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Difference between revisions of "Bootx (iBoot command)"
(bootx function from iPhone 3GS at 3.1.2) |
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| − | N88AP_iBoot:4FF007E8 ; =============== S U B R O U T I N E ======================================= |
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| − | N88AP_iBoot:4FF007E8 |
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| − | N88AP_iBoot:4FF007E8 ; Attributes: bp-based frame |
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| − | N88AP_iBoot:4FF007E8 |
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| − | N88AP_iBoot:4FF007E8 n88ap__iBoot__bootx_function ; DATA XREF: N88AP_iBoot:n88ap__iBoot__bootx�o |
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| − | N88AP_iBoot:4FF007E8 |
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| − | N88AP_iBoot:4FF007E8 kernelcache_prepped_memory_pos= -0x10 |
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| − | N88AP_iBoot:4FF007E8 oldR4 = -0xC |
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| − | N88AP_iBoot:4FF007E8 oldR7 = -8 |
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| − | N88AP_iBoot:4FF007E8 oldLR = -4 |
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| − | N88AP_iBoot:4FF007E8 |
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| − | N88AP_iBoot:4FF007E8 000 PUSH {R4,R7,LR} ; Push registers |
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| − | N88AP_iBoot:4FF007EA 00C ADD R7, SP, #4 ; Rd = Op1 + Op2 |
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| − | N88AP_iBoot:4FF007EC 00C SUB SP, SP, #4 ; Rd = Op1 - Op2 |
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| − | N88AP_iBoot:4FF007EE 010 CMP R0, #1 ; Set cond. codes on Op1 - Op2 |
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| − | N88AP_iBoot:4FF007F0 010 MOV R4, R1 ; Rd = Op2 |
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| − | N88AP_iBoot:4FF007F2 010 BLE loc_4FF00808 ; Branch |
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| − | N88AP_iBoot:4FF007F4 010 LDR R1, [R1,#0x24] ; Load from Memory |
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| − | N88AP_iBoot:4FF007F6 010 LDR R0, =aHelp ; "help" |
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| − | N88AP_iBoot:4FF007F8 010 BL sub_4FF1ECA0 ; Branch with Link |
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| − | N88AP_iBoot:4FF007FC 010 CBNZ R0, loc_4FF00808 ; Compare and Branch on Non-Zero |
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| − | N88AP_iBoot:4FF007FE 010 LDR R1, [R4,#0x10] ; param_R1 |
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| − | N88AP_iBoot:4FF00800 010 LDR R0, =aUsageSAddress ; "usage:\n\t%s [<address>]\n" |
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| − | N88AP_iBoot:4FF00802 010 BL N88AP__iBOOT__console_printf ; Branch with Link |
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| − | N88AP_iBoot:4FF00806 010 B loc_4FF0081C ; Branch |
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| − | N88AP_iBoot:4FF00808 ; --------------------------------------------------------------------------- |
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| − | N88AP_iBoot:4FF00808 |
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| − | N88AP_iBoot:4FF00808 loc_4FF00808 ; CODE XREF: n88ap__iBoot__bootx_function+A�j |
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| − | N88AP_iBoot:4FF00808 ; n88ap__iBoot__bootx_function+14�j |
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| − | N88AP_iBoot:4FF00808 010 MOV.W R0, #n88ap_ramdisk ; Rd = Op2 |
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| − | N88AP_iBoot:4FF0080C 010 MOV.W R1, #0xF00000 ; Rd = Op2 |
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| − | N88AP_iBoot:4FF00810 010 BL sub_4FF1A038 ; Branch with Link |
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| − | N88AP_iBoot:4FF00814 010 CBNZ R0, loc_4FF00822 ; Compare and Branch on Non-Zero |
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| − | N88AP_iBoot:4FF00816 010 LDR R0, =aPermissionDenied ; "Permission Denied\n" |
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| − | N88AP_iBoot:4FF00818 010 BL N88AP__iBOOT__console_printf ; Branch with Link |
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| − | N88AP_iBoot:4FF0081C |
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| − | N88AP_iBoot:4FF0081C loc_4FF0081C ; CODE XREF: n88ap__iBoot__bootx_function+1E�j |
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| − | N88AP_iBoot:4FF0081C 010 MOV.W R4, #0xFFFFFFFF ; Rd = Op2 |
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| − | N88AP_iBoot:4FF00820 010 B loc_4FF0085C ; Branch |
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| − | N88AP_iBoot:4FF00822 ; --------------------------------------------------------------------------- |
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| − | N88AP_iBoot:4FF00822 |
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| − | N88AP_iBoot:4FF00822 loc_4FF00822 ; CODE XREF: n88ap__iBoot__bootx_function+2C�j |
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| − | N88AP_iBoot:4FF00822 010 MOV.W R1, #n88ap_ramdisk ; param_R1 |
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| − | N88AP_iBoot:4FF00826 010 LDR R0, =aAttemptingToValidateKernelcache0x08x ; "Attempting to validate kernelcache @ 0x"... |
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| − | N88AP_iBoot:4FF00828 010 BL N88AP__iBOOT__console_printf ; Branch with Link |
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| − | N88AP_iBoot:4FF0082C 010 MOV.W R0, #n88ap_ramdisk ; memoery_pos |
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| − | N88AP_iBoot:4FF00830 010 MOV.W R1, #0xF00000 ; memory_size |
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| − | N88AP_iBoot:4FF00834 010 MOV R2, SP ; Rd = Op2 |
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| − | N88AP_iBoot:4FF00836 010 BL LoadImage_kernelcache_img3 ; Branch with Link |
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| − | N88AP_iBoot:4FF0083A 010 CMP R0, #0 ; Set cond. codes on Op1 - Op2 |
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| − | N88AP_iBoot:4FF0083C 010 MOV R4, R0 ; Rd = Op2 |
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| − | N88AP_iBoot:4FF0083E 010 BGE loc_4FF00848 ; Branch |
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| − | N88AP_iBoot:4FF00840 010 LDR R0, =aErrorLoadingKernelcache ; "error loading kernelcache\n" |
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| − | N88AP_iBoot:4FF00842 010 BL N88AP__iBOOT__console_printf ; Branch with Link |
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| − | N88AP_iBoot:4FF00846 010 B loc_4FF0085C ; Branch |
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| − | N88AP_iBoot:4FF00848 ; --------------------------------------------------------------------------- |
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| − | N88AP_iBoot:4FF00848 |
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| − | N88AP_iBoot:4FF00848 loc_4FF00848 ; CODE XREF: n88ap__iBoot__bootx_function+56�j |
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| − | N88AP_iBoot:4FF00848 010 LDR R1, [SP,#0x10+kernelcache_prepped_memory_pos] ; param_R1 |
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| − | N88AP_iBoot:4FF0084A 010 LDR R0, =aKernelcachePreppedAtAddress0x08x ; "kernelcache prepped at address 0x%08x\n" |
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| − | N88AP_iBoot:4FF0084C 010 BL N88AP__iBOOT__console_printf ; Branch with Link |
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| − | N88AP_iBoot:4FF00850 010 LDR R2, =dword_4FF2DC40 ; Load from Memory |
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| − | N88AP_iBoot:4FF00852 010 MOVS R0, #3 ; Rd = Op2 |
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| − | N88AP_iBoot:4FF00854 010 LDR R1, [SP,#0x10+kernelcache_prepped_memory_pos] ; Load from Memory |
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| − | N88AP_iBoot:4FF00856 010 LDR R2, [R2] ; Load from Memory |
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| − | N88AP_iBoot:4FF00858 010 BL sub_4FF19264 ; Branch with Link |
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| − | N88AP_iBoot:4FF0085C |
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| − | N88AP_iBoot:4FF0085C loc_4FF0085C ; CODE XREF: n88ap__iBoot__bootx_function+38�j |
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| − | N88AP_iBoot:4FF0085C ; n88ap__iBoot__bootx_function+5E�j |
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| − | N88AP_iBoot:4FF0085C 010 MOV R0, R4 ; Rd = Op2 |
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| − | N88AP_iBoot:4FF0085E 010 SUB.W SP, R7, #4 ; Rd = Op1 - Op2 |
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| − | N88AP_iBoot:4FF00862 010 POP {R4,R7,PC} ; Pop registers |
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| − | N88AP_iBoot:4FF00862 ; End of function n88ap__iBoot__bootx_function |
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| − | N88AP_iBoot:4FF00862 |
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| − | N88AP_iBoot:4FF00862 ; --------------------------------------------------------------------------- |
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| − | N88AP_iBoot:4FF00864 off_4FF00864 DCD aHelp ; DATA XREF: n88ap__iBoot__bootx_function+E�r |
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| − | N88AP_iBoot:4FF00864 ; "help" |
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| − | N88AP_iBoot:4FF00868 ; int off_4FF00868 |
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| − | N88AP_iBoot:4FF00868 off_4FF00868 DCD aUsageSAddress ; DATA XREF: n88ap__iBoot__bootx_function+18�r |
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| − | N88AP_iBoot:4FF00868 ; "usage:\n\t%s [<address>]\n" |
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| − | N88AP_iBoot:4FF0086C ; int off_4FF0086C |
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| − | N88AP_iBoot:4FF0086C off_4FF0086C DCD aPermissionDenied ; DATA XREF: n88ap__iBoot__bootx_function+2E�r |
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| − | N88AP_iBoot:4FF0086C ; "Permission Denied\n" |
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| − | N88AP_iBoot:4FF00870 ; int off_4FF00870 |
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| − | N88AP_iBoot:4FF00870 off_4FF00870 DCD aAttemptingToValidateKernelcache0x08x |
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| − | N88AP_iBoot:4FF00870 ; DATA XREF: n88ap__iBoot__bootx_function+3E�r |
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| − | N88AP_iBoot:4FF00870 ; "Attempting to validate kernelcache @ 0x"... |
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| − | N88AP_iBoot:4FF00874 ; int off_4FF00874 |
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| − | N88AP_iBoot:4FF00874 off_4FF00874 DCD aErrorLoadingKernelcache |
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| − | N88AP_iBoot:4FF00874 ; DATA XREF: n88ap__iBoot__bootx_function+58�r |
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| − | N88AP_iBoot:4FF00874 ; "error loading kernelcache\n" |
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| − | N88AP_iBoot:4FF00878 ; int off_4FF00878 |
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| − | N88AP_iBoot:4FF00878 off_4FF00878 DCD aKernelcachePreppedAtAddress0x08x |
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| − | N88AP_iBoot:4FF00878 ; DATA XREF: n88ap__iBoot__bootx_function+62�r |
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| − | N88AP_iBoot:4FF00878 ; "kernelcache prepped at address 0x%08x\n" |
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| − | N88AP_iBoot:4FF0087C off_4FF0087C DCD dword_4FF2DC40 ; DATA XREF: n88ap__iBoot__bootx_function+68�r |
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| − | N88AP_iBoot:4FF00880 |
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