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hw/mips: Use address translation helper to handle ENVP_ADDR

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It will signed extend vaddr properly.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20201215064200.28751-4-jiaxun.yang@flygoat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This commit is contained in:
Jiaxun Yang 2020-12-15 14:41:55 +08:00 committed by Philippe Mathieu-Daudé
parent 5052b6e82c
commit df055c65e4
2 changed files with 43 additions and 43 deletions
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24
hw/mips/fuloong2e.c
View File

@ -49,7 +49,8 @@
#define DEBUG_FULOONG2E_INIT
#define ENVP_ADDR 0x80002000l
#define ENVP_PADDR 0x2000
#define ENVP_VADDR cpu_mips_phys_to_kseg0(NULL, ENVP_PADDR)
#define ENVP_NB_ENTRIES 16
#define ENVP_ENTRY_SIZE 256
@ -100,7 +101,7 @@ static void GCC_FMT_ATTR(3, 4) prom_set(uint32_t *prom_buf, int index,
}
table_addr = sizeof(int32_t) * ENVP_NB_ENTRIES + index * ENVP_ENTRY_SIZE;
prom_buf[index] = tswap32(ENVP_ADDR + table_addr);
prom_buf[index] = tswap32(ENVP_VADDR + table_addr);
va_start(ap, string);
vsnprintf((char *)prom_buf + table_addr, ENVP_ENTRY_SIZE, string, ap);
@ -172,8 +173,7 @@ static uint64_t load_kernel(CPUMIPSState *env)
prom_set(prom_buf, index++, "modetty0=38400n8r");
prom_set(prom_buf, index++, NULL);
rom_add_blob_fixed("prom", prom_buf, prom_size,
cpu_mips_kseg0_to_phys(NULL, ENVP_ADDR));
rom_add_blob_fixed("prom", prom_buf, prom_size, ENVP_PADDR);
g_free(prom_buf);
return kernel_entry;
@ -199,14 +199,14 @@ static void write_bootloader(CPUMIPSState *env, uint8_t *base,
stl_p(p++, 0x3c040000);
/* ori a0, a0, 2 */
stl_p(p++, 0x34840002);
/* lui a1, high(ENVP_ADDR) */
stl_p(p++, 0x3c050000 | ((ENVP_ADDR >> 16) & 0xffff));
/* ori a1, a0, low(ENVP_ADDR) */
stl_p(p++, 0x34a50000 | (ENVP_ADDR & 0xffff));
/* lui a2, high(ENVP_ADDR + 8) */
stl_p(p++, 0x3c060000 | (((ENVP_ADDR + 8) >> 16) & 0xffff));
/* ori a2, a2, low(ENVP_ADDR + 8) */
stl_p(p++, 0x34c60000 | ((ENVP_ADDR + 8) & 0xffff));
/* lui a1, high(ENVP_VADDR) */
stl_p(p++, 0x3c050000 | ((ENVP_VADDR >> 16) & 0xffff));
/* ori a1, a0, low(ENVP_VADDR) */
stl_p(p++, 0x34a50000 | (ENVP_VADDR & 0xffff));
/* lui a2, high(ENVP_VADDR + 8) */
stl_p(p++, 0x3c060000 | (((ENVP_VADDR + 8) >> 16) & 0xffff));
/* ori a2, a2, low(ENVP_VADDR + 8) */
stl_p(p++, 0x34c60000 | ((ENVP_VADDR + 8) & 0xffff));
/* lui a3, high(env->ram_size) */
stl_p(p++, 0x3c070000 | (loaderparams.ram_size >> 16));
/* ori a3, a3, low(env->ram_size) */

62
hw/mips/malta.c
View File

@ -62,7 +62,8 @@
#include "hw/mips/cps.h"
#include "hw/qdev-clock.h"
#define ENVP_ADDR 0x80002000l
#define ENVP_PADDR 0x2000
#define ENVP_VADDR cpu_mips_phys_to_kseg0(NULL, ENVP_PADDR)
#define ENVP_NB_ENTRIES 16
#define ENVP_ENTRY_SIZE 256
@ -656,29 +657,29 @@ static void write_bootloader_nanomips(uint8_t *base, uint64_t run_addr,
/* li a0,2 */
}
stw_p(p++, 0xe3a0 | NM_HI1(ENVP_ADDR - 64));
stw_p(p++, 0xe3a0 | NM_HI1(ENVP_VADDR - 64));
stw_p(p++, NM_HI2(ENVP_ADDR - 64));
/* lui sp,%hi(ENVP_ADDR - 64) */
stw_p(p++, NM_HI2(ENVP_VADDR - 64));
/* lui sp,%hi(ENVP_VADDR - 64) */
stw_p(p++, 0x83bd); stw_p(p++, NM_LO(ENVP_ADDR - 64));
/* ori sp,sp,%lo(ENVP_ADDR - 64) */
stw_p(p++, 0x83bd); stw_p(p++, NM_LO(ENVP_VADDR - 64));
/* ori sp,sp,%lo(ENVP_VADDR - 64) */
stw_p(p++, 0xe0a0 | NM_HI1(ENVP_ADDR));
stw_p(p++, 0xe0a0 | NM_HI1(ENVP_VADDR));
stw_p(p++, NM_HI2(ENVP_ADDR));
/* lui a1,%hi(ENVP_ADDR) */
stw_p(p++, NM_HI2(ENVP_VADDR));
/* lui a1,%hi(ENVP_VADDR) */
stw_p(p++, 0x80a5); stw_p(p++, NM_LO(ENVP_ADDR));
/* ori a1,a1,%lo(ENVP_ADDR) */
stw_p(p++, 0x80a5); stw_p(p++, NM_LO(ENVP_VADDR));
/* ori a1,a1,%lo(ENVP_VADDR) */
stw_p(p++, 0xe0c0 | NM_HI1(ENVP_ADDR + 8));
stw_p(p++, 0xe0c0 | NM_HI1(ENVP_VADDR + 8));
stw_p(p++, NM_HI2(ENVP_ADDR + 8));
/* lui a2,%hi(ENVP_ADDR + 8) */
stw_p(p++, NM_HI2(ENVP_VADDR + 8));
/* lui a2,%hi(ENVP_VADDR + 8) */
stw_p(p++, 0x80c6); stw_p(p++, NM_LO(ENVP_ADDR + 8));
/* ori a2,a2,%lo(ENVP_ADDR + 8) */
stw_p(p++, 0x80c6); stw_p(p++, NM_LO(ENVP_VADDR + 8));
/* ori a2,a2,%lo(ENVP_VADDR + 8) */
stw_p(p++, 0xe0e0 | NM_HI1(loaderparams.ram_low_size));
@ -878,18 +879,18 @@ static void write_bootloader(uint8_t *base, uint64_t run_addr,
stl_p(p++, 0x24040002); /* addiu a0, zero, 2 */
}
/* lui sp, high(ENVP_ADDR) */
stl_p(p++, 0x3c1d0000 | (((ENVP_ADDR - 64) >> 16) & 0xffff));
/* ori sp, sp, low(ENVP_ADDR) */
stl_p(p++, 0x37bd0000 | ((ENVP_ADDR - 64) & 0xffff));
/* lui a1, high(ENVP_ADDR) */
stl_p(p++, 0x3c050000 | ((ENVP_ADDR >> 16) & 0xffff));
/* ori a1, a1, low(ENVP_ADDR) */
stl_p(p++, 0x34a50000 | (ENVP_ADDR & 0xffff));
/* lui a2, high(ENVP_ADDR + 8) */
stl_p(p++, 0x3c060000 | (((ENVP_ADDR + 8) >> 16) & 0xffff));
/* ori a2, a2, low(ENVP_ADDR + 8) */
stl_p(p++, 0x34c60000 | ((ENVP_ADDR + 8) & 0xffff));
/* lui sp, high(ENVP_VADDR) */
stl_p(p++, 0x3c1d0000 | (((ENVP_VADDR - 64) >> 16) & 0xffff));
/* ori sp, sp, low(ENVP_VADDR) */
stl_p(p++, 0x37bd0000 | ((ENVP_VADDR - 64) & 0xffff));
/* lui a1, high(ENVP_VADDR) */
stl_p(p++, 0x3c050000 | ((ENVP_VADDR >> 16) & 0xffff));
/* ori a1, a1, low(ENVP_VADDR) */
stl_p(p++, 0x34a50000 | (ENVP_VADDR & 0xffff));
/* lui a2, high(ENVP_VADDR + 8) */
stl_p(p++, 0x3c060000 | (((ENVP_VADDR + 8) >> 16) & 0xffff));
/* ori a2, a2, low(ENVP_VADDR + 8) */
stl_p(p++, 0x34c60000 | ((ENVP_VADDR + 8) & 0xffff));
/* lui a3, high(ram_low_size) */
stl_p(p++, 0x3c070000 | (loaderparams.ram_low_size >> 16));
/* ori a3, a3, low(ram_low_size) */
@ -1015,7 +1016,7 @@ static void GCC_FMT_ATTR(3, 4) prom_set(uint32_t *prom_buf, int index,
}
table_addr = sizeof(uint32_t) * ENVP_NB_ENTRIES + index * ENVP_ENTRY_SIZE;
prom_buf[index] = tswap32(ENVP_ADDR + table_addr);
prom_buf[index] = tswap32(ENVP_VADDR + table_addr);
va_start(ap, string);
vsnprintf((char *)prom_buf + table_addr, ENVP_ENTRY_SIZE, string, ap);
@ -1122,8 +1123,7 @@ static uint64_t load_kernel(void)
prom_set(prom_buf, prom_index++, "38400n8r");
prom_set(prom_buf, prom_index++, NULL);
rom_add_blob_fixed("prom", prom_buf, prom_size,
cpu_mips_kseg0_to_phys(NULL, ENVP_ADDR));
rom_add_blob_fixed("prom", prom_buf, prom_size, ENVP_PADDR);
g_free(prom_buf);
return kernel_entry;