Move register printout into new 'reg' command
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09c0d8c215
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e28e8eceb0
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@ -92,51 +92,6 @@ system_breakpoint_handler:
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call debug_print
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call print_string_to_monitor
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; print the display containing all of the registers
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; r1 - used to store a pointer to the current string
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; r2 - stores the current address on the stack
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; r3 - loop counter
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mov r1, system_breakpoint_r0_str
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mov r2, rsp
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mov r3, 0
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system_breakpoint_print_loop:
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; print the register label
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mov r0, r1
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call print_string_to_monitor
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; print the register value
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mov r0, [r2]
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call print_hex_word_to_monitor
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; adjust string pointer, stack address, and loop counter
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add r1, SYSTEM_BREAKPOINT_R_STR_SIZE
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inc r2, 4
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inc r3
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; decide whether to print a separator or a newline by checking if the loop
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; counter is a multiple of 4
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mov r0, r3
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and r0, 0x03
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ifnz jmp system_breakpoint_print_sep
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system_breakpoint_print_newline:
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mov r0, 10
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jmp system_breakpoint_print_last_char
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system_breakpoint_print_sep:
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mov r0, ' '
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call print_character_to_monitor
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mov r0, '|'
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call print_character_to_monitor
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mov r0, ' '
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system_breakpoint_print_last_char:
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call print_character_to_monitor
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; loop again if not on last register
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cmp r3, 35
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iflt jmp system_breakpoint_print_loop
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; print rip
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mov r0, system_breakpoint_rip_str
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call print_string_to_monitor
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mov r0, [r2+1]
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call print_hex_word_to_monitor
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mov r0, 10
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call print_character_to_monitor
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call invoke_monitor
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pop r0
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@ -177,40 +132,3 @@ system_breakpoint_print_last_char:
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pop rfp
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reti
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system_breakpoint_str: data.str "Breakpoint reached!" data.8 10 data.8 0
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const SYSTEM_BREAKPOINT_R_STR_SIZE: 7
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system_breakpoint_r0_str: data.strz "r0: "
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system_breakpoint_r1_str: data.strz "r1: "
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system_breakpoint_r2_str: data.strz "r2: "
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system_breakpoint_r3_str: data.strz "r3: "
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system_breakpoint_r4_str: data.strz "r4: "
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system_breakpoint_r5_str: data.strz "r5: "
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system_breakpoint_r6_str: data.strz "r6: "
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system_breakpoint_r7_str: data.strz "r7: "
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system_breakpoint_r8_str: data.strz "r8: "
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system_breakpoint_r9_str: data.strz "r9: "
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system_breakpoint_r10_str: data.strz "r10: "
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system_breakpoint_r11_str: data.strz "r11: "
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system_breakpoint_r12_str: data.strz "r12: "
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system_breakpoint_r13_str: data.strz "r13: "
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system_breakpoint_r14_str: data.strz "r14: "
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system_breakpoint_r15_str: data.strz "r15: "
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system_breakpoint_r16_str: data.strz "r16: "
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system_breakpoint_r17_str: data.strz "r17: "
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system_breakpoint_r18_str: data.strz "r18: "
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system_breakpoint_r19_str: data.strz "r19: "
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system_breakpoint_r20_str: data.strz "r20: "
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system_breakpoint_r21_str: data.strz "r21: "
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system_breakpoint_r22_str: data.strz "r22: "
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system_breakpoint_r23_str: data.strz "r23: "
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system_breakpoint_r24_str: data.strz "r24: "
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system_breakpoint_r25_str: data.strz "r25: "
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system_breakpoint_r26_str: data.strz "r26: "
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system_breakpoint_r27_str: data.strz "r27: "
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system_breakpoint_r28_str: data.strz "r28: "
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system_breakpoint_r29_str: data.strz "r29: "
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system_breakpoint_r30_str: data.strz "r30: "
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system_breakpoint_r31_str: data.strz "r31: "
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system_breakpoint_rsp_str: data.strz "rsp: "
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system_breakpoint_resp_str: data.strz "resp: "
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system_breakpoint_rfp_str: data.strz "rfp: "
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system_breakpoint_rip_str: data.strz "rip: "
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@ -29,6 +29,11 @@ monitor_shell_parse_command:
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call compare_string
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ifz jmp monitor_shell_load_command
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; reg
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mov r1, monitor_shell_reg_command_string
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call compare_string
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ifz jmp monitor_shell_reg_command
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; set.8
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mov r1, monitor_shell_set8_command_string
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call compare_string
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@ -59,4 +64,5 @@ monitor_shell_invalid_command_string: data.str "invalid command" data.8 10 data.
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#include "monitor/commands/jump.asm"
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#include "monitor/commands/list.asm"
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#include "monitor/commands/load.asm"
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#include "monitor/commands/reg.asm"
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#include "monitor/commands/set.asm"
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@ -16,5 +16,6 @@ monitor_shell_help_text:
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data.str "jump | jump to address $0" data.8 10
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data.str "list | list memory contents starting at address $0" data.8 10
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data.str "load | load disk $0's sector $1 to buffer at address $2 of size $3 sectors" data.8 10
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data.str "reg | list contents of all registers" data.8 10
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data.str "set.SZ | set [$0] to $1; equivalent to `mov.SZ [$0], $1`" data.8 10
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data.8 0
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102
monitor/commands/reg.asm
Normal file
102
monitor/commands/reg.asm
Normal file
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@ -0,0 +1,102 @@
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; reg command
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monitor_shell_reg_command_string: data.strz "reg"
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monitor_shell_reg_command:
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push r0
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push r1
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push r2
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push r3
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; print the display containing all of the registers
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; r1 - used to store a pointer to the current string
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; r2 - stores the current address on the stack
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; r3 - loop counter
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mov r1, monitor_shell_reg_command_r0_str
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mov r2, [MONITOR_OLD_RSP]
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inc r2, 4
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mov r3, 0
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monitor_shell_reg_command_print_loop:
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; print the register label
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mov r0, r1
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call print_string_to_monitor
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; print the register value
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mov r0, [r2]
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call print_hex_word_to_monitor
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; adjust string pointer, stack address, and loop counter
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add r1, MONITOR_SHELL_COMMAND_R_STR_SIZE
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inc r2, 4
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inc r3
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; decide whether to print a separator or a newline by checking if the loop
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; counter is a multiple of 4
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mov r0, r3
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and r0, 0x03
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ifnz jmp monitor_shell_reg_command_print_sep
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monitor_shell_reg_command_print_newline:
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mov r0, 10
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jmp monitor_shell_reg_command_print_last_char
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monitor_shell_reg_command_print_sep:
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mov r0, ' '
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call print_character_to_monitor
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mov r0, '|'
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call print_character_to_monitor
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mov r0, ' '
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monitor_shell_reg_command_print_last_char:
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call print_character_to_monitor
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; loop again if not on last register
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cmp r3, 35
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iflt jmp monitor_shell_reg_command_print_loop
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; print rip
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mov r0, monitor_shell_reg_command_rip_str
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call print_string_to_monitor
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mov r0, [r2+1]
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call print_hex_word_to_monitor
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mov r0, 10
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call print_character_to_monitor
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call redraw_monitor_console
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pop r3
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pop r2
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pop r1
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pop r0
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ret
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const MONITOR_SHELL_COMMAND_R_STR_SIZE: 7
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monitor_shell_reg_command_r0_str: data.strz "r0: "
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monitor_shell_reg_command_r1_str: data.strz "r1: "
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monitor_shell_reg_command_r2_str: data.strz "r2: "
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monitor_shell_reg_command_r3_str: data.strz "r3: "
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monitor_shell_reg_command_r4_str: data.strz "r4: "
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monitor_shell_reg_command_r5_str: data.strz "r5: "
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monitor_shell_reg_command_r6_str: data.strz "r6: "
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monitor_shell_reg_command_r7_str: data.strz "r7: "
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monitor_shell_reg_command_r8_str: data.strz "r8: "
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monitor_shell_reg_command_r9_str: data.strz "r9: "
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monitor_shell_reg_command_r10_str: data.strz "r10: "
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monitor_shell_reg_command_r11_str: data.strz "r11: "
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monitor_shell_reg_command_r12_str: data.strz "r12: "
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monitor_shell_reg_command_r13_str: data.strz "r13: "
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monitor_shell_reg_command_r14_str: data.strz "r14: "
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monitor_shell_reg_command_r15_str: data.strz "r15: "
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monitor_shell_reg_command_r16_str: data.strz "r16: "
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monitor_shell_reg_command_r17_str: data.strz "r17: "
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monitor_shell_reg_command_r18_str: data.strz "r18: "
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monitor_shell_reg_command_r19_str: data.strz "r19: "
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monitor_shell_reg_command_r20_str: data.strz "r20: "
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monitor_shell_reg_command_r21_str: data.strz "r21: "
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monitor_shell_reg_command_r22_str: data.strz "r22: "
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monitor_shell_reg_command_r23_str: data.strz "r23: "
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monitor_shell_reg_command_r24_str: data.strz "r24: "
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monitor_shell_reg_command_r25_str: data.strz "r25: "
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monitor_shell_reg_command_r26_str: data.strz "r26: "
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monitor_shell_reg_command_r27_str: data.strz "r27: "
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monitor_shell_reg_command_r28_str: data.strz "r28: "
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monitor_shell_reg_command_r29_str: data.strz "r29: "
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monitor_shell_reg_command_r30_str: data.strz "r30: "
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monitor_shell_reg_command_r31_str: data.strz "r31: "
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monitor_shell_reg_command_rsp_str: data.strz "rsp: "
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monitor_shell_reg_command_resp_str: data.strz "resp: "
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monitor_shell_reg_command_rfp_str: data.strz "rfp: "
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monitor_shell_reg_command_rip_str: data.strz "rip: "
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