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Re: [PATCH v3 7/9] xen/arm64: mmu/head: Add missing code symbol annotations



On Wed, 1 May 2024, Edgar E. Iglesias wrote:
> From: "Edgar E. Iglesias" <edgar.iglesias@xxxxxxx>
> 
> Use the generic xen/linkage.h macros to annotate code symbols
> and add missing annotations.
> 
> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xxxxxxx>
> ---
>  xen/arch/arm/arm64/mmu/head.S | 28 ++++++++++++++--------------
>  1 file changed, 14 insertions(+), 14 deletions(-)
> 
> diff --git a/xen/arch/arm/arm64/mmu/head.S b/xen/arch/arm/arm64/mmu/head.S
> index fa40b696dd..7788bb95e5 100644
> --- a/xen/arch/arm/arm64/mmu/head.S
> +++ b/xen/arch/arm/arm64/mmu/head.S
> @@ -138,7 +138,7 @@
>   *
>   * Clobbers x0 - x4
>   */
> -create_page_tables:
> +FUNC_LOCAL(create_page_tables)
>          /* Prepare the page-tables for mapping Xen */
>          ldr   x0, =XEN_VIRT_START
>          create_table_entry boot_pgtable, boot_first, x0, 0, x1, x2, x3
> @@ -260,7 +260,7 @@ virtphys_clash:
>          /* Identity map clashes with boot_third, which we cannot handle yet 
> */
>          PRINT("- Unable to build boot page tables - virt and phys addresses 
> clash. -\r\n")
>          b     fail
> -ENDPROC(create_page_tables)
> +END(create_page_tables)
>  
>  /*
>   * Turn on the Data Cache and the MMU. The function will return on the 1:1
> @@ -273,7 +273,7 @@ ENDPROC(create_page_tables)
>   *
>   * Clobbers x0 - x5
>   */
> -enable_mmu:
> +FUNC_LOCAL(enable_mmu)
>          mov   x4, x0
>          mov   x5, x1
>          PRINT_ID("- Turning on paging -\r\n")
> @@ -304,7 +304,7 @@ enable_mmu:
>          PRINT_ID("- Paging turned on -\r\n")
>  
>          ret
> -ENDPROC(enable_mmu)
> +END(enable_mmu)
>  
>  /*
>   * Enable mm (turn on the data cache and the MMU) for secondary CPUs.
> @@ -316,7 +316,7 @@ ENDPROC(enable_mmu)
>   *
>   * Clobbers x0 - x6
>   */
> -ENTRY(enable_secondary_cpu_mm)
> +FUNC(enable_secondary_cpu_mm)
>          mov   x6, lr
>  
>          load_paddr x0, init_ttbr
> @@ -328,7 +328,7 @@ ENTRY(enable_secondary_cpu_mm)
>  
>          /* Return to the virtual address requested by the caller. */
>          ret
> -ENDPROC(enable_secondary_cpu_mm)
> +END(enable_secondary_cpu_mm)
>  
>  /*
>   * Enable mm (turn on the data cache and the MMU) for the boot CPU.
> @@ -340,7 +340,7 @@ ENDPROC(enable_secondary_cpu_mm)
>   *
>   * Clobbers x0 - x6
>   */
> -ENTRY(enable_boot_cpu_mm)
> +FUNC(enable_boot_cpu_mm)
>          mov   x6, lr
>  
>          bl    create_page_tables
> @@ -365,7 +365,7 @@ ENTRY(enable_boot_cpu_mm)
>           * by the caller.
>           */
>          b     remove_identity_mapping
> -ENDPROC(enable_boot_cpu_mm)
> +END(enable_boot_cpu_mm)
>  
>  /*
>   * Remove the 1:1 map from the page-tables. It is not easy to keep track
> @@ -377,7 +377,7 @@ ENDPROC(enable_boot_cpu_mm)
>   *
>   * Clobbers x0 - x1
>   */
> -remove_identity_mapping:
> +FUNC_LOCAL(remove_identity_mapping)
>          /*
>           * Find the zeroeth slot used. Remove the entry from zeroeth
>           * table if the slot is not XEN_ZEROETH_SLOT.
> @@ -419,20 +419,20 @@ identity_mapping_removed:
>          flush_xen_tlb_local
>  
>          ret
> -ENDPROC(remove_identity_mapping)
> +END(remove_identity_mapping)
>  
>  /* Fail-stop */
> -fail:   PRINT("- Boot failed -\r\n")
> +FUNC_LOCAL(fail)   PRINT("- Boot failed -\r\n")

move PRINT to newline


>  1:      wfe
>          b     1b
> -ENDPROC(fail)
> +END(fail)
>  
>  /*
>   * Switch TTBR
>   *
>   * x0    ttbr
>   */
> -ENTRY(switch_ttbr_id)
> +FUNC(switch_ttbr_id)
>          /* 1) Ensure any previous read/write have completed */
>          dsb    ish
>          isb
> @@ -464,7 +464,7 @@ ENTRY(switch_ttbr_id)
>          isb
>  
>          ret
> -ENDPROC(switch_ttbr_id)
> +END(switch_ttbr_id)
>  
>  /*
>   * Local variables:
> -- 
> 2.40.1
> 



 


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