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authorJacques Comeaux <jacquesrcomeaux@protonmail.com>2024-06-04 19:28:25 -0500
committerJacques Comeaux <jacquesrcomeaux@protonmail.com>2024-06-04 19:28:25 -0500
commitf2f186c3594a922e51abf25b24052c61f833a2bf (patch)
treea4cd5bb88adc8b94582ed40a8a7ad04235a9db69 /hexedit
parentb38a844ed9f6ad17d58db3e143ebc0c858762ec6 (diff)
Rename stage 0 editor
Diffstat (limited to 'hexedit')
-rw-r--r--hexedit/Makefile22
-rw-r--r--hexedit/hexedit.s34
-rw-r--r--hexedit/main.s18
-rw-r--r--hexedit/pico_persist.ld13
-rw-r--r--hexedit/uart.s33
5 files changed, 0 insertions, 120 deletions
diff --git a/hexedit/Makefile b/hexedit/Makefile
deleted file mode 100644
index dd70409..0000000
--- a/hexedit/Makefile
+++ /dev/null
@@ -1,22 +0,0 @@
-all: build
-
-build: hexedit.uf2
-
-hexedit.uf2: hexedit.elf
- ../elf/elf2uf2 hexedit.elf hexedit.uf2
-
-objects = uart.o main.o hexedit.o
-
-hexedit.elf: $(objects)
- arm-none-eabi-ld -T pico_persist.ld -o hexedit.elf $(objects) ../setup/setup.so
- ./checksum_pico_elf.py hexedit.elf
-
-$(objects): %.o: %.s
- arm-none-eabi-as -o $@ $<
-
-clean:
- rm hexedit.elf hexedit.uf2 *.o
-
-flash: hexedit.uf2
- [ -h /dev/disk/by-label/RPI-RP2 ] || sleep 3s
- cat hexedit.uf2 > /dev/disk/by-label/RPI-RP2
diff --git a/hexedit/hexedit.s b/hexedit/hexedit.s
deleted file mode 100644
index 0800a3a..0000000
--- a/hexedit/hexedit.s
+++ /dev/null
@@ -1,34 +0,0 @@
-.syntax unified
-.cpu cortex-m0plus
-.thumb
-
-.equ SRAM_BASE, 0x20000000
-
-.type hexedit, %function
-.global hexedit
-
-hexedit:
- ldr r6, =SRAM_BASE
- adds r5, r6, 1
-10:
- movs r4, 0
-20:
- bl uart_recv
- cmp r0, '\r
- beq 30f
- cmp r0, 'G
- beq 40f
- bl uart_send
- subs r0, '0
- lsls r4, 3
- adds r4, r0
- b 20b
-30:
- bl uart_send
- movs r0, '\n
- bl uart_send
- strh r4, [r6]
- adds r6, 2
- b 10b
-40:
- bx r5
diff --git a/hexedit/main.s b/hexedit/main.s
deleted file mode 100644
index a12b4b3..0000000
--- a/hexedit/main.s
+++ /dev/null
@@ -1,18 +0,0 @@
-.syntax unified
-.cpu cortex-m0plus
-.thumb
-
-.section .entry, "ax"
-
-.type main, %function
-.global main
-
-main:
- bl start_xosc
- bl setup_clocks
- bl setup_gpio
- bl setup_uart
- b hexedit
-
-.section .stage_2_crc
-.word 0x00000000
diff --git a/hexedit/pico_persist.ld b/hexedit/pico_persist.ld
deleted file mode 100644
index 9c37aba..0000000
--- a/hexedit/pico_persist.ld
+++ /dev/null
@@ -1,13 +0,0 @@
-MEMORY {
- FLASH(rx) : ORIGIN = 0x10000000, LENGTH = 2M
- SRAM(rx) : ORIGIN = 0x20041f00, LENGTH = 256
-}
-
-SECTIONS {
- .text : {
- *(.entry);
- *(.text);
- . = 252;
- *(.stage_2_crc);
- } >SRAM AT>FLASH
-}
diff --git a/hexedit/uart.s b/hexedit/uart.s
deleted file mode 100644
index e79cbdc..0000000
--- a/hexedit/uart.s
+++ /dev/null
@@ -1,33 +0,0 @@
-.syntax unified
-.cpu cortex-m0plus
-.thumb
-
-.equ UART0_BASE, 0x40034000
-.equ UARTDR_OFST, 0x00
-.equ UARTFR_OFST, 0x18
-
-.type uart_send, %function
-.global uart_send
-
-uart_send:
- ldr r1, =UART0_BASE
- movs r3, 0b1 << 5 // TX FIFO full
-1:
- ldr r2, [r1, UARTFR_OFST]
- tst r2, r3
- bne 1b
- strb r0, [r1, UARTDR_OFST]
- bx lr
-
-.type uart_recv, %function
-.global uart_recv
-
-uart_recv:
- ldr r1, =UART0_BASE
- movs r3, 0b1 << 4 // RX FIFO empty
-1:
- ldr r2, [r1, UARTFR_OFST]
- tst r2, r3
- bne 1b
- ldrb r0, [r1, UARTDR_OFST]
- bx lr