From 83e17e29456ec9b6d45f4d9f2634eb280c6f414f Mon Sep 17 00:00:00 2001
From: stefan <stefan@s00.xyz>
Date: Wed, 19 Apr 2023 20:50:10 -0400
Subject: ticket locks

---
 sys/kern/entry.S | 69 --------------------------------------------------------
 1 file changed, 69 deletions(-)
 delete mode 100644 sys/kern/entry.S

(limited to 'sys/kern/entry.S')

diff --git a/sys/kern/entry.S b/sys/kern/entry.S
deleted file mode 100644
index 9bf72ea..0000000
--- a/sys/kern/entry.S
+++ /dev/null
@@ -1,69 +0,0 @@
-.section ".text.init"
-
-// entrypoint for boot hart(s). a0: hartid, a1: *fdt
-.globl _start
-
-
-// entrypoint for other harts. a0: hartid, a1: unused for now
-.global _mpentry 
-
-_start: 
-        /* disable interrupts and paging */ 
-        csrw       satp, zero
-        csrw       sie, zero
-        csrw       sip, zero
-
-        .option push
-        .option norelax
-        la         gp, __global_pointer$
-        .option pop
-
-        /* setup stack. 
-	 * stack grows toward lower address so sp will mark end of frame.
-	 */
-        addi       t0, a0, 1
-        li         t1, PAGE_SIZE 
-        la         sp, __stack_start
-        mul        t1, t1, t0
-        add        sp, sp, t1
-
-        /* setup thread pointer */ 
-        mv        tp, a0
-
-        /* the label _boot_hart is shared between threads. after the first atomic swap, all other harts will branch to mpentry */ 
-        li         a2, 1
-        lla        a3, _boot_hart
-        amoswap.w  a3, a2, (a3)
-        bnez       a3, _mpentry
-
-        /* clear the bss section */  
-        la         a2, __bss_start
-        la         a3, __bss_end
-1:
-        sd	   zero, (a2)
-        addi       a2, a2, __SIZEOF_POINTER__
-        blt        a2, a3, 1b 
-2:
-        call       init
-        j          _spin
-
-_mpentry:
-	/* satp = 0, sstatus.sie = 0, a0 = hartid, a1 = opaque	*/
-
-	call	 mpinit
-	/* shouldn't reach this point */
-	j 	_spin
-
-_spin:
-	wfi
-	j 	_spin
-
-.section ".data"
-_boot_hart: 
-        .word 0
-
-.section ".rodata"
-/* linker imports */
-.globl HEAP_START
-HEAP_START: .dword __heap_start
-
-- 
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