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Re: [RFC PATCH 22/35] hw/m68k/mcf520x: Emit warning when old code is used



Am Mon,  8 Jun 2020 18:00:31 +0200
schrieb Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>:

> This code hasn't been QOM'ified yet. Warn the user.
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>
> ---
>  hw/m68k/mcf5206.c | 5 +++++
>  hw/m68k/mcf5208.c | 3 +++
>  2 files changed, 8 insertions(+)
> 
> diff --git a/hw/m68k/mcf5206.c b/hw/m68k/mcf5206.c
> index a2fef04f8e..ec0d176674 100644
> --- a/hw/m68k/mcf5206.c
> +++ b/hw/m68k/mcf5206.c
> @@ -16,6 +16,7 @@
>  #include "qemu/timer.h"
>  #include "hw/ptimer.h"
>  #include "sysemu/sysemu.h"
> +#include "hw/qdev-deprecated.h"
>  
>  /* General purpose timer module.  */
>  typedef struct {
> @@ -144,6 +145,8 @@ static m5206_timer_state
> *m5206_timer_init(qemu_irq irq) {
>      m5206_timer_state *s;
>  
> +    qdev_warn_deprecated_function_used();
> +
>      s = g_new0(m5206_timer_state, 1);
>      s->timer = ptimer_init(m5206_timer_trigger, s,
> PTIMER_POLICY_DEFAULT); s->irq = irq;
> @@ -566,6 +569,8 @@ qemu_irq *mcf5206_init(MemoryRegion *sysmem,
> uint32_t base, M68kCPU *cpu) m5206_mbar_state *s;
>      qemu_irq *pic;
>  
> +    qdev_warn_deprecated_function_used();
> +
>      s = g_new0(m5206_mbar_state, 1);

Ok, it's quite obvious what you refer to here...

>      memory_region_init_io(&s->iomem, NULL, &m5206_mbar_ops, s,
> diff --git a/hw/m68k/mcf5208.c b/hw/m68k/mcf5208.c
> index 2ab9701ad6..72627f6833 100644
> --- a/hw/m68k/mcf5208.c
> +++ b/hw/m68k/mcf5208.c
> @@ -26,6 +26,7 @@
>  #include "hw/sysbus.h"
>  #include "elf.h"
>  #include "exec/address-spaces.h"
> +#include "hw/qdev-deprecated.h"
>  
>  #define SYS_FREQ 166666666
>  
> @@ -191,6 +192,8 @@ static void mcf5208_sys_init(MemoryRegion
> *address_space, qemu_irq *pic) m5208_timer_state *s;
>      int i;
>  
> +    qdev_warn_deprecated_function_used();
> +
>      /* SDRAMC.  */
>      memory_region_init_io(iomem, NULL, &m5208_sys_ops, NULL,
> "m5208-sys", 0x00004000); memory_region_add_subregion(address_space,
> 0xfc0a8000, iomem);

... but it is not so obvious what you refer to here. I think that new
function should maybe have a "char *what" parameter that contains the
name of the struct you refer to. Or at least add a comment in front of
the function with a short description?

 Thomas



 


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