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extmod/modlwip: Remove unused include and functions.

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The lwIP includes are now port-specific.

The `sys_arch_{,un}protect` functions are not used according to line 34
of `extmod/lwip-include/lwipopts_common.h`.

Neither have been touched in nearly a decade.

Signed-off-by: Thomas Watson <twatson52@icloud.com>
This commit is contained in:
Thomas Watson 2025-08-13 12:37:23 -05:00 committed by Damien George
parent b7cfafc1ee
commit bba3542018
4 changed files with 0 additions and 95 deletions
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41
extmod/lwip-include/arch/cc.h
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@ -1,41 +0,0 @@
#ifndef MICROPY_INCLUDED_EXTMOD_LWIP_INCLUDE_ARCH_CC_H
#define MICROPY_INCLUDED_EXTMOD_LWIP_INCLUDE_ARCH_CC_H
#include <stdint.h>
// Generate lwip's internal types from stdint
typedef uint8_t u8_t;
typedef int8_t s8_t;
typedef uint16_t u16_t;
typedef int16_t s16_t;
typedef uint32_t u32_t;
typedef int32_t s32_t;
typedef u32_t mem_ptr_t;
#define U16_F "hu"
#define S16_F "hd"
#define X16_F "hx"
#define U32_F "u"
#define S32_F "d"
#define X32_F "x"
#define X8_F "02x"
#define SZT_F "u"
#define BYTE_ORDER LITTLE_ENDIAN
#define LWIP_CHKSUM_ALGORITHM 2
#include <assert.h>
#define LWIP_PLATFORM_DIAG(x)
#define LWIP_PLATFORM_ASSERT(x) { assert(1); }
//#define PACK_STRUCT_FIELD(x) x __attribute__((packed))
#define PACK_STRUCT_FIELD(x) x
#define PACK_STRUCT_STRUCT __attribute__((packed))
#define PACK_STRUCT_BEGIN
#define PACK_STRUCT_END
#endif // MICROPY_INCLUDED_EXTMOD_LWIP_INCLUDE_ARCH_CC_H

7
extmod/lwip-include/arch/perf.h
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@ -1,7 +0,0 @@
#ifndef MICROPY_INCLUDED_EXTMOD_LWIP_INCLUDE_ARCH_PERF_H
#define MICROPY_INCLUDED_EXTMOD_LWIP_INCLUDE_ARCH_PERF_H
#define PERF_START /* null definition */
#define PERF_STOP(x) /* null definition */
#endif // MICROPY_INCLUDED_EXTMOD_LWIP_INCLUDE_ARCH_PERF_H

35
extmod/lwip-include/lwipopts.h
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@ -1,35 +0,0 @@
#ifndef MICROPY_INCLUDED_EXTMOD_LWIP_INCLUDE_LWIPOPTS_H
#define MICROPY_INCLUDED_EXTMOD_LWIP_INCLUDE_LWIPOPTS_H
#include <py/mpconfig.h>
#include <py/misc.h>
#include <py/mphal.h>
// We're running without an OS for this port. We don't provide any services except light protection.
#define NO_SYS 1
#define SYS_LIGHTWEIGHT_PROT 1
#include <stdint.h>
typedef uint32_t sys_prot_t;
#define TCP_LISTEN_BACKLOG 1
// We'll put these into a proper ifdef once somebody implements an ethernet driver
#define LWIP_ARP 0
#define LWIP_ETHERNET 0
#define LWIP_DNS 1
#define LWIP_NETCONN 0
#define LWIP_SOCKET 0
#ifdef MICROPY_PY_LWIP_SLIP
#define LWIP_HAVE_SLIPIF 1
#endif
// For now, we can simply define this as a macro for the timer code. But this function isn't
// universal and other ports will need to do something else. It may be necessary to move
// things like this into a port-provided header file.
#define sys_now mp_hal_ticks_ms
#endif // MICROPY_INCLUDED_EXTMOD_LWIP_INCLUDE_LWIPOPTS_H

12
extmod/modlwip.c
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@ -1724,18 +1724,6 @@ static MP_DEFINE_CONST_OBJ_TYPE(
locals_dict, &lwip_socket_locals_dict
);
/******************************************************************************/
// Support functions for memory protection. lwIP has its own memory management
// routines for its internal structures, and since they might be called in
// interrupt handlers, they need some protection.
sys_prot_t sys_arch_protect() {
return (sys_prot_t)MICROPY_BEGIN_ATOMIC_SECTION();
}
void sys_arch_unprotect(sys_prot_t state) {
MICROPY_END_ATOMIC_SECTION((mp_uint_t)state);
}
/******************************************************************************/
// Polling callbacks for the interfaces connected to lwIP. Right now it calls
// itself a "list" but isn't; we only support a single interface.