[U-Boot] [PATCH 36/82] x86: lib: Fix types and casts for 64-bit compilation

Bin Meng bmeng.cn at gmail.com
Tue Oct 11 05:17:07 CEST 2016


Hi Simon,

On Mon, Sep 26, 2016 at 11:33 AM, Simon Glass <sjg at chromium.org> wrote:
> Fix various compiler warnings in the x86 library code.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
>  arch/x86/lib/bios.c         | 4 ++--
>  arch/x86/lib/pinctrl_ich6.c | 2 +-
>  arch/x86/lib/pirq_routing.c | 4 ++--
>  arch/x86/lib/sfi.c          | 4 ++--
>  arch/x86/lib/zimage.c       | 2 +-
>  5 files changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/arch/x86/lib/bios.c b/arch/x86/lib/bios.c
> index 9324bdb..66d7629 100644
> --- a/arch/x86/lib/bios.c
> +++ b/arch/x86/lib/bios.c
> @@ -157,7 +157,7 @@ static void setup_realmode_idt(void)
>          for (i = 0; i < 256; i++) {
>                 idts[i].cs = 0;
>                 idts[i].offset = 0x1000 + (i * __idt_handler_size);
> -               write_idt_stub((void *)((u32)idts[i].offset), i);
> +               write_idt_stub((void *)((ulong)idts[i].offset), i);
>         }
>
>         /*
> @@ -227,7 +227,7 @@ static void vbe_set_graphics(int vesa_mode, struct vbe_mode_info *mode_info)
>         mode_info->video_mode = (1 << 14) | vesa_mode;
>         vbe_get_mode_info(mode_info);
>
> -       framebuffer = (unsigned char *)mode_info->vesa.phys_base_ptr;
> +       framebuffer = (unsigned char *)(ulong)mode_info->vesa.phys_base_ptr;
>         debug("VBE: resolution:  %dx%d@%d\n",
>               le16_to_cpu(mode_info->vesa.x_resolution),
>               le16_to_cpu(mode_info->vesa.y_resolution),
> diff --git a/arch/x86/lib/pinctrl_ich6.c b/arch/x86/lib/pinctrl_ich6.c
> index 3f94cdf..fb2d294 100644
> --- a/arch/x86/lib/pinctrl_ich6.c
> +++ b/arch/x86/lib/pinctrl_ich6.c
> @@ -104,7 +104,7 @@ static int ich6_pinctrl_cfg_pin(s32 gpiobase, s32 iobase, int pin_node)
>
>         /* if iobase is present, let's configure the pad */
>         if (iobase != -1) {
> -               int iobase_addr;
> +               ulong iobase_addr;
>
>                 /*
>                  * The offset for the same pin for the IOBASE and GPIOBASE are

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>

> diff --git a/arch/x86/lib/pirq_routing.c b/arch/x86/lib/pirq_routing.c
> index a93d355..c98526d 100644
> --- a/arch/x86/lib/pirq_routing.c
> +++ b/arch/x86/lib/pirq_routing.c
> @@ -114,14 +114,14 @@ u32 copy_pirq_routing_table(u32 addr, struct irq_routing_table *rt)
>         addr = ALIGN(addr, 16);
>
>         debug("Copying Interrupt Routing Table to 0x%x\n", addr);
> -       memcpy((void *)addr, rt, rt->size);
> +       memcpy((void *)(uintptr_t)addr, rt, rt->size);
>
>         /*
>          * We do the sanity check here against the copied table after memcpy,
>          * as something might go wrong after the memcpy, which is normally
>          * due to the F segment decode is not turned on to systeam RAM.
>          */
> -       rom_rt = (struct irq_routing_table *)addr;
> +       rom_rt = (struct irq_routing_table *)(uintptr_t)addr;
>         if (rom_rt->signature != PIRQ_SIGNATURE ||
>             rom_rt->version != PIRQ_VERSION || rom_rt->size % 16) {
>                 printf("Interrupt Routing Table not valid\n");
> diff --git a/arch/x86/lib/sfi.c b/arch/x86/lib/sfi.c
> index 9564853..507e037 100644
> --- a/arch/x86/lib/sfi.c
> +++ b/arch/x86/lib/sfi.c
> @@ -38,14 +38,14 @@ static void *get_entry_start(struct table_info *tab)
>         tab->table[tab->count] = tab->entry_start;
>         tab->entry_start += sizeof(struct sfi_table_header);
>
> -       return (void *)tab->entry_start;
> +       return (void *)(uintptr_t)tab->entry_start;
>  }
>
>  static void finish_table(struct table_info *tab, const char *sig, void *entry)
>  {
>         struct sfi_table_header *hdr;
>
> -       hdr = (struct sfi_table_header *)(tab->base + tab->ptr);
> +       hdr = (struct sfi_table_header *)(uintptr_t)(tab->base + tab->ptr);
>         strcpy(hdr->sig, sig);
>         hdr->len = sizeof(*hdr) + ((ulong)entry - tab->entry_start);
>         hdr->rev = 1;
> diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c
> index 1b33c77..b6b0f2b 100644
> --- a/arch/x86/lib/zimage.c
> +++ b/arch/x86/lib/zimage.c
> @@ -165,7 +165,7 @@ struct boot_params *load_zimage(char *image, unsigned long kernel_size,
>                  * A very old kernel MUST have its real-mode code
>                  * loaded at 0x90000
>                  */
> -               if ((u32)setup_base != 0x90000) {
> +               if ((ulong)setup_base != 0x90000) {
>                         /* Copy the real-mode kernel */
>                         memmove((void *)0x90000, setup_base, setup_size);
>
> --

Can the above 3 changes merged into patch#23: x86: Use unsigned long
for address in table generation, since they are all table related
changes?

Regards,
Bin


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