103 lines
3.6 KiB
NASM
103 lines
3.6 KiB
NASM
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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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