mos_dissemble.s

一个基于MMU的操作系统的实现(代码很少

     a90:	e1a03103 	mov	r3, r3, lsl #2
     a94:	e0833000 	add	r3, r3, r0
     a98:	e0833001 	add	r3, r3, r1
     a9c:	e5932000 	ldr	r2, [r3]
     aa0:	e51b3010 	ldr	r3, [fp, #-16]
     aa4:	e1520003 	cmp	r2, r3
     aa8:	da000010 	ble	0xaf0
     aac:	e59f022c 	ldr	r0, [pc, #556]	; 0xce0
     ab0:	e51b2014 	ldr	r2, [fp, #-20]
     ab4:	e3a01008 	mov	r1, #8	; 0x8
     ab8:	e1a03002 	mov	r3, r2
     abc:	e1a03303 	mov	r3, r3, lsl #6
     ac0:	e0833002 	add	r3, r3, r2
     ac4:	e1a03083 	mov	r3, r3, lsl #1
     ac8:	e0833002 	add	r3, r3, r2
     acc:	e1a03183 	mov	r3, r3, lsl #3
     ad0:	e0833002 	add	r3, r3, r2
     ad4:	e1a03103 	mov	r3, r3, lsl #2
     ad8:	e0833000 	add	r3, r3, r0
     adc:	e0833001 	add	r3, r3, r1
     ae0:	e5933000 	ldr	r3, [r3]
     ae4:	e50b3010 	str	r3, [fp, #-16]
     ae8:	e51b3014 	ldr	r3, [fp, #-20]
     aec:	e50b3018 	str	r3, [fp, #-24]
     af0:	e51b3014 	ldr	r3, [fp, #-20]
     af4:	e2833001 	add	r3, r3, #1	; 0x1
     af8:	e50b3014 	str	r3, [fp, #-20]
     afc:	eaffffc6 	b	0xa1c
     b00:	e51b3010 	ldr	r3, [fp, #-16]
     b04:	e3530000 	cmp	r3, #0	; 0x0
     b08:	0a000000 	beq	0xb10
     b0c:	ea000034 	b	0xbe4
     b10:	e3a03000 	mov	r3, #0	; 0x0
     b14:	e50b3014 	str	r3, [fp, #-20]
     b18:	e51b3014 	ldr	r3, [fp, #-20]
     b1c:	e353003e 	cmp	r3, #62	; 0x3e
     b20:	caffffbb 	bgt	0xa14
     b24:	e59f01b4 	ldr	r0, [pc, #436]	; 0xce0
     b28:	e51b2014 	ldr	r2, [fp, #-20]
     b2c:	e3a01008 	mov	r1, #8	; 0x8
     b30:	e1a03002 	mov	r3, r2
     b34:	e1a03303 	mov	r3, r3, lsl #6
     b38:	e0833002 	add	r3, r3, r2
     b3c:	e1a03083 	mov	r3, r3, lsl #1
     b40:	e0833002 	add	r3, r3, r2
     b44:	e1a03183 	mov	r3, r3, lsl #3
     b48:	e0833002 	add	r3, r3, r2
     b4c:	e1a03103 	mov	r3, r3, lsl #2
     b50:	e0833000 	add	r3, r3, r0
     b54:	e0830001 	add	r0, r3, r1
     b58:	e59fc180 	ldr	ip, [pc, #384]	; 0xce0
     b5c:	e51b2014 	ldr	r2, [fp, #-20]
     b60:	e3a01008 	mov	r1, #8	; 0x8
     b64:	e1a03002 	mov	r3, r2
     b68:	e1a03303 	mov	r3, r3, lsl #6
     b6c:	e0833002 	add	r3, r3, r2
     b70:	e1a03083 	mov	r3, r3, lsl #1
     b74:	e0833002 	add	r3, r3, r2
     b78:	e1a03183 	mov	r3, r3, lsl #3
     b7c:	e0833002 	add	r3, r3, r2
     b80:	e1a03103 	mov	r3, r3, lsl #2
     b84:	e083300c 	add	r3, r3, ip
     b88:	e0833001 	add	r3, r3, r1
     b8c:	e5933000 	ldr	r3, [r3]
     b90:	e1a0c0a3 	mov	ip, r3, lsr #1
     b94:	e59fe144 	ldr	lr, [pc, #324]	; 0xce0
     b98:	e51b2014 	ldr	r2, [fp, #-20]
     b9c:	e3a01010 	mov	r1, #16	; 0x10
     ba0:	e1a03002 	mov	r3, r2
     ba4:	e1a03303 	mov	r3, r3, lsl #6
     ba8:	e0833002 	add	r3, r3, r2
     bac:	e1a03083 	mov	r3, r3, lsl #1
     bb0:	e0833002 	add	r3, r3, r2
     bb4:	e1a03183 	mov	r3, r3, lsl #3
     bb8:	e0833002 	add	r3, r3, r2
     bbc:	e1a03103 	mov	r3, r3, lsl #2
     bc0:	e083300e 	add	r3, r3, lr
     bc4:	e0833001 	add	r3, r3, r1
     bc8:	e5933000 	ldr	r3, [r3]
     bcc:	e08c3003 	add	r3, ip, r3
     bd0:	e5803000 	str	r3, [r0]
     bd4:	e51b3014 	ldr	r3, [fp, #-20]
     bd8:	e2833001 	add	r3, r3, #1	; 0x1
     bdc:	e50b3014 	str	r3, [fp, #-20]
     be0:	eaffffcc 	b	0xb18
     be4:	e51b2018 	ldr	r2, [fp, #-24]
     be8:	e1a03002 	mov	r3, r2
     bec:	e1a03303 	mov	r3, r3, lsl #6
     bf0:	e0833002 	add	r3, r3, r2
     bf4:	e1a03083 	mov	r3, r3, lsl #1
     bf8:	e0833002 	add	r3, r3, r2
     bfc:	e1a03183 	mov	r3, r3, lsl #3
     c00:	e0833002 	add	r3, r3, r2
     c04:	e1a02103 	mov	r2, r3, lsl #2
     c08:	e59f30d0 	ldr	r3, [pc, #208]	; 0xce0
     c0c:	e0822003 	add	r2, r2, r3
     c10:	e59f30cc 	ldr	r3, [pc, #204]	; 0xce4
     c14:	e5933000 	ldr	r3, [r3]
     c18:	e1520003 	cmp	r2, r3
     c1c:	1a000000 	bne	0xc24
     c20:	ea00002c 	b	0xcd8
     c24:	e59f10b4 	ldr	r1, [pc, #180]	; 0xce0
     c28:	e51b2018 	ldr	r2, [fp, #-24]
     c2c:	e1a03002 	mov	r3, r2
     c30:	e1a03303 	mov	r3, r3, lsl #6
     c34:	e0833002 	add	r3, r3, r2
     c38:	e1a03083 	mov	r3, r3, lsl #1
     c3c:	e0833002 	add	r3, r3, r2
     c40:	e1a03183 	mov	r3, r3, lsl #3
     c44:	e0833002 	add	r3, r3, r2
     c48:	e1a03103 	mov	r3, r3, lsl #2
     c4c:	e0833001 	add	r3, r3, r1
     c50:	e5933000 	ldr	r3, [r3]
     c54:	e3530000 	cmp	r3, #0	; 0x0
     c58:	aa000000 	bge	0xc60
     c5c:	ea00001d 	b	0xcd8
     c60:	e59f307c 	ldr	r3, [pc, #124]	; 0xce4
     c64:	e5933000 	ldr	r3, [r3]
     c68:	e50b301c 	str	r3, [fp, #-28]
     c6c:	e59f1070 	ldr	r1, [pc, #112]	; 0xce4
     c70:	e51b2018 	ldr	r2, [fp, #-24]
     c74:	e1a03002 	mov	r3, r2
     c78:	e1a03303 	mov	r3, r3, lsl #6
     c7c:	e0833002 	add	r3, r3, r2
     c80:	e1a03083 	mov	r3, r3, lsl #1
     c84:	e0833002 	add	r3, r3, r2
     c88:	e1a03183 	mov	r3, r3, lsl #3
     c8c:	e0833002 	add	r3, r3, r2
     c90:	e1a02103 	mov	r2, r3, lsl #2
     c94:	e59f3044 	ldr	r3, [pc, #68]	; 0xce0
     c98:	e0823003 	add	r3, r2, r3
     c9c:	e5813000 	str	r3, [r1]
     ca0:	e51b2018 	ldr	r2, [fp, #-24]
     ca4:	e1a03002 	mov	r3, r2
     ca8:	e1a03303 	mov	r3, r3, lsl #6
     cac:	e0833002 	add	r3, r3, r2
     cb0:	e1a03083 	mov	r3, r3, lsl #1
     cb4:	e0833002 	add	r3, r3, r2
     cb8:	e1a03183 	mov	r3, r3, lsl #3
     cbc:	e0833002 	add	r3, r3, r2
     cc0:	e1a02103 	mov	r2, r3, lsl #2
     cc4:	e59f3014 	ldr	r3, [pc, #20]	; 0xce0
     cc8:	e0823003 	add	r3, r2, r3
     ccc:	e51b001c 	ldr	r0, [fp, #-28]
     cd0:	e1a01003 	mov	r1, r3
     cd4:	ebfffeab 	bl	0x788
     cd8:	e24bd00c 	sub	sp, fp, #12	; 0xc
     cdc:	e89da800 	ldmia	sp, {fp, sp, pc}
     ce0:	30005d70 	andcc	r5, r0, r0, ror sp
     ce4:	30005d6c 	andcc	r5, r0, ip, ror #26
     ce8:	e1a0c00d 	mov	ip, sp
     cec:	e92dd800 	stmdb	sp!, {fp, ip, lr, pc}
     cf0:	e24cb004 	sub	fp, ip, #4	; 0x4
     cf4:	e24dd008 	sub	sp, sp, #8	; 0x8
     cf8:	e3a03000 	mov	r3, #0	; 0x0
     cfc:	e50b3010 	str	r3, [fp, #-16]
     d00:	e3a03000 	mov	r3, #0	; 0x0
     d04:	e50b3014 	str	r3, [fp, #-20]
     d08:	e3a03001 	mov	r3, #1	; 0x1
     d0c:	e50b3010 	str	r3, [fp, #-16]
     d10:	e51b3010 	ldr	r3, [fp, #-16]
     d14:	e353003e 	cmp	r3, #62	; 0x3e
     d18:	ca000043 	bgt	0xe2c
     d1c:	e59f017c 	ldr	r0, [pc, #380]	; 0xea0
     d20:	e51b2010 	ldr	r2, [fp, #-16]
     d24:	e3a01004 	mov	r1, #4	; 0x4
     d28:	e1a03002 	mov	r3, r2
     d2c:	e1a03303 	mov	r3, r3, lsl #6
     d30:	e0833002 	add	r3, r3, r2
     d34:	e1a03083 	mov	r3, r3, lsl #1
     d38:	e0833002 	add	r3, r3, r2
     d3c:	e1a03183 	mov	r3, r3, lsl #3
     d40:	e0833002 	add	r3, r3, r2
     d44:	e1a03103 	mov	r3, r3, lsl #2
     d48:	e0833000 	add	r3, r3, r0
     d4c:	e0833001 	add	r3, r3, r1
     d50:	e5933000 	ldr	r3, [r3]
     d54:	e3530005 	cmp	r3, #5	; 0x5
     d58:	1a00002f 	bne	0xe1c
     d5c:	e59f013c 	ldr	r0, [pc, #316]	; 0xea0
     d60:	e51b2010 	ldr	r2, [fp, #-16]
     d64:	e3a0100c 	mov	r1, #12	; 0xc
     d68:	e1a03002 	mov	r3, r2
     d6c:	e1a03303 	mov	r3, r3, lsl #6
     d70:	e0833002 	add	r3, r3, r2
     d74:	e1a03083 	mov	r3, r3, lsl #1
     d78:	e0833002 	add	r3, r3, r2
     d7c:	e1a03183 	mov	r3, r3, lsl #3
     d80:	e0833002 	add	r3, r3, r2
     d84:	e1a03103 	mov	r3, r3, lsl #2
     d88:	e0833000 	add	r3, r3, r0
     d8c:	e0830001 	add	r0, r3, r1
     d90:	e59fc108 	ldr	ip, [pc, #264]	; 0xea0
     d94:	e51b2010 	ldr	r2, [fp, #-16]
     d98:	e3a0100c 	mov	r1, #12	; 0xc
     d9c:	e1a03002 	mov	r3, r2
     da0:	e1a03303 	mov	r3, r3, lsl #6
     da4:	e0833002 	add	r3, r3, r2
     da8:	e1a03083 	mov	r3, r3, lsl #1
     dac:	e0833002 	add	r3, r3, r2
     db0:	e1a03183 	mov	r3, r3, lsl #3
     db4:	e0833002 	add	r3, r3, r2
     db8:	e1a03103 	mov	r3, r3, lsl #2
     dbc:	e083300c 	add	r3, r3, ip
     dc0:	e0833001 	add	r3, r3, r1
     dc4:	e5933000 	ldr	r3, [r3]
     dc8:	e2433001 	sub	r3, r3, #1	; 0x1
     dcc:	e5803000 	str	r3, [r0]
     dd0:	e3530000 	cmp	r3, #0	; 0x0
     dd4:	1a000010 	bne	0xe1c
     dd8:	e59f00c0 	ldr	r0, [pc, #192]	; 0xea0
     ddc:	e51b2010 	ldr	r2, [fp, #-16]
     de0:	e3a01004 	mov	r1, #4	; 0x4
     de4:	e1a03002 	mov	r3, r2
     de8:	e1a03303 	mov	r3, r3, lsl #6
     dec:	e0833002 	add	r3, r3, r2
     df0:	e1a03083 	mov	r3, r3, lsl #1
     df4:	e0833002 	add	r3, r3, r2
     df8:	e1a03183 	mov	r3, r3, lsl #3
     dfc:	e0833002 	add	r3, r3, r2
     e00:	e1a03103 	mov	r3, r3, lsl #2
     e04:	e0833000 	add	r3, r3, r0
     e08:	e0832001 	add	r2, r3, r1
     e0c:	e3a03000 	mov	r3, #0	; 0x0
     e10:	e5823000 	str	r3, [r2]
     e14:	e3a03001 	mov	r3, #1	; 0x1
     e18:	e50b3014 	str	r3, [fp, #-20]
     e1c:	e51b3010 	ldr	r3, [fp, #-16]
     e20:	e2833001 	add	r3, r3, #1	; 0x1
     e24:	e50b3010 	str	r3, [fp, #-16]
     e28:	eaffffb8 	b	0xd10
     e2c:	e59f3070 	ldr	r3, [pc, #112]	; 0xea4
     e30:	e5933000 	ldr	r3, [r3]
     e34:	e5933008 	ldr	r3, [r3, #8]
     e38:	e3530000 	cmp	r3, #0	; 0x0
     e3c:	0a000006 	beq	0xe5c
     e40:	e59f305c 	ldr	r3, [pc, #92]	; 0xea4
     e44:	e5932000 	ldr	r2, [r3]
     e48:	e59f3054 	ldr	r3, [pc, #84]	; 0xea4
     e4c:	e5933000 	ldr	r3, [r3]
     e50:	e5933008 	ldr	r3, [r3, #8]
     e54:	e2433001 	sub	r3, r3, #1	; 0x1
     e58:	e5823008 	str	r3, [r2, #8]
     e5c:	e59f3040 	ldr	r3, [pc, #64]	; 0xea4
     e60:	e5933000 	ldr	r3, [r3]
     e64:	e5933004 	ldr	r3, [r3, #4]
     e68:	e3530000 	cmp	r3, #0	; 0x0
     e6c:	1a000008 	bne	0xe94
     e70:	e59f302c 	ldr	r3, [pc, #44]	; 0xea4
     e74:	e5933000 	ldr	r3, [r3]
     e78:	e5933008 	ldr	r3, [r3, #8]
     e7c:	e3530000 	cmp	r3, #0	; 0x0
     e80:	0a000003 	beq	0xe94
     e84:	e51b3014 	ldr	r3, [fp, #-20]
     e88:	e3530000 	cmp	r3, #0	; 0x0
     e8c:	1a000000 	bne	0xe94
     e90:	ea000000 	b	0xe98
     e94:	ebfffed2 	bl	0x9e4
     e98:	e24bd00c 	sub	sp, fp, #12	; 0xc
     e9c:	e89da800 	ldmia	sp, {fp, sp, pc}
     ea0:	30005d70 	andcc	r5, r0, r0, ror sp
     ea4:	30005d6c 	andcc	r5, r0, ip, ror #26
     ea8:	e1a0c00d 	mov	ip, sp
     eac:	e92dd800 	stmdb	sp!, {fp, ip, lr, pc}
     eb0:	e24cb004 	sub	fp, ip, #4	; 0x4
     eb4:	e24dd02c 	sub	sp, sp, #44	; 0x2c
     eb8:	e50b0010 	str	r0, [fp, #-16]
     ebc:	e50b1014 	str	r1, [fp, #-20]
     ec0:	e50b2018 	str	r2, [fp, #-24]
     ec4:	e50b301c 	str	r3, [fp, #-28]
     ec8:	e3a03001 	mov	r3, #1	; 0x1
     ecc:	e50b3020 	str	r3, [fp, #-32]
     ed0:	e3a03000 	mov	r3, #0	; 0x0
     ed4:	e50b302c 	str	r3, [fp, #-44]
     ed8:	e51b3020 	ldr	r3, [fp, #-32]
     edc:	e353003e 	cmp	r3, #62	; 0x3e
     ee0:	8a000177 	bhi	0x14c4
     ee4:	e59f05ec 	ldr	r0, [pc, #1516]	; 0x14d8
     ee8:	e51b2020 	ldr	r2, [fp, #-32]
     eec:	e3a01004 	mov	r1, #4	; 0x4
     ef0:	e1a03002 	mov	r3, r2
     ef4:	e1a03303 	mov	r3, r3, lsl #6
     ef8:	e0833002 	add	r3, r3, r2
     efc:	e1a03083 	mov	r3, r3, lsl #1
     f00:	e0833002 	add	r3, r3, r2
     f04:	e1a03183 	mov	r3, r3, lsl #3
     f08:	e0833002 	add	r3, r3, r2
     f0c:	e1a03103 	mov	r3, r3, lsl #2
     f10:	e0833000 	add	r3, r3, r0
     f14:	e0833001 	add	r3, r3, r1
     f18:	e5933000 	ldr	r3, [r3]
     f1c:	e3730001 	cmn	r3, #1	; 0x1
     f20:	1a000163 	bne	0x14b4
     f24:	e51b3020 	ldr	r3, [fp, #-32]
     f28:	e3530000 	cmp	r3, #0	; 0x0
     f2c:	0a000003 	beq	0xf40
     f30:	e51b3020 	ldr	r3, [fp, #-32]
     f34:	e3530017 	cmp	r3, #23	; 0x17
     f38:	8a000000 	bhi	0xf40
     f3c:	ea00000c 	b	0xf74
     f40:	e51b3020 	ldr	r3, [fp, #-32]
     f44:	e3530018 	cmp	r3, #24	; 0x18
     f48:	9a000003 	bls	0xf5c
     f4c:	e51b3020 	ldr	r3, [fp, #-32]
     f50:	e3530023 	cmp	r3, #35	; 0x23
     f54:	8a000000 	bhi	0xf5c
     f58:	ea000005 	b	0xf74
     f5c:	e51b3020 	ldr	r3, [fp, #-32]
     f60:	e353002f 	cmp	r3, #47	; 0x2f
     f64:	9a000152 	bls	0x14b4
     f68:	e51b3020 	ldr	r3, [fp, #-32]
     f6c:	e353003e 	cmp	r3, #62	; 0x3e
     f70:	8a00014f 	bhi	0x14b4
     f74:	eb0001ec 	bl	0x172c
     f78:	e51b3020 	ldr	r3, [fp, #-32]
     f7c:	e50b3024 	str	r3, [fp, #-36]
     f80:	e51b3024 	ldr	r3, [fp, #-36]
     f84:	e1a03a03 	mov	r3, r3, lsl #20
     f88:	e2433641 	sub	r3, r3, #68157440	; 0x4100000
     f8c:	e50b3030 	str	r3, [fp, #-48]
     f90:	e3a03000 	mov	r3, #0	; 0x0
     f94:	e50b3028 	str	r3, [fp, #-40]
     f98:	e51b2028 	ldr	r2, [fp, #-40]
     f9c:	e3e034ff 	mvn	r3, #-16777216	; 0xff000000
     fa0:	e243373f 	sub	r3, r3, #16515072	; 0xfc0000
     fa4:	e1520003 	cmp	r2, r3
     fa8:	8a000009 	bhi	0xfd4
     fac:	e51b3028 	ldr	r3, [fp, #-40]
     fb0:	e1a02103 	mov	r2, r3, lsl #2
     fb4:	e51b3030 	ldr	r3, [fp, #-48]
     fb8:	e0822003 	add	r2, r2, r3
     fbc:	e3a03000 	mov	r3, #0	; 0x0
     fc0:	e5823000 	str	r3, [r2]
     fc4:	e51b3028 	ldr	r3, [fp, #-40]
     fc8:	e2833001 	add	r3, r3, #1	; 0x1
     fcc:	e50b3028 	str	r3, [fp, #-40]
     fd0:	eafffff0 	b	0xf98
     fd4:	e51b0030 	ldr	r0, [fp, #-48]
     fd8:	e51b1010 	ldr	r1, [fp, #-16]
     fdc:	e51b2014 	ldr	r2, [fp, #-20]
     fe0:	ebfffcda 	bl	0x350