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Fix ROM function signatures

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Fix a few function signatures that don't match the ROM according to the
datasheet.
_memset4 also has a wrong code in the datasheet, so match it to the
actual ROM.
This commit is contained in:
Derek Hageman 2022-01-30 15:51:13 -07:00
parent 8bdecd2058
commit a6f2453440
1 changed files with 6 additions and 4 deletions
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10
rp2040-hal/src/rom_data.rs
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@ -215,24 +215,26 @@ rom_functions! {
b"UB" fn reset_to_usb_boot(gpio_activity_pin_mask: u32, disable_interface_mask: u32) -> ();
/// Sets n bytes start at ptr to the value c and returns ptr
b"MS" unsafe fn memset(ptr: *mut u8, c: u8, n: u8) -> *mut u8;
b"MS" unsafe fn memset(ptr: *mut u8, c: u8, n: u32) -> *mut u8;
/// Sets n bytes start at ptr to the value c and returns ptr.
///
/// Note this is a slightly more efficient variant of _memset that may only
/// be used if ptr is word aligned.
b"M4" unsafe fn memset4(ptr: *mut u32, c: u8, n: u32) -> *mut u32;
// Note the datasheet does not match the actual ROM for the code here, see
// https://github.com/raspberrypi/pico-feedback/issues/217
b"S4" unsafe fn memset4(ptr: *mut u32, c: u8, n: u32) -> *mut u32;
/// Copies n bytes starting at src to dest and returns dest. The results are undefined if the
/// regions overlap.
b"MC" unsafe fn memcpy(dest: *mut u8, src: *mut u8, n: u32) -> u8;
b"MC" unsafe fn memcpy(dest: *mut u8, src: *const u8, n: u32) -> *mut u8;
/// Copies n bytes starting at src to dest and returns dest. The results are undefined if the
/// regions overlap.
///
/// Note this is a slightly more efficient variant of _memcpy that may only be
/// used if dest and src are word aligned.
b"C4" unsafe fn memcpy44(dest: *mut u32, src: *mut u32, n: u32) -> *mut u8;
b"C4" unsafe fn memcpy44(dest: *mut u32, src: *const u32, n: u32) -> *mut u8;
/// Restore all QSPI pad controls to their default state, and connect the SSI to the QSPI pads.
b"IF" unsafe fn connect_internal_flash() -> ();