Bootx (iBoot command)

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