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+<style>

+body { margin: 0; }

+pre { color: #DCDCCC; background: #3F3F3F; font-size: 22px; padding: 0.4em; }

+.lifetime { color: #DFAF8F; font-style: italic; }

+.label { color: #DFAF8F; font-style: italic; }

+.comment { color: #7F9F7F; }

+.documentation { color: #629755; }

+.intra_doc_link { font-style: italic; }

+.injected { opacity: 0.65 ; }

+.struct, .enum { color: #7CB8BB; }

+.enum_variant { color: #BDE0F3; }

+.string_literal { color: #CC9393; }

+.field { color: #94BFF3; }

+.function { color: #93E0E3; }

+.function.unsafe { color: #BC8383; }

+.trait.unsafe { color: #BC8383; }

+.operator.unsafe { color: #BC8383; }

+.mutable.unsafe { color: #BC8383; text-decoration: underline; }

+.keyword.unsafe { color: #BC8383; font-weight: bold; }

+.macro.unsafe { color: #BC8383; }

+.parameter { color: #94BFF3; }

+.text { color: #DCDCCC; }

+.type { color: #7CB8BB; }

+.builtin_type { color: #8CD0D3; }

+.type_param { color: #DFAF8F; }

+.attribute { color: #94BFF3; }

+.numeric_literal { color: #BFEBBF; }

+.bool_literal { color: #BFE6EB; }

+.macro { color: #94BFF3; }

+.proc_macro { color: #94BFF3; text-decoration: underline; }

+.derive { color: #94BFF3; font-style: italic; }

+.module { color: #AFD8AF; }

+.value_param { color: #DCDCCC; }

+.variable { color: #DCDCCC; }

+.format_specifier { color: #CC696B; }

+.mutable { text-decoration: underline; }

+.escape_sequence { color: #94BFF3; }

+.keyword { color: #F0DFAF; font-weight: bold; }

+.control { font-style: italic; }

+.reference { font-style: italic; font-weight: bold; }

+.const { font-weight: bolder; }

+.invalid_escape_sequence { color: #FC5555; text-decoration: wavy underline; }

+.unresolved_reference { color: #FC5555; text-decoration: wavy underline; }

+</style>

+<pre><code>fn main() {

+ unsafe {

+ let foo = 1;

+ let mut o = 0;

+ core::arch::asm!(

+ "%input = OpLoad _ {0}",

+ concat!("%result = ", "bar", " _ %input"),

+ "OpStore {1} %result",

+ in(reg) &foo,

+ in(reg) &mut o,

+ );

+ let thread_id: usize;

+ mov {0}, gs:[0x30]

+ mov {0}, [{0}+0x48]

+ ", out(reg) thread_id, options(pure, readonly, nostack));

+ static UNMAP_BASE: usize;

+ const MEM_RELEASE: usize;

+ static VirtualFree: usize;

+ const OffPtr: usize;

+ const OffFn: usize;

+ push {free_type}

+ push {free_size}

+ push {base}

+ mov eax, fs:[30h]

+ mov eax, [eax+8h]

+ add eax, {off_fn}

+ mov [eax-{off_fn}+{off_ptr}], eax

+ push eax

+ jmp {virtual_free}

+ ",

+ off_ptr = const OffPtr,

+ off_fn = const OffFn,

+ free_size = const 0,

+ free_type = const MEM_RELEASE,

+ virtual_free = sym VirtualFree,

+ base = sym UNMAP_BASE,

+ options(noreturn),

+ );

+ }

+}

+// taken from https://github.com/rust-embedded/cortex-m/blob/47921b51f8b960344fcfa1255a50a0d19efcde6d/cortex-m/src/asm.rs#L254-L274

+#[inline]

+pub unsafe fn bootstrap(msp: *const u32, rv: *const u32) -> ! {

+ // Ensure thumb mode is set.

+ let rv = (rv as u32) | 1;

+ let msp = msp as u32;

+ "mrs {tmp}, CONTROL",

+ "bics {tmp}, {spsel}",

+ "msr CONTROL, {tmp}",

+ "isb",

+ "msr MSP, {msp}",

+ "bx {rv}",

+ // `out(reg) _` is not permitted in a `noreturn` asm! call,

+ // so instead use `in(reg) 0` and don't restore it afterwards.

+ tmp = in(reg) 0,

+ spsel = in(reg) 2,

+ msp = in(reg) msp,

+ rv = in(reg) rv,

+ options(noreturn, nomem, nostack),

+ );

+}</code></pre> \ No newline at end of file