!--reg name="cs_base" bitsize="32" type="int32"/>\r
+ <reg name="ss_base" bitsize="32" type="int32"/>\r
+ <reg name="ds_base" bitsize="32" type="int32"/>\r
+ <reg name="es_base" bitsize="32" type="int32"/-->\r
+ <reg name="fs_base" bitsize="32" type="int32"/>\r
+ <reg name="gs_base" bitsize="32" type="int32"/>\r
+ <reg name="k_gs_base" bitsize="32" type="int32"/>\r
+\r
+ <flags id="i386_cr0" size="4">\r
+ <field name="PG" start="31" end="31"/>\r
+ <field name="CD" start="30" end="30"/>\r
+ <field name="NW" start="29" end="29"/>\r
+ <field name="AM" start="18" end="18"/>\r
+ <field name="WP" start="16" end="16"/>\r
+ <field name="NE" start="5" end="5"/>\r
+ <field name="ET" start="4" end="4"/>\r
+ <field name="TS" start="3" end="3"/>\r
+ <field name="EM" start="2" end="2"/>\r
+ <field name="MP" start="1" end="1"/>\r
+ <field name="PE" start="0" end="0"/>\r
+ </flags>\r
+\r
+ <flags id="i386_cr3" size="4">\r
+ <field name="PDBR" start="12" end="31"/>\r
+ <!--field name="" start="3" end="11"/>\r
+ <field name="WT" start="2" end="2"/>\r
+ <field name="CD" start="1" end="1"/>\r
+ <field name="" start="0" end="0"/-->\r
+ <field name="PCID" start="0" end="11"/>\r
+ </flags>\r
+\r
+ <flags id="i386_cr4" size="4">\r
+ <field name="VME" start="0" end="0"/>\r
+ <field name="PVI" start="1" end="1"/>\r
+ <field name="TSD" start="2" end="2"/>\r
+ <field name="DE" start="3" end="3"/>\r
+ <field name="PSE" start="4" end="4"/>\r
+ <field name="PAE" start="5" end="5"/>\r
+ <field name="MCE" start="6" end="6"/>\r
+ <field name="PGE" start="7" end="7"/>\r
+ <field name="PCE" start="8" end="8"/>\r
+ <field name="OSFXSR" start="9" end="9"/>\r
+ <field name="OSXMMEXCPT" start="10" end="10"/>\r
+ <field name="UMIP" start="11" end="11"/>\r
+ <field name="LA57" start="12" end="12"/>\r
+ <field name="VMXE" start="13" end="13"/>\r
+ <field name="SMXE" start="14" end="14"/>\r
+ <field name="FSGSBASE" start="16" end="16"/>\r
+ <field name="PCIDE" start="17" end="17"/>\r
+ <field name="OSXSAVE" start="18" end="18"/>\r
+ <field name="SMEP" start="20" end="20"/>\r
+ <field name="SMAP" start="21" end="21"/>\r
+ <field name="PKE" start="22" end="22"/>\r
+ </flags>\r
+\r
+ <flags id="i386_efer" size="8">\r
+ <field name="TCE" start="15" end="15"/>\r
+ <field name="FFXSR" start="14" end="14"/>\r
+ <field name="LMSLE" start="13" end="13"/>\r
+ <field name="SVME" start="12" end="12"/>\r
+ <field name="NXE" start="11" end="11"/>\r
+ <field name="LMA" start="10" end="10"/>\r
+ <field name="LME" start="8" end="8"/>\r
+ <field name="SCE" start="0" end="0"/>\r
+ </flags>\r
+\r
+ <reg name="cr0" bitsize="32" type="i386_cr0"/>\r
+ <reg name="cr2" bitsize="32" type="int32"/>\r
+ <reg name="cr3" bitsize="32" type="i386_cr3"/>\r
+ <reg name="cr4" bitsize="32" type="i386_cr4"/>\r
+ <reg name="cr8" bitsize="32" type="int32"/>\r
+ <reg name="efer" bitsize="32" type="i386_efer"/>\r
+\r
+ <reg name="st0" bitsize="80" type="i387_ext"/>\r
+ <reg name="st1" bitsize="80" type="i387_ext"/>\r
+ <reg name="st2" bitsize="80" type="i387_ext"/>\r
+ <reg name="st3" bitsize="80" type="i387_ext"/>\r
+ <reg name="st4" bitsize="80" type="i387_ext"/>\r
+ <reg name="st5" bitsize="80" type="i387_ext"/>\r
+ <reg name="st6" bitsize="80" type="i387_ext"/>\r
+ <reg name="st7" bitsize="80" type="i387_ext"/>\r
+\r
+ <reg name="fctrl" bitsize="32" type="int" group="float"/>\r
+ <reg name="fstat" bitsize="32" type="int" group="float"/>\r
+ <reg name="ftag" bitsize="32" type="int" group="float"/>\r
+ <reg name="fiseg" bitsize="32" type="int" group="float"/>\r
+ <reg name="fioff" bitsize="32" type="int" group="float"/>\r
+ <reg name="foseg" bitsize="32" type="int" group="float"/>\r
+ <reg name="fooff" bitsize="32" type="int" group="float"/>\r
+ <reg name="fop" bitsize="32" type="int" group="float"/>\r
+<!--/feature>\r
+<feature name="org.gnu.gdb.i386.32bit.sse"-->\r
+ <vector id="v4f" type="ieee_single" count="4"/>\r
+ <vector id="v2d" type="ieee_double" count="2"/>\r
+ <vector id="v16i8" type="int8" count="16"/>\r
+ <vector id="v8i16" type="int16" count="8"/>\r
+ <vector id="v4i32" type="int32" count="4"/>\r
+ <vector id="v2i64" type="int64" count="2"/>\r
+ <union id="vec128">\r
+ <field name="v4_float" type="v4f"/>\r
+ <field name="v2_double" type="v2d"/>\r
+ <field name="v16_int8" type="v16i8"/>\r
+ <field name="v8_int16" type="v8i16"/>\r
+ <field name="v4_int32" type="v4i32"/>\r
+ <field name="v2_int64" type="v2i64"/>\r
+ <field name="uint128" type="uint128"/>\r
+ </union>\r
+ <flags id="i386_mxcsr" size="4">\r
+ <field name="IE" start="0" end="0"/>\r
+ <field name="DE" start="1" end="1"/>\r
+ <field name="ZE" start="2" end="2"/>\r
+ <field name="OE" start="3" end="3"/>\r
+ <field name="UE" start="4" end="4"/>\r
+ <field name="PE" start="5" end="5"/>\r
+ <field name="DAZ" start="6" end="6"/>\r
+ <field name="IM" start="7" end="7"/>\r
+ <field name="DM" start="8" end="8"/>\r
+ <field name="ZM" start="9" end="9"/>\r
+ <field name="OM" start="10" end="10"/>\r
+ <field name="UM" start="11" end="11"/>\r
+ <field name="PM" start="12" end="12"/>\r
+ <field name="FZ" start="15" end="15"/>\r
+ </flags>\r
+\r
+ <reg name="xmm0" bitsize="128" type="vec128"/>\r
+ <reg name="xmm1" bitsize="128" type="vec128"/>\r
+ <reg name="xmm2" bitsize="128" type="vec128"/>\r
+ <reg name="xmm3" bitsize="128" type="vec128"/>\r
+ <reg name="xmm4" bitsize="128" type="vec128"/>\r
+ <reg name="xmm5" bitsize="128" type="vec128"/>\r
+ <reg name="xmm6" bitsize="128" type="vec128"/>\r
+ <reg name="xmm7" bitsize="128" type="vec128"/>\r
+\r
+ <reg name="mxcsr" bitsize="32" type="i386_mxcsr" group="vector"/>\r
+</feature>
\ No newline at end of file
-OUTPUT_FORMAT(binary)
+OUTPUT_FORMAT(elf32-i386)
ENTRY(_start)
SECTIONS {
#define VERSTR "v0.0"
/* CONDEV: which device to use for the kernel console (DEV_VID or DEV_SER) */
-#define CONDEV DEV_SER
+#define CONDEV DEV_VID
#endif /* CONFIG_H_ */
--- /dev/null
+<?xml version="1.0"?><!DOCTYPE target SYSTEM "gdb-target.dtd">\r
+<target>\r
+ <architecture>i8086</architecture>\r
+ <xi:include href="i386-32bit.xml"/>\r
+</target>
\ No newline at end of file
projects / eightysix / commitdiff