fixes

Author: tact1m4n3

port/raspberrypi/rp2xxx/build.zig

@@ -176,16 +176,13 @@ pub fn init(dep: *std.Build.Dependency) Self {
                     },
                 }),
                 .pico_flashless = chip_rp2040.derive(.{
-                    .entry = .{ .symbol_name = "_entry_point" },
-                    .linker_script = .{
-                        .generate = .none,
-                        .file = b.path("ld/rp2040/ram_image_linker.ld"),
-                    },
                     .ram_image = true,
+                    // we do not need any modifications to the default generated linker script
+                    .linker_script = .{},
                     .board = .{
                         .name = "RaspberryPi Pico (ram image)",
                         .url = "https://www.raspberrypi.com/products/raspberry-pi-pico/",
-                        .root_source_file = b.path("src/boards/raspberry_pi_pico.zig"),
+                        .root_source_file = b.path("src/boards/raspberry_pi_pico_flashless.zig"),
                     },
                 }),
                 .pico2_arm = chip_rp2350_arm.derive(.{
@@ -196,7 +193,6 @@ pub fn init(dep: *std.Build.Dependency) Self {
                     },
                 }),
                 .pico2_arm_flashless = chip_rp2350_arm.derive(.{
-                    .entry = .{ .symbol_name = "_entry_point" },
                     .ram_image = true,
                     .linker_script = .{
                         .file = b.path("ld/rp2350/arm_ram_image_sections.ld"),
@@ -214,6 +210,17 @@ pub fn init(dep: *std.Build.Dependency) Self {
                         .root_source_file = b.path("src/boards/raspberry_pi_pico2.zig"),
                     },
                 }),
+                // .pico2_riscv_flashless = chip_rp2350_riscv.derive(.{
+                //     .ram_image = true,
+                //     .linker_script = .{
+                //         .file = b.path("ld/rp2350/arm_ram_image_sections.ld"),
+                //     },
+                //     .board = .{
+                //         .name = "RaspberryPi Pico 2 (ram image)",
+                //         .url = "https://www.raspberrypi.com/products/raspberry-pi-pico2/",
+                //         .root_source_file = b.path("src/boards/raspberry_pi_pico2.zig"),
+                //     },
+                // }),
             },
             .waveshare = .{
                 .rp2040_plus_4m = chip_rp2040.derive(.{

port/raspberrypi/rp2xxx/src/boards/raspberry_pi_pico_flashless.zig

@@ -0,0 +1 @@
+pub const xosc_freq = 12_000_000;