readme updates

pull/84/head
Andre Richter 4 years ago
parent bd16dfe4b3
commit 537f8b0386
No known key found for this signature in database
GPG Key ID: 2116C1AB102F615E

@ -153,29 +153,29 @@ $ make objdump
[...]
Disassembly of section .text:
0000000000080000 _start:
80000: mrs x8, MPIDR_EL1
80004: tst x8, #0x3
80008: b.ne #0x10 <_start+0x18>
8000c: mrs x8, CurrentEL
80010: cmp w8, #0x8
80014: b.eq #0xc <_start+0x20>
80018: wfe
8001c: b #-0x4 <_start+0x18>
80020: mov x8, xzr
80024: mov w9, #0x3
80028: msr CNTHCTL_EL2, x9
8002c: msr CNTVOFF_EL2, x8
80030: adrp x8, #0x0
80034: mov w10, #-0x80000000
80038: mov w11, #0x3c5
8003c: mov w12, #0x80000
80040: msr HCR_EL2, x10
80044: msr SPSR_EL2, x11
80048: add x8, x8, #0xda0
8004c: msr ELR_EL2, x8
80050: msr SP_EL1, x12
80054: eret
0000000000080000 <_start>:
80000: d53800a8 mrs x8, mpidr_el1
80004: f240051f tst x8, #0x3
80008: 54000081 b.ne 80018 <_start+0x18>
8000c: d5384248 mrs x8, currentel
80010: f100211f cmp x8, #0x8
80014: 54000060 b.eq 80020 <_start+0x20>
80018: d503205f wfe
8001c: 17ffffff b 80018 <_start+0x18>
80020: aa1f03e8 mov x8, xzr
80024: 52800069 mov w9, #0x3
80028: d51ce109 msr cnthctl_el2, x9
8002c: d51ce068 msr cntvoff_el2, x8
80030: 90000008 adrp x8, 80000 <_start>
80034: 52b0000a mov w10, #0x80000000
80038: 528078ab mov w11, #0x3c5
8003c: 52a0010c mov w12, #0x80000
80040: d51c110a msr hcr_el2, x10
80044: d51c400b msr spsr_el2, x11
80048: 91374108 add x8, x8, #0xdd0
8004c: d51c4028 msr elr_el2, x8
80050: d51c410c msr sp_el1, x12
80054: d69f03e0 eret
```
Looks good! Thanks zero-overhead abstractions in the [cortex-a] crate! :heart_eyes:

@ -249,11 +249,11 @@ data sheet. Looking at the generated code, we can see that despite all the type-
abstractions, it boils down to two assembly instructions:
```text
00000000000815e0 <kernel::memory::mmu::arch_mmu::MemoryManagementUnit as kernel::memory::mmu::interface::MMU>::init::hed32b31a58c93b32:
0000000000081660 <<kernel::memory::mmu::arch_mmu::MemoryManagementUnit as kernel::memory::mmu::interface::MMU>::init>:
...
8161c: mov w8, #0xff04
816bc: 529fe088 mov w8, #0xff04
...
81644: msr MAIR_EL1, x8
816c4: d518a208 msr mair_el1, x8
```
## Test it

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