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Merge remote-tracking branch 'upstream/px4io-i2c' into px4io-i2c-throttle

sbg
Simon Wilks 12 years ago
parent
c26fdecad2 42694a5736
commit
5cca76f414
1 changed files with 109 additions and 97 deletions
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  1. 206
      Debug/ARMv7M

206
Debug/ARMv7M
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@ -19,120 +19,132 @@ end
define vecstate define vecstate
set $icsr = *(uint32_t *)0xe000ed04 set $icsr = *(unsigned *)0xe000ed04
set $vect = $icsr & 0x1ff set $vect = $icsr & 0x1ff
set $pend = ($icsr & 0x1ff000) >> 12 set $pend = ($icsr & 0x1ff000) >> 12
set $shcsr = *(uint32_t *)0xe000ed24 set $shcsr = *(unsigned *)0xe000ed24
set $cfsr = *(uint32_t *)0xe000ed28 set $cfsr = *(unsigned *)0xe000ed28
set $mmfsr = $cfsr & 0xff set $mmfsr = $cfsr & 0xff
set $bfsr = ($cfsr >> 8) & 0xff set $bfsr = ($cfsr >> 8) & 0xff
set $ufsr = ($cfsr >> 16) & 0xffff set $ufsr = ($cfsr >> 16) & 0xffff
set $hfsr = *(uint32_t *)0xe000ed2c set $hfsr = *(unsigned *)0xe000ed2c
set $bfar = *(uint32_t *)0xe000ed38 set $bfar = *(unsigned *)0xe000ed38
set $mmfar = *(uint32_t *)0xe000ed34 set $mmfar = *(unsigned *)0xe000ed34
# XXX Currently, rather than look at $vect, we just decode the if $vect < 15
# fault status registers directly.
if $hfsr != 0 if $hfsr != 0
printf "HardFault:" printf "HardFault:"
if $hfsr & (1<<1) if $hfsr & (1<<1)
printf " due to vector table read fault\n" printf " due to vector table read fault\n"
end
if $hfsr & (1<<30)
printf " forced due to escalated or disabled configurable fault (see below)\n"
end
if $hfsr & (1<<31)
printf " due to an unexpected debug event\n"
end
end
if $mmfsr != 0
printf "MemManage:"
if $mmfsr & (1<<5)
printf " during lazy FP state save"
end
if $mmfsr & (1<<4)
printf " during exception entry"
end
if $mmfsr & (1<<3)
printf " during exception return"
end
if $mmfsr & (1<<0)
printf " during data access"
end
if $mmfsr & (1<<0)
printf " during instruction prefetch"
end
if $mmfsr & (1<<7)
printf " accessing 0x%08x", $mmfar
end
printf "\n"
end
if $bfsr != 0
printf "BusFault:"
if $bfsr & (1<<2)
printf " (imprecise)"
end
if $bfsr & (1<<1)
printf " (precise)"
end
if $bfsr & (1<<5)
printf " during lazy FP state save"
end
if $bfsr & (1<<4)
printf " during exception entry"
end
if $bfsr & (1<<3)
printf " during exception return"
end
if $bfsr & (1<<0)
printf " during instruction prefetch"
end
if $bfsr & (1<<7)
printf " accessing 0x%08x", $bfar
end
printf "\n"
end
if $ufsr != 0
printf "UsageFault"
if $ufsr & (1<<9)
printf " due to divide-by-zero"
end
if $ufsr & (1<<8)
printf " due to unaligned memory access"
end
if $ufsr & (1<<3)
printf " due to access to disabled/absent coprocessor"
end
if $ufsr & (1<<2)
printf " due to a bad EXC_RETURN value"
end
if $ufsr & (1<<1)
printf " due to bad T or IT bits in EPSR"
end
if $ufsr & (1<<0)
printf " due to executing an undefined instruction"
end
printf "\n"
end end
if $hfsr & (1<<30) else
printf " forced ue to escalated or disabled configurable fault (see below)\n" if $vect >= 15
end printf "Handling vector %u\n", $vect
if $hfsr & (1<<31)
printf " due to an unexpected debug event\n"
end
end
if $mmfsr != 0
printf "MemManage:"
if $mmfsr & (1<<5)
printf " during lazy FP state save"
end
if $mmfsr & (1<<4)
printf " during exception entry"
end
if $mmfsr & (1<<3)
printf " during exception return"
end
if $mmfsr & (1<<0)
printf " during data access"
end
if $mmfsr & (1<<0)
printf " during instruction prefetch"
end
if $mmfsr & (1<<7)
printf " accessing 0x%08x", $mmfar
end
printf "\n"
end
if $bfsr != 0
printf "BusFault:"
if $bfsr & (1<<2)
printf " (imprecise)"
end
if $bfsr & (1<<1)
printf " (precise)"
end
if $bfsr & (1<<5)
printf " during lazy FP state save"
end
if $bfsr & (1<<4)
printf " during exception entry"
end
if $bfsr & (1<<3)
printf " during exception return"
end
if $bfsr & (1<<0)
printf " during instruction prefetch"
end
if $bfsr & (1<<7)
printf " accessing 0x%08x", $bfar
end
printf "\n"
end
if $ufsr != 0
printf "UsageFault"
if $ufsr & (1<<9)
printf " due to divide-by-zero"
end
if $ufsr & (1<<8)
printf " due to unaligned memory access"
end
if $ufsr & (1<<3)
printf " due to access to disabled/absent coprocessor"
end
if $ufsr & (1<<2)
printf " due to a bad EXC_RETURN value"
end
if $ufsr & (1<<1)
printf " due to bad T or IT bits in EPSR"
end
if $ufsr & (1<<0)
printf " due to executing an undefined instruction"
end end
printf "\n"
end end
if ((uint32_t)$lr & 0xf0000000) == 0xf0000000 if ((unsigned)$lr & 0xf0000000) == 0xf0000000
if ($lr & 1) if ($lr & 1)
set $frame_ptr = (uint32_t *)$msp printf "exception frame is on MSP\n"
#set $frame_ptr = (unsigned *)$msp
set $frame_ptr = (unsigned *)$sp
else else
set $frame_ptr = (uint32_t *)$psp printf "exception frame is on PSP, backtrace may not be possible\n"
#set $frame_ptr = (unsigned *)$psp
set $frame_ptr = (unsigned *)$sp
end end
printf " r0: %08x r1: %08x r2: %08x r3: %08x\n, $frame_ptr[0], $frame_ptr[1], $frame_ptr[2], $frame_ptr[3] if $lr & 0x10
set $fault_sp = $frame_ptr + (8 * 4)
else
set $fault_sp = $frame_ptr + (26 * 4)
end
printf " r0: %08x r1: %08x r2: %08x r3: %08x\n", $frame_ptr[0], $frame_ptr[1], $frame_ptr[2], $frame_ptr[3]
printf " r4: %08x r5: %08x r6: %08x r7: %08x\n", $r4, $r5, $r6, $r7 printf " r4: %08x r5: %08x r6: %08x r7: %08x\n", $r4, $r5, $r6, $r7
printf " r8: %08x r9: %08x r10: %08x r11: %08x\n", $r8, $r9, $r10, $r11 printf " r8: %08x r9: %08x r10: %08x r11: %08x\n", $r8, $r9, $r10, $r11
printf " r12: $08x lr: %08x pc: %08xx PSR: %08x\n", $frame_ptr[4], $frame_ptr[5], $frame_ptr[6], $frame_ptr[7] printf " r12: %08x\n", $frame_ptr[4]
printf " sp: %08x lr: %08x pc: %08x PSR: %08x\n", $fault_sp, $frame_ptr[5], $frame_ptr[6], $frame_ptr[7]
# Swap to the context of the faulting code and try to print a backtrace # Swap to the context of the faulting code and try to print a backtrace
set $saved_sp = $sp set $saved_sp = $sp
if $lr & 0x10 set $sp = $fault_sp
set $sp = $frame_ptr + (8 * 4)
else
set $sp = $frame_ptr + (26 * 4)
end
set $saved_lr = $lr set $saved_lr = $lr
set $lr = $frame_ptr[5] set $lr = $frame_ptr[5]
set $saved_pc = $pc set $saved_pc = $pc
@ -142,7 +154,7 @@ define vecstate
set $lr = $saved_lr set $lr = $saved_lr
set $pc = $saved_pc set $pc = $saved_pc
else else
printf "(not currently in exception state)\n" printf "(not currently in exception handler)\n"
end end
end end

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