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ed
2026-06-01 21:50:50 -04:00
parent 5cc30bacc6
commit 690d184acf
4 changed files with 54 additions and 216 deletions
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code/duffle/mips.h
+11 -14
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@@ -240,20 +240,17 @@ FI_ void mips_flush_icache(void) { C_(VoidFn*, codeblob_mips_flush_icache)(); }
#define clb_system "$2", "$8", "$9", "$31", "memory"
#define asm_mips_flush_icache() asm volatile( \
asm_inline( \
add_ui(rstack_ptr, rstack_ptr, -8) \
, store_word(rret_addr, rstack_ptr, 4) \
, add_ui(rret_0, rdiscard, bios_flushcache) \
, add_ui(rtmp_0, rdiscard, bios_table_addr) \
, jump_link(rtmp_0, rret_addr) \
, nop() \
, load_word(rret_addr, rstack_ptr, 4) \
, jump_reg(rret_addr) \
, add_ui(rstack_ptr, rstack_ptr, 8) \
) \
asm_clobber( clb_system ) \
)
#define asm_mips_flush_icache() asm_volatile( asm_inline( \
add_ui(rstack_ptr, rstack_ptr, -8) \
, store_word(rret_addr, rstack_ptr, 4) \
, add_ui(rret_0, rdiscard, bios_flushcache) \
, add_ui(rtmp_0, rdiscard, bios_table_addr) \
, jump_link(rtmp_0, rret_addr) \
, nop() \
, load_word(rret_addr, rstack_ptr, 4) \
, jump_reg(rret_addr) \
, add_ui(rstack_ptr, rstack_ptr, 8) \
), clb_system )
void test_mips_asm() {
asm_mips_flush_icache();